- x2go-user - X2Go ListServ

OS X and proxy server option - can't connect
by Madog 07 Oct '13

07 Oct '13

Hi All: I am using the proxy server option on x2go, and have gotten it to work on Windows and Debian, but not OS X and hope to get some help. In my tests: - I use the same server, same ssh keys etc. and connect from Windows and Linux (Squeeze) - from a command prompt on OS X, I can connect by issuing: ssh -X -A -t externaluser@externalIP ssh -A -X internaluser@internalIP - bash is the default shell on my Mac - however, when we try to connect via the x2go GUI, it gets stuck saying "Connecting" and goes no further until I close the session (for what it's worth, it's not a "forced quit" so I don't think the session has crashed, just won't connect). FYI - on linux, on the "client", I issue the following before trying to connect the first time on both keys and have tried this on OS X as well with "no joy": NewUserVar=newuser PathVar=/home/newuser/.ssh/newuserfolder chmod go-w /home/$NewUserVar chmod 700 /home/$NewUserVar/.ssh chmod 600 $PathVar/id_rsa ssh-add $PathVar/id_rsa Any suggestions? Has anyone else had this issue, figured it out? Thanks!

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connection problem on Ubuntu 12.04
by Robert Lefebvre 06 Oct '13

06 Oct '13

Hi all, I have a fresh install of ubuntu 12.04 where I installed x2go server. I have a laptop running Lubuntu 12.04 where I installed the client. I can ping the server from the client but cannot connect. The only error message I get is "Connection refused". I've re-installed both server and client a couple of times now. Help please! Thanks Robert -- BungeeBones.com - A B2B Link Exchange - Free Links in limited locations - human edited and reviewed - Networked online advertising business opportunities available through our free, distributed web directory script

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path of shared folder
by Gregor Burck 04 Oct '13

04 Oct '13

Hi, when I connect from one linux client (KDE) to another (KDE), where could I find the shared folder? Bye Gregor

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Re: [X2Go-User] Q: regarding calling script or binary on login
by Mike Gabriel 04 Oct '13

04 Oct '13

Hi Ted, On Mi 02 Okt 2013 23:09:52 CEST, Ted Barnes wrote: > I realize this may be getting beyond an "x2go" question.....but > based on our approach, would you suggest I do some more research on > pam? Based on your description: make your encfs home folders work with SSH and I am pretty sure they will work with X2Go. And yes: PAM would be my approach to take. > Thanks Mike - Welcome! Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Re: [X2Go-User] Q: regarding calling script or binary on login
by Mike Gabriel 02 Oct '13

02 Oct '13

Hi Ted, On Mi 02 Okt 2013 02:44:42 CEST, Ted Barnes wrote: > Am trying to launch a script at login to mount an encrypted > partition. I've been trying the option to place a script and/or > commands in /usr/lib/x2go/extensions/post-start.d/scriptname.sh. I > can get this to work, but want to figure out a way to keep the > password for the mount hidden. > > Q: if I compile the script with shc, can I call a binary using the > /usr/lib/x2go/extensions/post-start.d/ approach? It appears right > now that the compiled script/binary can only be started as root, and > x2go seems to call scripts as the user logging in. > > Q: alternatively, if I put one script in > /usr/lib/x2go/extensions/post-start.d/ that calls another that > contains the mount command with the password, is there a way to make > the called script callable from the user login but also not > "viewable" by the user. I've tried things like "chmod 711" but the > script's content either remain visible if it executes or the > script's content can't can't be seen but it doesn't execute. Can't this be handled by PAM (e.g. pam_mount [1]) somehow??? Mike [1] http://www.novell.com/coolsolutions/feature/15354.html -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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x2gobroker on debian wheeyz: syntax error
by Mathias Ewald 01 Oct '13

01 Oct '13

Hi, I am trying to set up x2go broker just for testing and found out that opening https://myip:4430 or https://myip:4430/plain/zeroconf both shows this error message in apache's error.log: [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] mod_wsgi (pid=16873, process='x2gobroker', application='localhost|'): Failed to parse WSGI script file '/usr/sbin/x2gobroker'. [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] mod_wsgi (pid=16873): Exception occurred processing WSGI script '/usr/sbin/x2gobroker'. [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] File "/usr/sbin/x2gobroker", line 146 [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] except socket.error, e: [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] ^ [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] SyntaxError: invalid syntax My python is weak at best, so I though I drop you mail about this. OS: Debian Wheezy root@termsrv:~# dpkg -l | grep x2go ii cups-x2go 3.0.0.4-0~62~raring1 all Virtual X2Go printer for CUPS ii pinentry-x2go 0.7.5.6-0~45~raring1 amd64 Qt4-based PIN or pass-phrase entry dialog for x2goclient ii python-x2go 0.4.0.8-0~1078~raring1 all Python module providing X2Go client API ii python-x2gobroker 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (Python modules) ii x2goagent 2:3.5.0.21-0~358~ubuntu13.04.1 all X2Go agent ii x2gobroker 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (executable) ii x2gobroker-agent 0.0.2.3-0~429~raring1 amd64 X2Go http(s) based session broker (common files) ii x2gobroker-authservice 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (PAM authentication service) ii x2gobroker-daemon 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (daemon) ii x2gobroker-wsgi 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (CGI) ii x2gocdmanager 1.1.0.0-0~426~raring1 amd64 clientside daemon enabling automatic CD-Rom mounting ii x2goclient 4.0.1.1-0~427~ubuntu13.04.1 amd64 X2Go Client application (Qt4) ii x2godesktopsharing 3.1.1.0-0~104~raring1 amd64 share X2go desktops with other users (via shadow sessions) ii x2goplugin 4.0.1.1-0~427~ubuntu13.04.1 amd64 X2Go Client (Qt4) as browser plugin ii x2goserver 4.0.1.6-0~712~raring1 amd64 X2Go server daemon scripts ii x2goserver-extensions 4.0.1.6-0~712~raring1 all X2Go server daemon scripts (extensions) ii x2goserver-printing 4.0.1.6-0~712~raring1 all X2Go server daemon scripts (printing) ii x2goserver-xsession 4.0.1.6-0~712~raring1 all X2Go server daemon scripts (Xsession runner) ii x2gosmartcardrules 1.1.0.0-0~426~raring1 all UDEV rules for smartcard readers ii x2gousbmount 1.1.0.0-0~426~raring1 all clientside usb mass-storage device mounting root@termsrv:~# cheers Mathias

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x2gobroker on debian wheeyz: syntax error
by Mathias Ewald 01 Oct '13

01 Oct '13

Hi, I am trying to set up x2go broker just for testing and found out that opening https://myip:4430 or https://myip:4430/plain/zeroconf both shows this error message in apache's error.log: [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] mod_wsgi (pid=16873, process='x2gobroker', application='localhost|'): Failed to parse WSGI script file '/usr/sbin/x2gobroker'. [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] mod_wsgi (pid=16873): Exception occurred processing WSGI script '/usr/sbin/x2gobroker'. [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] File "/usr/sbin/x2gobroker", line 146 [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] except socket.error, e: [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] ^ [Tue Oct 01 14:18:30 2013] [error] [client 87.151.247.206] SyntaxError: invalid syntax My python is weak at best, so I though I drop you mail about this. OS: Debian Wheezy root@termsrv:~# dpkg -l | grep x2go ii cups-x2go 3.0.0.4-0~62~raring1 all Virtual X2Go printer for CUPS ii pinentry-x2go 0.7.5.6-0~45~raring1 amd64 Qt4-based PIN or pass-phrase entry dialog for x2goclient ii python-x2go 0.4.0.8-0~1078~raring1 all Python module providing X2Go client API ii python-x2gobroker 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (Python modules) ii x2goagent 2:3.5.0.21-0~358~ubuntu13.04.1 all X2Go agent ii x2gobroker 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (executable) ii x2gobroker-agent 0.0.2.3-0~429~raring1 amd64 X2Go http(s) based session broker (common files) ii x2gobroker-authservice 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (PAM authentication service) ii x2gobroker-daemon 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (daemon) ii x2gobroker-wsgi 0.0.2.3-0~429~raring1 all X2Go http(s) based session broker (CGI) ii x2gocdmanager 1.1.0.0-0~426~raring1 amd64 clientside daemon enabling automatic CD-Rom mounting ii x2goclient 4.0.1.1-0~427~ubuntu13.04.1 amd64 X2Go Client application (Qt4) ii x2godesktopsharing 3.1.1.0-0~104~raring1 amd64 share X2go desktops with other users (via shadow sessions) ii x2goplugin 4.0.1.1-0~427~ubuntu13.04.1 amd64 X2Go Client (Qt4) as browser plugin ii x2goserver 4.0.1.6-0~712~raring1 amd64 X2Go server daemon scripts ii x2goserver-extensions 4.0.1.6-0~712~raring1 all X2Go server daemon scripts (extensions) ii x2goserver-printing 4.0.1.6-0~712~raring1 all X2Go server daemon scripts (printing) ii x2goserver-xsession 4.0.1.6-0~712~raring1 all X2Go server daemon scripts (Xsession runner) ii x2gosmartcardrules 1.1.0.0-0~426~raring1 all UDEV rules for smartcard readers ii x2gousbmount 1.1.0.0-0~426~raring1 all clientside usb mass-storage device mounting root@termsrv:~# cheers Mathias

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Big screen problem
by Timo 30 Sep '13

30 Sep '13

Dear x2go-user, I bought a big 2560x1440 screen (big in my world). Remote system have a 1920x1200 screen. I tried to go full screen but noticed that I can't change the remote desktop resolution to more than 1920x1200. So I can't really go full screen. Is there something I haven't noticed? Where does that limit come from? Is it really the size of the remote physical screen or just coincidentally the same geometry? Now, that I'm practically forced to work in a window, I'm really missing a feature like there is in VirtualBox: You can grab mouse and keyboard into the virtual desktop. I'm mostly missing ALT-TAB functionality inside the remote desktop window. I wish that some day someone have the time and interest to code such a feature. Despite of those little annoyances X2Go have served me very nicely quite a long time now - thanks. -- Timo

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Installing x2go client on Fedora 18
by Rodney Sparapani 26 Sep '13

26 Sep '13

Hi Gang: I spent several hours over the last couple of days (successfully!!) installing x2go on Fedora 18 based on the tips provided at wiki.x2go.org/doku.php/doc:installation:x2goclient For whatever reason, I needed to install a lot more packages. But, first, one of the file names has changed, i.e. wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… Here are the additional packages... wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… yum install libgnutls28-3.0.21-1-mdv2012.0.i586.rpm libcups2-1.5.3-2-mdv2012.0.i586.rpm libldap2.4_2-2.4.31-1-mdv2012.0.i586.rpm libopenssl1.0.0-1.0.1c-1-mdv2012.0.i586.rpm wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… wget ftp://ftp.pbone.net/mirror/carroll.cac.psu.edu/pub/linux/distributions/mand… yum install libqtcore4-4.8.2-2-mdv2012.0.i586.rpm libqtgui4-4.8.2-2-mdv2012.0.i586.rpm libqtnetwork4-4.8.2-2-mdv2012.0.i586.rpm libqtsvg4-4.8.2-2-mdv2012.0.i586.rpm Everything works so far. This is a new laptop and there is one error that pops up. I'm sure this is something that I have done (or not done), but I see: Can't read host rsa key:/etc/ssh/ssh_host_key_rsa_key.pub I guess I need to generate this with ssh-keygen, correct? However, after looking at the man page, I can't seem to figure this out. Is this related to Certificates? Any help will be appreciated. -- Rodney Sparapani, PhD Manager of Statistical & Computational Operations Center for Patient Care and Outcomes Research (PCOR) Medical College of Wisconsin (MCW), Milwaukee, USA http://www.linkedin.com/in/rodneysparapani

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No RHEL5 x2goclient?
by Kermit Short 25 Sep '13

25 Sep '13

Since I can't install the x2goserver on RHEL5, I was hoping to at least install a client that will get some users to RHEL6/Ubuntu machines. When I try to yum install x2goclient I get a message that no x2goclient package exists. Sure enough when I browse the repo, there is no x2goclient package. I can't even install pyhoca-gui because it needs things from x2goclient (per the README at least). Anyone have any alternatives? -Kermit Short

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Re: [X2Go-User] X2Go-User Digest, Vol 37, Issue 12
by Nigra Truo 24 Sep '13

24 Sep '13

> I seriously doubt that it would work without any changes. X2go depends on a > lot of X specific black magic, amongst others are nxproxy, which is a way > to compress the X protocol. Android does not run X (as far as I know), so > Android has had X for some time now: https://play.google.com/store/apps/details?id=au.com.darkside.XServer&hl=en nxproxy is not yet there as far as I know. Yes, it might be a lot of work, but a worthy one: lots and lots of devices come with Android. I have wished so many times that I could use it over Android to control my servers. @Mike: Isn't there a functionality that lets you run an quasi app on a webserver that then allows you to use a browser to emulate an X2goclient? I have heard that you did such functionality and that it is finished. That would be the solution: just run a apache webserver and then on Android connect to the webserver with a browser and use X2goclient like this. > you would run into problems there already. Next up would be code to control > when to show an on-screen keyboard, and translating touches on the screen > A hardware keyboard would be a must (bluetooth), as otherwise you will lose all screen real estate to the keyboard. But talking about Android also means Tablets and on a 10 inch Tablet, X2go would be a totally wonderful thing to use. Considering how many devices exist that run Android, the "market" would be huge. You may even be able to charge for the app (like 1 or 2 dollars) as the X2goserver is already free and totally amazing to use. Often, Android users are convenience users, lazier than PC or Laptop users and will preferably shell out some cash before looking around for a free alternative that needs more work. And I would definitely buy it for 1 or 2 dollars, it would be well worth it. (providing a free trial version that is limited to 5 minutes for a session so people can try it out would work great) > to mouse input. To sum it up, I think it would require a lot of work to get > x2go to an even remotely usable state on Android. > You can also connect a mouse to an Android tablet/smartphone by the way. My Gingerbread (2.3) Ice cream Sandwich (4.0) and Jelly Bean (4.2) Android all supported plugging in a mouse and keyboard via USB connector, it just treats it as HID, and simulates it, so you can use the cursor keys to more from app icon to app icon or ESC to go back, as well as getting a mouse pointer to click on stuff. I was amazed how dynamic this works. Anyway, for the short term, the webserver solution should work easier. Regards, Markus

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build x2go client for android
by Lucian Apetre 20 Sep '13

20 Sep '13

Hello, I am new to x2go and i was interested if i can build it on Android. I saw that there are Linu, ios and win client versions but none on Android. Thank you

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Re: [X2Go-User] Session resume fails with AFS home directories
by Sebastian Flothow 18 Sep '13

18 Sep '13

I did some further testing, and the resume failures are indeed due to missing AFS tokens. When suspending a session, the SSH connection is closed, sshd will call pam_close_session(), which means that pam_krb5 and pam_afs_session will delete the user's ticket/token (resp.). The session therefore loses access to the home directory and appears to freeze up, preventing it from being resumed. Both pam_krb5 and pam_afs_session accept retain_after_close as a parameter, which disables the delete-on-close behavior. With this parameter set, it becomes possible to resume sessions, unless the AFS token has expired. This solves at least the case where the user reconnects quickly (eg. after a short network outage), but it still means sessions will become unresumable when left unused for a few days. I guess the only way to avoid this is to not store session data in the home directory. Can X2go be configured such that it uses eg. /tmp or /var/lib for this purpose?

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Mac OS X 10.8.3 x2goclient 4.0.1.x session keyboard input issue
by Paul Freeman 16 Sep '13

16 Sep '13

Hi, I am running the latest x2goclient (4.0.1.x) for Mac OS X (10.8.3) and have noticed an unusual problem relating to keyboard input when starting a configured session for the second time. The first time a session is started, the username and password can be typed but when you exit the session then launch it again (without exiting x2goclient) keyboard keystrokes do not appear in the username and password fields. If you exit x2goclient then start it again it works but only once. In case it helps, I noticed I can paste text into the field. Has anyone else observed this? I have tried using the latest stable release of the X server, XQuartx 2.7.4 and the latest beta release 2.7.5_rc2 with the same results. I did not want to lodge a bug report yet in case it was something particular to my installation or setup. Regards Paul Freeman EML (CHEM) Pty Ltd __________ Information from ESET Smart Security, version of virus signature database 8805 (20130915) __________ The message was checked by ESET Smart Security. http://www.eset.com

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Two factor authentication using Google linux PAM module and Authenticator App
by Paul Freeman 13 Sep '13

13 Sep '13

Hi, I was wondering whether it is possible to implement two factor authentication in X2go? Ie. ssh password based login with the Google two factor authentication Linux PAM module and Google Authenticator App for iOS or Android. Would this be any more secure than using ssh private/public keys? Regards Paul Freeman EML (CHEM) Pty Ltd Australia __________ Information from ESET Smart Security, version of virus signature database 8793 (20130912) __________ The message was checked by ESET Smart Security. http://www.eset.com

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Smart Card Forwarding
by Markus Bräunig 12 Sep '13

12 Sep '13

Hello, I am looking for a solution to provide secure authentication / mail signing etc on a central place, so I researched the actual available OS-Solutions for this task. I have a smart card reader built into the client which I want to use for: - authentication at the Terminal Server - "taking" my smart card with me to authenticate at further destinations (connection is initiated at the Terminal Server). What I found out is, that the upcoming version of nx can do such a thing and the commercial solutions offer also this functionality (Windows only, Citrix, Oracle SDG …) Is it possible with x2go to forward the smart card (reader) to the terminal server in a secure way to use it for further actions? If yes: What do I need for this? Regards Markus

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x2goclient on Windows crashes
by Alejandro Alberola 10 Sep '13

10 Sep '13

Hello, We are trying to run a Java program from x2goclient on Windows in application mode. Using version 4.0.0.3 in Windows XP, x2goclient crashes everytime with the following message: "vcxsrv.exe encountered a problem and needs to close." Using version 4.0.0.3 in Windows 7, it works without any problem. Using the preview version (4.0.1.0-pre02) on Windows XP it works properly most of the time, but sometimes crashes too. Any idea ? Thanks. // --- Alejandro Alberola ---

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Possible problem with printing & newer versions of Adobe Acrobat
by Madog 04 Sep '13

04 Sep '13

Hi All: Has anyone had trouble printing with the newer versions of Adobe acrobat (e.g., "X") with the following symptoms: - connect up to server over ssh from windows (x2go version 4.0.0.3) - open a document from the x2go session and print - on the client, Adobe flashes briefly (if check "Show this dialog before start printing", get the dialog box) - nothing comes out the printer (have tried USB and network printers) As best I can tell, a link is created in the Adobe reader "Open a Recent File" page on the client. If I click on this link in Adobe, I can then open and print the file as long as the x2go session is active. Once I shut down the x2go session, the link no longer works. Also, if I print as a .PDF, the file is generated on the client as a pdf, I can print it, and the file stays on the client. I.e., the print jobs used to go directly to the printer. Currently, I have to "print twice". Not a "hair on fire", but was wondering if there is a way to address this (possibly even in the Adobe settings, but ideally from the server). Does this sound like possibly a change in Acrobat? Or something I need to check on the x2go client or x2go server side? Thanks!

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New feature for next PyHoca-GUI release (0.4.0.9): passphrase protected SSH keys
by Mike Gabriel 03 Sep '13

03 Sep '13

Hi all, today I have added a new (long waited for) feature to PyHoca-GUI. So far, in PyHoca-GUI (python-x2go) it was only possible to use passphrase-protected / encrypted SSH keys via an ssh-agent process that unlocks those keys when being added to the agent's keyring previous to logging into an X2Go Server. Unlocking those keys natively in PyHoca-GUI was not possible so far. -> Now it is!!! The nightly built packages are currently building and the 0.4.0.9 preview of PyHoca-GUI will soon be available for testing this new feature. Within the next couple of days I will add the pendant feature to PyHoca-CLI. Those of you using PyHoca-GUI may test this new feature by encrypting your private key file... $ ssh-keygen -p ... and then using this key file in PyHoca-GUI. Don't add your key(s) to ssh-agent to see the new passphrase dialog pop up. WARNING: Make sure you do not forget the password for unlocking the key, otherwise your key will be lost. It surely is a good idea to make a backup of your SSH key files before playing with this. Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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can't get pulseaudio working on 64bits windows7
by philip van houtte 30 Aug '13

30 Aug '13

I installed x2go client 3.0.0.4 out-of-the-box on a windows 7 64bits PC. Everything works fine but pulseaudio. When I install the same image on a 32bits windows7 PC pulseaudio renders good sound. This is consistent for all 64bit PC's I tried. Anyone has a clue? Thanks, philip

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How to dynamically resize the session display ?
by Christophe Lohr 30 Aug '13

30 Aug '13

Hi, I'm trying x2go to be connected on an GNOME desktop. The gnome-control-center tool allows us to dynamically change the resolution of the remote desktop. This immediately resizes the window of the x2go viewer. Unfortunately, this causes strange effects regarding the gnome desktop: the taskbar and the menu bar are truncated, dialog boxes are no more centered, etc. It is as if information about the new resolution were not propagated to gnome. Is there a better way to do that? (Is it a bug regarding the implementation of xrandr?) PS: It has nothing to do, but I've seen that x2goclient has an "maximize" option. Unfortunately this affect only the window of the session manager. It would be nice if the window of x2goagent could also be maximized (and not only fullscreen or at custom resolution). Isn't it? Best regards Christophe

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No connection to remote proxy with x2gothinclient
by Frank Wittemeier 29 Aug '13

29 Aug '13

Hi, i setup a X2go Server on Kubuntu 12.04 with x2gothinclient enviroment. I can connect to the server from my notebook with Kubuntu 13.04 and X2goClient, it woks fine. But i have a problem with the thinclients. They boot and the X2go client starts. I can select a session an enter username and password. Then i get this error: Could not yet establish the connection to the remote proxy. Do you want to terminate the current session? Yes / No Both options bring me back to the same error message. What's my mistake? Thanks, Frank -- Frank Wittemeier Krugweg 1 - 32 602 Vlotho Fon: 05733 / 939 131 - 0 Fax: 05733 / 939 131 - 9 Mobile: 0178 / 352 9381 Internet: www.wittemeier.de PGP Public-Key: http://www.wittemeier.de/media/Service/frank_wittemeier_pubkey.asc www.facebook.com/frank.wittemeier

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[SOLVED] Re: [X2Go-Dev] Downtime code.x2go.org
by Mike Gabriel 29 Aug '13

29 Aug '13

Hi Arnold, hi all, On Mi 28 Aug 2013 20:59:47 CEST Arnold Krille wrote: > On Wed, 28 Aug 2013 15:34:46 +0200 Mike Gabriel > <mike.gabriel(a)das-netzwerkteam.de> wrote: >> the system hosting the Virtual Hosts (httpd) >> >> code.x2go.org >> packages.x2go.org >> >> has a short downtime atm. One hard drive feels buggy, so I do a >> reboot on the whole virtual hosting server followed by some test and >> maybe eventually a replacement of the buggy hard drive. > > Interesting, that was about the time I tried to clone part of the > repo... > > Hope the hardware is well, The defect harddrive has been replaced, RAIDs are still rebuilding but all service should be available again. Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Re: [X2Go-User] Login via ~/.ssh/authorized_keys fails
by Matthias Kauer 28 Aug '13

28 Aug '13

Hi Mike, thanks for the confirmation and the submission. If anyone is interested, one thing I did for now, to address this issue was to allow password-based access from my LAN addresses as described here: http://askubuntu.com/questions/101670/how-can-i-allow-ssh-password-authenti… (Note that the match block should be at the end of sshd_config file as it affects all statements below it if I understand it correctly) Use a |Match| block in |/etc/ssh/sshd_config|. |PasswordAuthentication no Match address 192.0.2.0/24 PasswordAuthentication yes | Best, Matthias PS: Is there a comfortable way to reply to individual messages from the digest email that doesn't involve plenty of copy &paste + praying that it will be sorted correctly like just now? Probably no, right? On 28/8/2013 12:00 PM, x2go-user-request(a)lists.berlios.de wrote: > Hi Matthias, > > On Mo 26 Aug 2013 23:54:55 CEST Matthias Kauer wrote: > >> Hi, >> I am looking for input on how to set up an ssh key-based authentication. >> >> I generated an RSA key pair with puttygen and added it to >> ~/.ssh/authorized_keys2 => confirmed that I can login with putty. >> Now, I specify the same private key in x2goclient (windows). I enter my >> password and I am then prompted for the password of the ssh key. I enter >> it and the same ssh key password prompt reappears. This seems to be an >> infinite loop. When I cancel it, I get a message saying that only >> publickey is supported as login method (which corresponds to my >> sshd_config settings). >> >> I then tried renaming ~/.ssh/authorized_keys and using a DSA key pair. >> putty still works as expected with both of these alternatives. >> x2goclient still shows the same problems however. It only lets me login >> if I adapt my sshd_config and authenticate via user / password combination. >> >> Is this a known limitation? >> What is the best way to achieve high security? Can I limit the x2go >> connections to only LAN IPs (without restricting the pure ssh connections)? > I have just forwarded this issue to our bug tracker. I have observed > similar irregularities that desperately need a fix. > > Mike > >

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Error running x2go client on Mac
by Kermit Short 28 Aug '13

28 Aug '13

I downloaded and installed the x2go client on a Mac just now, and got an error when the application tries to run. I'm a total newbie at Mac's so please accept my apologies in advance if it's something your average dumb ape should understand. Process: launchd [33598] Path: /Applications/x2goclient.app/Contents/MacOS/x2goclient Identifier: launchd Version: ??? (???) Code Type: X86-64 (Native) Parent Process: launchd [2304] Date/Time: 2013-08-28 10:33:46.518 -0600 OS Version: Mac OS X 10.7.5 (11G63) Report Version: 9 Interval Since Last Report: 7714164 sec Crashes Since Last Report: 10 Per-App Crashes Since Last Report: 5 Anonymous UUID: 5F2C4C08-51E3-4934-99BF-CD20F49A231E Crashed Thread: Unknown Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00007fff5fc01028 Backtrace not available Unknown thread crashed with X86 Thread State (64-bit): rax: 0x0000000000000055 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x0000000000000000 rdi: 0x0000000000000000 rsi: 0x0000000000000000 rbp: 0x0000000000000000 rsp: 0x0000000000000000 r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x0000000000000000 r11: 0x0000000000000000 r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000 rip: 0x00007fff5fc01028 rfl: 0x0000000000010203 cr2: 0x00007fff5fc01028 Logical CPU: 2 Binary images description not available External Modification Summary: Calls made by other processes targeting this process: task_for_pid: 1 thread_create: 0 thread_set_state: 0 Calls made by this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by all processes on this machine: task_for_pid: 92945 thread_create: 0 thread_set_state: 0 Model: MacPro2,1, BootROM MP21.007F.B06, 8 processors, Quad-Core Intel Xeon, 3 GHz, 8 GB, SMC 1.15f3 Graphics: ATI Radeon X1900 XT, ATY,RadeonX1900, PCIe, 512 MB Memory Module: DIMM Riser A/DIMM 1, 2 GB, DDR2 FB-DIMM, 667 MHz, 0x802C, 0x3138484632353637324A4436363745314434 Memory Module: DIMM Riser A/DIMM 2, 2 GB, DDR2 FB-DIMM, 667 MHz, 0x802C, 0x3138484632353637324A4436363745314434 Memory Module: DIMM Riser B/DIMM 1, 2 GB, DDR2 FB-DIMM, 667 MHz, 0x802C, 0x3138484632353637324A4436363745314434 Memory Module: DIMM Riser B/DIMM 2, 2 GB, DDR2 FB-DIMM, 667 MHz, 0x802C, 0x3138484632353637324A4436363745314434 AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x87), Broadcom BCM43xx 1.0 (5.10.131.36.15) Network Service: Built-in Ethernet 1, Ethernet, en0 Network Service: Built-in Ethernet 2, Ethernet, en1 PCI Card: ATY,RadeonX1900, sppci_displaycontroller, Slot-1 Serial ATA Device: WDC WD5000AAKS-41TMA0, 500.11 GB Parallel ATA Device: OPTIARC DVD RW AD-7170A USB Device: hub_device, apple_vendor_id, 0x9122, 0xfd500000 / 2 USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0xfd510000 / 4 USB Device: composite_device, 0x413c (Dell Inc.), 0x3010, 0xfd513000 / 6 USB Device: Apple Keyboard, apple_vendor_id, 0x0220, 0xfd512000 / 5 USB Device: Apple Cinema HD Display, apple_vendor_id, 0x921e, 0xfd520000 / 3 FireWire Device: built-in_hub, 800mbit_speed -Kermit Short

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Downtime code.x2go.org
by Mike Gabriel 28 Aug '13

28 Aug '13

Hi, the system hosting the Virtual Hosts (httpd) code.x2go.org packages.x2go.org has a short downtime atm. One hard drive feels buggy, so I do a reboot on the whole virtual hosting server followed by some test and maybe eventually a replacement of the buggy hard drive. Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Login via ~/.ssh/authorized_keys fails
by Matthias Kauer 27 Aug '13

27 Aug '13

Hi, I am looking for input on how to set up an ssh key-based authentication. I generated an RSA key pair with puttygen and added it to ~/.ssh/authorized_keys2 => confirmed that I can login with putty. Now, I specify the same private key in x2goclient (windows). I enter my password and I am then prompted for the password of the ssh key. I enter it and the same ssh key password prompt reappears. This seems to be an infinite loop. When I cancel it, I get a message saying that only publickey is supported as login method (which corresponds to my sshd_config settings). I then tried renaming ~/.ssh/authorized_keys and using a DSA key pair. putty still works as expected with both of these alternatives. x2goclient still shows the same problems however. It only lets me login if I adapt my sshd_config and authenticate via user / password combination. Is this a known limitation? What is the best way to achieve high security? Can I limit the x2go connections to only LAN IPs (without restricting the pure ssh connections)? Best Wishes, Matthias Kauer

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Re: [X2Go-User] X2Go-User Digest, Vol 36, Issue 13
by Nigra Truo 26 Aug '13

26 Aug '13

Hi Mike, I'm glad to help. A really cool tool like X2go deserves a really great documentation. I am always amazed how few people (especially here in the Westcoast of the US) don't know X2go. I have been using it for a long time now, but might be a little shaky in the internals. What I am good at though is seeing both the developers side and the users side and be able to bridge it in documentation. One thing that I would think would work great is to have an into page in the wiki, called "New to X2go? Start here! What is X2go and what does it do?" I would write a little thing there about how Linux was basically always the perfect Terminal server, BUT no easy free framework ever existed to use it. That we used to envy RDP on Windows and that we now got the same thing and much better on Linux. I especially want to point out what it can do (like thinclient support which is super cool). On some details I might have to ask you a few things, what what is, since I have seen that you added a ton of new features that I am not even aware what they do (I for example never used the desktopsharing function) I would also like to do a bit there where I do a little FAQ like: I got X11 forwarding over ssh, why do I need X2go? (A think I hear all the time from people) and point out what it can do more. Thanks, Markus On Mon, Aug 26, 2013 at 3:00 AM, <x2go-user-request(a)lists.berlios.de> wrote: > Send X2Go-User mailing list submissions to > x2go-user(a)lists.berlios.de > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.berlios.de/mailman/listinfo/x2go-user > or, via email, send a message with subject or body 'help' to > x2go-user-request(a)lists.berlios.de > > You can reach the person managing the list at > x2go-user-owner(a)lists.berlios.de > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of X2Go-User digest..." > > > Today's Topics: > > 1. Re: Offer for help (Mike Gabriel) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 25 Aug 2013 21:33:08 +0200 > From: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> > To: x2go-user(a)lists.berlios.de > Subject: Re: [X2Go-User] Offer for help > Message-ID: <20130825213308.55531i2l11umgr90(a)mail.das-netzwerkteam.de> > Content-Type: text/plain; charset="utf-8"; Format="flowed"; > DelSp="Yes" > > Hi Markus, > > On Sa 24 Aug 2013 13:03:51 CEST Nigra Truo wrote: > > > First I'd like to thank you for all the great work and effort you have > put > > into X2go. > > :-) > > > I would like to contribute to the project. My skill is not necessarily > > programming, but I think I might be able to improve some of the > > documentation, a thing that you might not have time to. > > Or is there another way I can contribute my time? > > This is very cool!!! Yes, there are plenty of places to contribute to. > Documentation is definitely one part of X2Go that desperately requires > improvement. > > Please go through the wiki and check for stuff that you would like to > improve / rewrite / extend. Simply start on that work and ping me if > you need feedback or review. > > Also: please appear on the #x2go IRC channel on Freenode, so we can > easily coordinate work. > > Thanks for your disposition!!! > Mike > > > -- > > DAS-NETZWERKTEAM > mike gabriel, herweg 7, 24357 fleckeby > fon: +49 (1520) 1976 148 > > GnuPG Key ID 0x25771B31 > mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de > > freeBusy: > > https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x… >

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Offer for help
by Nigra Truo 25 Aug '13

25 Aug '13

Hi Mike, First I'd like to thank you for all the great work and effort you have put into X2go. I would like to contribute to the project. My skill is not necessarily programming, but I think I might be able to improve some of the documentation, a thing that you might not have time to. Or is there another way I can contribute my time? Thanks, Markus

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Redirect only specific sound devices?
by Buddy Butterfly 24 Aug '13

24 Aug '13

Hi all, for a headless system I am trying to run a headset locally on it. For operation I have used x2go which works perfect, even for sound. So this solved the headache with KVM ;-). Now I would like to use a headset locally on the headless system which is connected via USB and its own usb sound card (Logitech, works always perfect!). I am unable to get the headset to work while being connected to via x2go. Headset should be primarily for voip. So, how I could use this headset? Is it possible to configure somehwere that not all sound devices should be redirected but only specific ones? With this I could try to leave out the headset sound card. Thanks for any help, Matt

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x2goserver doesn't configure properly on RHEL 5 (problem with perl's file module?)
by Holger Krause 23 Aug '13

23 Aug '13

Hi list, Inspired by Kermit Short's posting a week ago, I tried to install x2goserver on RHEL 5 (x86_64) today. Missing dependencies I installed manually. The dependency on the perl-file module reported by yum ---- Error: Missing Dependency: perl(File::BaseDir) is needed by package x2goserver ---- I tried to fullfill with ---- [root@hermes ~]# rpm -i perl-File-BaseDir-0.03-1.el5.noarch.rpm ----- Here's the transcript of the final installation by yum: ----- [root@hermes ~]# yum install -e 3 x2goserver Setting up Install Process Setting up repositories Reading repository metadata in from local files Parsing package install arguments Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package x2goserver.i386 0:4.0.1.6-1.1 set to be updated ---> Package x2goserver.x86_64 0:4.0.1.6-1.1 set to be updated --> Running transaction check --> Processing Dependency: x2goagent for package: x2goserver --> Processing Dependency: perl(DBD::SQLite) for package: x2goserver --> Processing Dependency: perl(DBI) for package: x2goserver --> Processing Dependency: perl(Config::Simple) for package: x2goserver --> Processing Dependency: perl(DBD::SQLite) >= 1.27 for package: x2goserver --> Processing Dependency: perl(DBI) >= 1.617 for package: x2goserver --> Processing Dependency: perl(DBD::Pg) for package: x2goserver --> Processing Dependency: makepasswd for package: x2goserver --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Package x2goagent.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package makepasswd.x86_64 0:0.5.0-2.2 set to be updated ---> Package perl-DBD-SQLite.x86_64 0:1.37-26.1 set to be updated ---> Package perl-Config-Simple.x86_64 0:4.59-14.1 set to be updated ---> Package perl-DBI.x86_64 0:1.617-8.1 set to be updated ---> Package perl-DBD-Pg.x86_64 0:1.49-1.fc6 set to be updated --> Running transaction check --> Processing Dependency: nxagent for package: x2goagent --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Package nxagent.x86_64 0:3.5.0.20-4.1 set to be updated --> Running transaction check --> Processing Dependency: libNX_Xrender.so.1()(64bit) for package: nxagent --> Processing Dependency: libXcompshad.so.3()(64bit) for package: nxagent --> Processing Dependency: libNX_freetype.so.6()(64bit) for package: nxagent --> Processing Dependency: libNX_Xext.so.6()(64bit) for package: nxagent --> Processing Dependency: libNX_Xrandr.so.2()(64bit) for package: nxagent --> Processing Dependency: libNX_Xtst.so.6()(64bit) for package: nxagent --> Processing Dependency: libNX_Xfixes.so.3()(64bit) for package: nxagent --> Processing Dependency: libNX_Xdmcp.so.6()(64bit) for package: nxagent --> Processing Dependency: libNX_Xcomposite.so.1()(64bit) for package: nxagent --> Processing Dependency: libXcompshad.so.3(X2GO)(64bit) for package: nxagent --> Processing Dependency: libXcomp.so.3(X2GO)(64bit) for package: nxagent --> Processing Dependency: libXcomp.so.3()(64bit) for package: nxagent --> Processing Dependency: libNX_X11.so.6()(64bit) for package: nxagent --> Processing Dependency: libNX_Xpm.so.4()(64bit) for package: nxagent --> Processing Dependency: libXcompext.so.3(X2GO)(64bit) for package: nxagent --> Processing Dependency: libNX_Xinerama.so.1()(64bit) for package: nxagent --> Processing Dependency: libNX_Xdamage.so.1()(64bit) for package: nxagent --> Processing Dependency: libXcompext.so.3()(64bit) for package: nxagent --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Package libNX_Xext6.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libXcompext3.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_X11-6.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xpm4.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xinerama1.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xcomposite1.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xdmcp6.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xfixes3.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libXcompshad3.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xrandr2.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xrender1.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xtst6.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libXcomp3.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_freetype6.x86_64 0:3.5.0.20-4.1 set to be updated ---> Package libNX_Xdamage1.x86_64 0:3.5.0.20-4.1 set to be updated --> Running transaction check Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: x2goserver i386 4.0.1.6-1.1 X11_RemoteDesktop_x2go 78 k x2goserver x86_64 4.0.1.6-1.1 X11_RemoteDesktop_x2go 78 k Installing for dependencies: libNX_X11-6 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 513 k libNX_Xcomposite1 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 7.7 k libNX_Xdamage1 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 7.6 k libNX_Xdmcp6 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 13 k libNX_Xext6 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 33 k libNX_Xfixes3 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 11 k libNX_Xinerama1 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 8.4 k libNX_Xpm4 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 37 k libNX_Xrandr2 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 10 k libNX_Xrender1 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 20 k libNX_Xtst6 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 15 k libNX_freetype6 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 261 k libXcomp3 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 340 k libXcompext3 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 29 k libXcompshad3 x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 24 k makepasswd x86_64 0.5.0-2.2 X11_RemoteDesktop_x2go 10 k nxagent x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 1.9 M perl-Config-Simple x86_64 4.59-14.1 X11_RemoteDesktop_x2go 38 k perl-DBD-Pg x86_64 1.49-1.fc6 localrepo 114 k perl-DBD-SQLite x86_64 1.37-26.1 X11_RemoteDesktop_x2go 464 k perl-DBI x86_64 1.617-8.1 X11_RemoteDesktop_x2go 891 k x2goagent x86_64 3.5.0.20-4.1 X11_RemoteDesktop_x2go 12 k Transaction Summary ============================================================================= Install 24 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 4.9 M Is this ok [y/N]: y Downloading Packages: Running Transaction Test warning: libNX_Xext6-3.5.0.20-4.1: Header V3 DSA signature: NOKEY, key ID 0f2672c8 Finished Transaction Test Transaction Test Succeeded Running Transaction Installing: libXcomp3 ####################### [ 1/24] Installing: libNX_X11-6 ####################### [ 2/24] Installing: libNX_Xext6 ####################### [ 3/24] Installing: libNX_Xrender1 ####################### [ 4/24] Installing: libNX_Xrandr2 ####################### [ 5/24] Installing: libNX_Xtst6 ####################### [ 6/24] Installing: libNX_Xdamage1 ####################### [ 7/24] Installing: makepasswd ####################### [ 8/24] Installing: libXcompshad3 ####################### [ 9/24] Installing: libNX_Xpm4 ####################### [10/24] Installing: libNX_Xinerama1 ####################### [11/24] Installing: libXcompext3 ####################### [12/24] Installing: libNX_freetype6 ####################### [13/24] Installing: libNX_Xfixes3 ####################### [14/24] Installing: libNX_Xdmcp6 ####################### [15/24] Installing: libNX_Xcomposite1 ####################### [16/24] Installing: perl-DBI ####################### [17/24] Installing: perl-DBD-Pg ####################### [18/24] Installing: perl-DBD-SQLite ####################### [19/24] Installing: perl-Config-Simple ####################### [20/24] Installing: nxagent ####################### [21/24] Installing: x2goserver ####################### [22/24] "make_path" is not exported by the File::Path module Can't continue after import errors at /usr/sbin/x2godbadmin line 25 BEGIN failed--compilation aborted at /usr/sbin/x2godbadmin line 25. chgrp: cannot access `/var/lib/x2go/x2go_sessions': No such file or directory chmod: cannot access `/var/lib/x2go/x2go_sessions': No such file or directory Installing: x2goagent ####################### [23/24] Installing: x2goserver ####################### [24/24] "make_path" is not exported by the File::Path module Can't continue after import errors at /usr/sbin/x2godbadmin line 25 BEGIN failed--compilation aborted at /usr/sbin/x2godbadmin line 25. chgrp: cannot access `/var/lib/x2go/x2go_sessions': No such file or directory chmod: cannot access `/var/lib/x2go/x2go_sessions': No such file or directory Installed: x2goserver.i386 0:4.0.1.6-1.1 x2goserver.x86_64 0:4.0.1.6-1.1 Dependency Installed: libNX_X11-6.x86_64 0:3.5.0.20-4.1 libNX_Xcomposite1.x86_64 0:3.5.0.20-4.1 libNX_Xdamage1.x86_64 0:3.5.0.20-4.1 libNX_Xdmcp6.x86_64 0:3.5.0.20-4.1 libNX_Xext6.x86_64 0:3.5.0.20-4.1 libNX_Xfixes3.x86_64 0:3.5.0.20-4.1 libNX_Xinerama1.x86_64 0:3.5.0.20-4.1 libNX_Xpm4.x86_64 0:3.5.0.20-4.1 libNX_Xrandr2.x86_64 0:3.5.0.20-4.1 libNX_Xrender1.x86_64 0:3.5.0.20-4.1 libNX_Xtst6.x86_64 0:3.5.0.20-4.1 libNX_freetype6.x86_64 0:3.5.0.20-4.1 libXcomp3.x86_64 0:3.5.0.20-4.1 libXcompext3.x86_64 0:3.5.0.20-4.1 libXcompshad3.x86_64 0:3.5.0.20-4.1 makepasswd.x86_64 0:0.5.0-2.2 nxagent.x86_64 0:3.5.0.20-4.1 perl-Config- Simple.x86_64 0:4.59-14.1 perl-DBD-Pg.x86_64 0:1.49-1.fc6 perl-DBD- SQLite.x86_64 0:1.37-26.1 perl-DBI.x86_64 0:1.617-8.1 x2goagent.x86_64 0:3.5.0.20-4.1 Complete! ---- When I try to connect with the server, the x2goclient get's the following error message: ---- Verbindung fehlgeschlagen DBD::SQLite::db prepare failed: no such table: sessions at /usr/libexec/x2go/x2gosqlitewrapper.pl line 423. Can't call method "execute" on an undefined value at /usr/libexec/x2go/x2gosqlitewrapper.pl line 431. ---- Listing of x2go_sessions afterwards showed the file to be owned by the user trying to log in ('krause'): ---- [root@hermes log]# ls -l /var/lib/x2go/x2go_sessions -rw-r--r-- 1 krause x2gouser 0 Aug 23 13:41 /var/lib/x2go/x2go_sessions ----- Applying permissions as found on a working debian server, didn't improve the situation. ---- chown root /var/lib/x2go/x2go_sessions chmod g+w /var/lib/x2go/x2go_sessions ---- Now, calling x2godbadmin yields the same error message as during installation by yum: ---- [root@hermes log]# /usr/sbin/x2godbadmin "make_path" is not exported by the File::Path module Can't continue after import errors at /usr/sbin/x2godbadmin line 25 BEGIN failed--compilation aborted at /usr/sbin/x2godbadmin line 25. ---- Line 25 of x2godbadmin reads: ---- use File::Path qw( make_path ); ---- Do I need a specific version of perl(File::BaseDir)? Any ideas how to fix the x2goserver configuration? Thanks in advance, Holger

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releases+translations of X2Go Client / PyHoca-GUI
by Mike Gabriel 22 Aug '13

22 Aug '13

Hi all, currently we have two releases pending: X2Go Client and PyHoca-GUI. Both projects are still hoping for people working on their translations: X2Go Client: -> Russion translation (Alex? Nable?) PyHoca-GUI: -> Dutch translation (Anyone?) The Dutch translator for PyHoca-GUI is currently on vacation, so maybe someone else can jump in? I will release those versions on 26th August (Monday next week) if no more translations come in. If you have any questions on X2Go translation work, please contact me personally (or subscribe to x2go-i18n ML [1] right away and ask there). Furthermore, we have a couple of translations incomplete. Thanks to those who provided the work in the first place!!! However, I hope that there are people on our mailing lists who feel entitled to continue the work: X2Go Client: French, Chinese/Taiwan (zh_tw) PyHoca-GUI: French If you run your computer in your local language and X2Go Client / PyHoca-GUI appear(s) in Englisch on your screen, you may also feel entitled joining the X2Go i18n / translation team. Translating software is a task that non-developers can easily do. I will do my best in supervising you ASAP, so you can get started with the translation work right away. Greets+Regards+Thanks, Mike [1] https://lists.berlios.de/mailman/listinfo/x2go-i18n -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Advice needed on a somewhat working x2go configuration
by Yohan Bataille 21 Aug '13

21 Aug '13

Hi, I need a GUI application (RetroShare) to start on boot on my headless server (Debian Wheezy up to date with x2go repos) and be available remotely. I got it working with the scripts below but it's cumbersome. Is it how it is supposed to be done ? I only encounter two issues apart from the complexity : -- x2goclient (v4.0.1.0 on my PC) resolution is ignored and Xvfb startup resolution (900x550) is used even after it has been killed. -- Caps Lock cannot be used, because once it has been, it stays on. Regards, Yohan scripts : $ cat /etc/rc.local su -l -c /home/yohan/launch_x2go.sh yohan $ cat /home/yohan/launch_x2go.sh #!/bin/bash export DISPLAY=:1 # Xvfb is a framebuffer Xserver. Xvfb :1 -screen 0 900x550x16 & sleep 15 pyhoca-cli --server localhost -N -c LXDE --user yohan --add-to-known-hosts --password mypasswd --kbd-layout fr --kbd-type pc105/fr & export DISPLAY=:51 sleep 20 lxterminal & lxterminal & /home/yohan/reboot_RS.sh & sleep 240 pyhoca-cli --server localhost -S ALL --user yohan --password mypasswd & sleep 10 killall Xvfb Before killing Xvfb : $ ps auxf yohan 10994 0.0 0.0 11264 1400 pts/0 S+ 16:39 0:00 | | \_ /bin/bash ./launch_x2go.sh yohan 10996 0.1 0.0 117604 15912 pts/0 Sl+ 16:39 0:00 | | \_ Xvfb :1 -screen 0 900x550x16 yohan 11066 0.6 0.1 81892 17824 pts/0 S+ 16:39 0:01 | | \_ pyhoca-cli --server localhost -N -c LXDE --user yohan --add-to-known-hosts --password XXXXXXXX --kbd-layout fr --kbd-type pc105/fr yohan 11348 0.5 0.0 29900 10044 pts/0 S+ 16:39 0:00 | | | \_ /usr/lib/nx/bin/nxproxy -S nx/nx,retry=5,composite=1,connect=127.0.0.1,clipboard=1,cookie=4bf3236294b3550c44 yohan 11624 0.0 0.0 6080 584 pts/0 S+ 16:39 0:00 | | \_ sleep 240 root 2697 0.0 0.0 32256 4420 ? S août17 0:44 /usr/bin/perl /usr/sbin/x2gocleansessions yohan 11303 0.8 0.2 119620 36568 ? S 16:39 0:01 /usr/lib/nx/../x2go/bin/x2goagent -extension XFIXES -extension GLX -nolisten tcp -D -auth /home/yohan/.Xauthority -geometry 800x600 -name X2GO-yohan yohan 11360 0.0 0.0 11280 1512 ? Ss 16:39 0:00 /bin/bash /usr/bin/x2goruncommand 51 11303 yohan-51-1376836770_stDLXDE_dp16 30005 startlxde pulse D yohan 11469 0.0 0.0 33576 1732 ? Sl 16:39 0:00 \_ /usr/bin/lxsession -s LXDE -e LXDE yohan 11480 0.3 0.0 109524 7728 ? S 16:39 0:00 \_ openbox --config-file /home/yohan/.config/openbox/lxde-rc.xml yohan 11482 0.0 0.0 153444 10420 ? S 16:39 0:00 \_ lxpanel --profile LXDE yohan 11483 0.1 0.0 241880 11236 ? S 16:39 0:00 \_ pcmanfm --desktop --profile LXDE yohan 11733 74.5 1.1 593584 180308 pts/0 Sl+ 16:39 1:42 /home/yohan/retroshare/retroshare-gui/src/RetroShare With session running on my PC : $ ps auxf root 2697 0.0 0.0 32256 4420 ? S août17 0:44 /usr/bin/perl /usr/sbin/x2gocleansessions yohan 11303 0.3 0.2 120252 40332 ? S 16:39 0:04 /usr/lib/nx/../x2go/bin/x2goagent -extension XFIXES -extension GLX -nolisten tcp -D -auth /home/yohan/.Xauthority -geometry 800x600 -name X2GO-yohan-51-1376836770_stDLXDE_dp16 :51 yohan 11360 0.0 0.0 11280 1512 ? Ss 16:39 0:00 /bin/bash /usr/bin/x2goruncommand 51 11303 yohan-51-1376836770_stDLXDE_dp16 30005 startlxde pulse D yohan 11469 0.0 0.0 33576 1732 ? Sl 16:39 0:00 \_ /usr/bin/lxsession -s LXDE -e LXDE yohan 11480 0.0 0.0 109524 7728 ? S 16:39 0:00 \_ openbox --config-file /home/yohan/.config/openbox/lxde-rc.xml yohan 11482 0.0 0.0 153560 10852 ? S 16:39 0:00 \_ lxpanel --profile LXDE yohan 11483 0.0 0.0 241880 11236 ? S 16:39 0:00 \_ pcmanfm --desktop --profile LXDE yohan 11733 16.7 1.2 590244 198428 pts/0 Sl 16:39 3:13 /home/yohan/retroshare/retroshare-gui/src/RetroShare yohan 19453 1.5 0.2 119328 36896 ? S 16:57 0:01 /usr/lib/nx/../x2go/bin/x2goagent -extension XFIXES -extension GLX -nolisten tcp -S -auth /home/yohan/.Xauthority -shadow :51 -shadowmode 1 -geometry 900x550+0+0 -name X2GO-yohan-52-1376837840_stS1XSHADyohanXSHADPP51_dp24 :52 With x2goclient exited on my PC : $ ps auxf root 2697 0.0 0.0 32256 4420 ? S août17 0:44 /usr/bin/perl /usr/sbin/x2gocleansessions yohan 11303 0.5 0.2 118708 38988 ? S 16:39 0:03 /usr/lib/nx/../x2go/bin/x2goagent -extension XFIXES -extension GLX -nolisten tcp -D -auth /home/yohan/.Xauthority -geometry 800x600 -name X2GO-yohan-51-1376836770_stDLXDE_dp16 :51 yohan 11360 0.0 0.0 11280 1512 ? Ss 16:39 0:00 /bin/bash /usr/bin/x2goruncommand 51 11303 yohan-51-1376836770_stDLXDE_dp16 30005 startlxde pulse D yohan 11469 0.0 0.0 33576 1732 ? Sl 16:39 0:00 \_ /usr/bin/lxsession -s LXDE -e LXDE yohan 11480 0.0 0.0 109524 7728 ? S 16:39 0:00 \_ openbox --config-file /home/yohan/.config/openbox/lxde-rc.xml yohan 11482 0.0 0.0 153444 10480 ? S 16:39 0:00 \_ lxpanel --profile LXDE yohan 11483 0.0 0.0 241880 11236 ? S 16:39 0:00 \_ pcmanfm --desktop --profile LXDE yohan 11733 27.3 1.2 593608 197600 pts/0 Sl 16:39 2:48 /home/yohan/retroshare/retroshare-gui/src/RetroShare

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Mike on Debconf video
by Paul van der Vlis 20 Aug '13

20 Aug '13

Hi, You need a really new browser for this video (Iceweasel/Firefox 17 does not work, Chromium 28 does work). http://www.irill.org/videos/debconf13/X2Go_Terminal_Server_Suite_and_Debian… In my opinion it's a very good idea to use a driver in Xorg to avoid the license problems. With regards, Paul van der Vlis -- Paul van der Vlis Linux systeembeheer, Groningen http://www.vandervlis.nl

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X2goclient: Bringing up NX3 proxy failed.
by Nigra Truo 16 Aug '13

16 Aug '13

Hi, my x2goclient stopped working a day ago and I cannot get it to connect to my x2goserver. X2goclient on Windows works, so it must be a Linux client problem. I removed and reinstalled the client, tried it as another user, purged config, all to no avail. When using x2goclient, X2Go client V. 4.0.1.0 (Qt - 4.8.2) on server: 4.0.1.6-0~x2go1+wheezy~main~712~build1 I get this message: Can't load translator (:/x2goclient_en_us) ! Can't load translator :/qt_en_US Connection timeout, abortingInfo: Aborting the procedure due to signal '15'. Session: Session terminated at 'Thu Aug 15 17:13:47 2013'. and a question box if I want to terminate the session. when using pyhoca-gui --libdebug I get this output: (failed to start NX3 proxy, but no reason why) -------- Xlib.protocol.request.QueryExtension pyhoca-gui[31820] (x2goinifiles-pylib) INFO: proposed config files are ['/home/browny/.x2goclient/sessions'] pyhoca-gui[31820] (x2goinifiles-pylib) INFO: config files found: ['/home/browny/.x2goclient/sessions'] pyhoca-gui[31820] (x2goinifiles-pylib) INFO: proposed config files are ['/home/browny/.x2goclient/settings'] pyhoca-gui[31820] (x2goinifiles-pylib) INFO: config files found: ['/home/browny/.x2goclient/settings'] pyhoca-gui[31820] (x2goinifiles-pylib) INFO: proposed config files are ['/home/browny/.x2goclient/printing'] pyhoca-gui[31820] (x2goinifiles-pylib) INFO: config files found: ['/home/browny/.x2goclient/printing'] pyhoca-gui[31820] (PyHoca-GUI) WARN: the current release of PyHoca-GUI does not support client configuration pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gosession-pylib) DEBUG: X2Go control session parameters for profile x2goserver remote: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: username: browny pyhoca-gui[31820] (x2gosession-pylib) DEBUG: key_filename: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: unique_hostkey_aliases: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: look_for_keys: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: X2Go terminal session parameters for profile x2goserver remote: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: client_encoding: ISO8859-1 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: set_session_title: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: snd_system: pulse pyhoca-gui[31820] (x2gosession-pylib) DEBUG: session_type: desktop pyhoca-gui[31820] (x2gosession-pylib) DEBUG: server_encoding: UTF-8 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: snd_port: 4713 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: rdp_server: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: kbtype: pc105/us pyhoca-gui[31820] (x2gosession-pylib) DEBUG: applications: ['WWWBROWSER', 'MAILCLIENT', 'OFFICE', 'TERMINAL'] pyhoca-gui[31820] (x2gosession-pylib) DEBUG: published_applications: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: link: adsl pyhoca-gui[31820] (x2gosession-pylib) DEBUG: session_title: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: kbvariant: null pyhoca-gui[31820] (x2gosession-pylib) DEBUG: geometry: 800x600 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: rdp_options: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: cmd: KDE pyhoca-gui[31820] (x2gosession-pylib) DEBUG: convert_encoding: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: kblayout: us pyhoca-gui[31820] (x2gosession-pylib) DEBUG: xdmcp_server: localhost pyhoca-gui[31820] (x2gosession-pylib) DEBUG: pack: 16m-jpeg-9 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: X2Go sshproxy parameters for profile x2goserver remote: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_look_for_keys: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_host: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_key_filename: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_user: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_port: 22 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: initializing X2GoControlSession pyhoca-gui[31820] (x2gosessregistry-pylib) NOTICE: registering X2Go session x2goserver remote... pyhoca-gui[31820] (x2gosessregistry-pylib) DEBUG: registering X2Go session with UUID aec27950-0607-11e3-9a51-001f3b7501c5 pyhoca-gui[31820] (x2goclient-pylib) NOTICE: initializing X2Go session... pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) NOTICE: connecting to [10.11.11.89]:22 No handlers could be found for logger "paramiko.hostkeys" pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: trying keyboard-interactive SSH authentication with server pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "which x2gofeaturelist >/dev/null && x2gofeaturelist" pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: server-side X2Go features are: ['X2GO_LIST_DESKTOPS', 'X2GO_MOUNTDIRS', 'X2GO_MOUNT_UNCPATHS', 'X2GO_PUBLISHED_APPLICATIONS', 'X2GO_RUN_EXTENSIONS', 'X2GO_SERVERSIDE_DESKTOPCOMMANDS', 'X2GO_SET_KEYBOARD', 'X2GO_UMOUNTSESSION_ALL', 'X2GO_UMOUNTSESSION_ONLYPATH'] pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "echo $HOME" pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: remote user' home directory: /home/browny pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: executing command on X2Go server ,,x2goserver remote'': sh -c "stat -tL "/home/browny"" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gosession-pylib) DEBUG: X2Go control session parameters for profile x2goserver remote: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: username: browny pyhoca-gui[31820] (x2gosession-pylib) DEBUG: key_filename: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: unique_hostkey_aliases: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: look_for_keys: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: X2Go terminal session parameters for profile x2goserver remote: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: client_encoding: ISO8859-1 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: set_session_title: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: snd_system: pulse pyhoca-gui[31820] (x2gosession-pylib) DEBUG: session_type: desktop pyhoca-gui[31820] (x2gosession-pylib) DEBUG: server_encoding: UTF-8 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: snd_port: 4713 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: rdp_server: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: kbtype: pc105/us pyhoca-gui[31820] (x2gosession-pylib) DEBUG: applications: ['WWWBROWSER', 'MAILCLIENT', 'OFFICE', 'TERMINAL'] pyhoca-gui[31820] (x2gosession-pylib) DEBUG: published_applications: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: link: adsl pyhoca-gui[31820] (x2gosession-pylib) DEBUG: session_title: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: kbvariant: null pyhoca-gui[31820] (x2gosession-pylib) DEBUG: geometry: 800x600 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: rdp_options: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: cmd: KDE pyhoca-gui[31820] (x2gosession-pylib) DEBUG: convert_encoding: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: kblayout: us pyhoca-gui[31820] (x2gosession-pylib) DEBUG: xdmcp_server: localhost pyhoca-gui[31820] (x2gosession-pylib) DEBUG: pack: 16m-jpeg-9 pyhoca-gui[31820] (x2gosession-pylib) DEBUG: X2Go sshproxy parameters for profile x2goserver remote: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_look_for_keys: False pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_host: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_key_filename: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_user: pyhoca-gui[31820] (x2gosession-pylib) DEBUG: sshproxy_port: 22 pyhoca-gui[31820] (x2gosessregistry-pylib) NOTICE: registering X2Go session x2goserver remote... pyhoca-gui[31820] (x2gosessregistry-pylib) DEBUG: registering X2Go session with UUID b7addf6e-0607-11e3-9a51-001f3b7501c5 pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (PyHoca-GUI) NOTICE: [x2goserver remote - connect] Authentication has been successful. pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2goclient-pylib) INFO: Cannot find a terminal session for profile ,,x2goserver remote'' that can be used to query folder sharing capabilities pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: executing command on X2Go server ,,x2goserver remote'': sh -c "echo" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: executing command on X2Go server ,,x2goserver remote'': sh -c "echo" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "x2goresume-session browny-51-1376431640_stDKDE_dp32 800x600 adsl 16m-jpeg-9 us pc105/us 1" pyhoca-gui[31820] (x2goproxy-pylib) INFO: starting local NX3 proxy... pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: NX3 Proxy mode is server, cookie=1c9fefc425d6a2642e82326ed2df3c50, host=127.0.0.1, port=30004. pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: NX3 proxy writes session log to /home/browny/.x2go/S-browny-51-1376431640_stDKDE_dp32/session.log. pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: forking threaded subprocess: /usr/bin/nxproxy -S nx/nx,retry=5,composite=1,connect=127.0.0.1,clipboard=1,cookie=1c9fefc425d6a2642e82326ed2df3c50,port=56212,errors=/home/browny/.x2go/S-browny-51-1376431640_stDKDE_dp32/session.log:51 pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: waiting for proxy to come up: 0.4s x 1 pyhoca-gui[31820] (x2goproxy-pylib) ERROR: Bringing up NX3 proxy failed. pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: terminating proxy: <x2go.gevent_subprocess.Popen object at 0x278e290> pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gosession-pylib) NOTICE: Using session browny-51-1376431640_stDKDE_dp32 as master session for profile x2goserver remote. pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: Shutting down X2Go proxy subprocess pyhoca-gui[31820] (x2goproxy-pylib) DEBUG: Shutting down Paramiko/SSH forwarding tunnel pyhoca-gui[31820] (PyHoca-GUI) NOTICE: [x2goserver remote - resume] Resuming X2Go session... browny-51-1376431640_stDKDE_dp32 pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistmounts browny-51-1376431640_stDKDE_dp32" pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistmounts browny-51-1376431640_stDKDE_dp32" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "getent group fuse | cut -d":" -f4" pyhoca-gui[31820] (x2gocontrolsession-pylib) DEBUG: remote fuse group: ['winuser', 'probrowny', 'browny', 'notes', 'setupy', 'graciela', 'mb'] pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistsessions" pyhoca-gui[31820] (x2gocontrolsession-pylib) INFO: executing command on X2Go server ,,x2goserver remote'': sh -c "export HOSTNAME && x2golistmounts browny-51-1376431640_stDKDE_dp32" ^Cpyhoca-gui[31820] (PyHoca-GUI) NOTICE: Received Ctrl-C keyboard interrupt... Wait till PyHoca-GUI has exited cleanly. pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian client management loop... pyhoca-gui[31820] (x2gosessregistry-pylib) DEBUG: Forgetting session UUID aec27950-0607-11e3-9a51-001f3b7501c5 pyhoca-gui[31820] (x2gosessregistry-pylib) DEBUG: Forgetting session UUID b7addf6e-0607-11e3-9a51-001f3b7501c5 pyhoca-gui[31820] (x2goguardian-pylib) DEBUG: X2Go session guardian thread waking up after 65 seconds <x2go-user(a)lists.berlios.de> How can I debug this? is there a way to try starting the NX3 proxy by hand and see why it does not run? I love the pyhoca-gui tool by the way, seriously cool! I would appreciate any pointers how to solve this. Markus <x2go-user(a)lists.berlios.de>

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x2golxdebindings for squeeze relies on 'update-icon-caches' being available in it's postinst script
by Holger Krause 15 Aug '13

15 Aug '13

Dear all, I just wanted to update x2golxdebindings from version 1.0.1.3-0~x2go1+squeeze~main~30~build1 to 1.0.2.1-0~x2go1+squeeze~main~41~build1 on a squeeze system. Unfortunately, this results in an error: ---- root@perrin:~# aptitude install x2golxdebindings No packages will be installed, upgraded, or removed. 0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/5652 B of archives. After unpacking 0 B will be used. Selecting previously deselected package x2golxdebindings. (Reading database ... 76698 files and directories currently installed.) Preparing to replace x2golxdebindings 1.0.2.1-0~x2go1+squeeze~main~41~build1 (using .../x2golxdebindings_1.0.2.1-0~x2go1+squeeze~main~41~build1_all.deb) ... Unpacking replacement x2golxdebindings ... /var/lib/dpkg/info/x2golxdebindings.postrm: 35: update-icon-caches: not found dpkg: warning: subprocess old post-removal script returned error exit status 127 dpkg - trying script from the new package instead ... /var/lib/dpkg/tmp.ci/postrm: 35: update-icon-caches: not found dpkg: error processing /var/cache/apt/archives/x2golxdebindings_1.0.2.1-0~x2go1+squeeze~main~41~build1_all.deb (--unpack): subprocess new post-removal script returned error exit status 127 configured to not write apport reports /var/lib/dpkg/tmp.ci/postrm: 35: update- icon-caches: not found dpkg: error while cleaning up: subprocess new post-removal script returned error exit status 127 Processing triggers for desktop-file-utils ... Processing triggers for shared-mime-info ... Errors were encountered while processing: /var/cache/apt/archives/x2golxdebindings_1.0.2.1-0~x2go1+squeeze~main~41~build1_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: ---- I noticed the postinst script doesn't check for availability/executability of 'update-icon-caches'. The previous version (1.0.1.3) had been installed without any complains. Should I report this to the x2go bug tracker? As a workaround I installed 'libgtk2.0-bin', which contains '/usr/sbin/update-icon- caches'. (Perhaps x2golxdebindings should depend on this package?) Thanks for providing x2go! Holger

2 1

Missing Dependencies while installing on RHEL5
by Kermit Short 14 Aug '13

14 Aug '13

Greetings, I'm trying to install on 32 & 64 bit RHEL5. I've downloaded the RHEL5 repository file but when I try to install x2goserver, I get a dependency conflict on perl(Sys::Syslog). Apparently I do have a version of the perl module installed that's insufficient. When I try to install an upgraded version, I get a package conflict with Perl itself. Has anyone seen this? More importantly, has anyone found a work around? Thanks! -Kermit Short

1 1

Xwin start failure: unsafe environment error
by Gertjan Hofman 13 Aug '13

13 Aug '13

Hello, I am running 3.99.2.1 on Win-7 64 bit, accessing a Linux desktop locally. Worked fine for a while although I some time got an error which is not persistent: when connecting to the session I get: Xserver aborted due to an unsafe environment. Win was started with the following command line: (null). A quick google of the error brings me to the parsing the args of the x-server. Is the x-server being started with a wrong command line ? Is this an x2go issue or xwin ? If any one can tell me how to collect more info, much appreciated. Thanks Gertjan

2 1

emacs crashes on ctrl-g (visible bell)
by Thomas Güttler 09 Aug '13

09 Aug '13

Hi, I found a reproducable bug, which happens only if I connect via x2go: ssh -X user(a)opensuse12.3 emacs (GUI) ctrl-g (visible bell) ** (emacs:20636): WARNING **: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files X protocol error: BadValue (integer parameter out of range for operation) on protocol request 147 When compiled with GTK, Emacs cannot recover from X disconnects. This is a GTK bug: https://bugzilla.gnome.org/show_bug.cgi?id=85715 For details, see etc/PROBLEMS. X protocol error: BadValue (integer parameter out of range for operation) on protocol request 147 When compiled with GTK, Emacs cannot recover from X disconnects. This is a GTK bug: https://bugzilla.gnome.org/show_bug.cgi?id=85715 For details, see etc/PROBLEMS. x2goagent Version: 2:3.5.0.21-0~354~lucid1 x2goserver 4.1.0.0-0~771~lucid1 What can I do to get Emacs running? Thomas

1 0

Mac OS X client and ssh-agent?
by Tom Harris 08 Aug '13

08 Aug '13

Are others seeing the behavior I am? I have an open x2go session running and leave my computer for a while. When I return, the session has timed out and I get the dialog asking if I want to close it. But, when I close it and try to re-open a new session, it fails to connect. Only after I go to a terminal shell and kill the ssh-agent process does it re-connect. I am using password authentication, and it works fine after stopping ssh-agent. Is there some setting I have wrong?

1 0

x2go crashing with 10.6
by Noah 07 Aug '13

07 Aug '13

Hi there, x2goclient immediately crashes when running 10.6.8 any clues on how to troubleshoot this? --- here is the trace --- Process: launchd [9032] Path: /Applications/x2goclient.app/Contents/MacOS/x2goclient Identifier: launchd Version: ??? (???) Code Type: X86-64 (Native) Parent Process: launchd [210] Date/Time: 2013-08-07 13:28:14.194 -0700 OS Version: Mac OS X 10.6.8 (10K549) Report Version: 6 Interval Since Last Report: -2623391 sec Crashes Since Last Report: 20 Per-App Crashes Since Last Report: 21 Anonymous UUID: B26A6220-8495-4EFB-B2EA-FF5EDF69F04B Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0xfffffffffffffff8 Crashed Thread: Unknown Backtrace not available Unknown thread crashed with X86 Thread State (64-bit): rax: 0x0000000000000055 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x0000000000000000 rdi: 0x0000000000000000 rsi: 0x0000000000000000 rbp: 0x0000000000000000 rsp: 0x0000000000000000 r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x0000000000000000 r11: 0x0000000000000000 r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000 rip: 0x00007fff5fc01028 rfl: 0x0000000000010203 cr2: 0xfffffffffffffff8 Binary images description not available

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Re: [X2Go-User] Failure negotiating the session in stage '7'. Wrong version or invalid session authentication cookie.
by Kjell Otto 29 Jul '13

29 Jul '13

Hey Roland, I'm sorry but I'm quite busy right now. Following things to try: Kill all sessions on your server. Use the root command to list all users sessions with: sudo x2golistsessions_root Delete all involved users .Xauthority files. If you've got hanging sessions left, manually execute x2goterminatesessions with the ID. Make the x2goserver logging level to debug in /etc/x2go/x2xgoserver.conf Reboot the machine. Then open a new Master Session -> KDE or xterm, whatever.. Use the root command again to make sure it's known by the x2goserver. Then start the Shadow Session to the Master Session. Include as many logfiles as possible into a new mail to the mailing list. Greetings, Kjellski 2013/7/17 Roland Giesler <roland(a)giesler.za.net> > Kjell, thanks for your input so far. I was wondering if you have any > other suggestions to try and track this pesky problem down? > > regards > > Roland > > On Mon, Jul 15, 2013 at 12:32 PM, Roland Giesler <roland(a)giesler.za.net> > wrote: > > On Thu, Jul 11, 2013 at 8:07 PM, Kjell Otto <otto.kjell(a)gmail.com> > wrote: > >> Have you tried to delete the .Xauthority File in the users Homefolder? > > > > I have now. > > > > On the client I log: > > > > Loop: PANIC! The remote NX proxy closed the connection. > > Loop: PANIC! Failure negotiating the session in stage '7'. > > Loop: PANIC! Wrong version or invalid session authentication cookie. > > > > On the server, the session log shows: > > > > running as X2Go Agent > > > > NXAGENT - Version 3.5.0 > > > > Copyright (C) 2001, 2011 NoMachine. > > See http://www.nomachine.com/ for more information. > > > > Info: Agent running with pid '2543'. > > Session: Starting session at 'Mon Jul 15 11:50:05 2013'. > > Info: Proxy running in server mode with pid '2543'. > > Info: Waiting for connection from 'localhost' on port '30001'. > > Warning: Refusing connection from '192.168.1.3'. > > Error: Connection with remote host 'localhost' could not be established. > > Error: Aborting session with 'Unable to open display > > > 'nx/nx,options=/home/roland/.x2go/C-roland-50-1373881804_stDUNITY_dp24/options:50''. > > Session: Aborting session at 'Mon Jul 15 11:50:55 2013'. > > Session: Session aborted at 'Mon Jul 15 11:50:55 2013'. > > > > This makes me think. I port forward port 22 through the ADSL router > > (which has 192.168.1.1 as LAN ethernet address and the server has > > 192.168.1.3). Could this have something to do with the problem? What > > is port 30001 used for and should I allow that through the firewall? > > Surely port 22 should be enough? > > > > I have also turned apparmor off, but it makes no difference. > > > > thanks again > > > > Roland > > > >> > >> Please Try that first. Your log seems to be completely normal so far... > Do > >> you have a Desktop you can shadow to? I mean if there is no > MasterSession > >> opened, then you can't shadow it... > >> > >> Best regards, > >> Kjellski > >> > >> > >> 2013/7/11 Roland Giesler <roland(a)giesler.za.net> > >>> > >>> On Thu, Jul 11, 2013 at 9:22 AM, Kjell Otto <otto.kjell(a)gmail.com> > wrote: > >>> > Hi Roland, > >>> > > >>> > have you seen what's mentioned here: > >>> > > >>> > > http://developer.berlios.de/bugs/?func=detailbug&bug_id=18258&group_id=2978 > >>> > >>> Here's what my server log has. > >>> > >>> Jul 11 15:14:54 Ashton /usr/bin/x2golistdesktops[30895]: > >>> x2golistdesktops has been called without options > >>> Jul 11 15:14:54 Ashton /usr/bin/x2golistsessions[30899]: > >>> x2golistsessions has been called with options: x2goserver > >>> Jul 11 15:14:58 Ashton /usr/bin/x2gostartagent: x2gostartagent called > >>> with options: 1440x900 adsl 16m-jpeg-9 unix-kde-depth_24 us pc105/us 1 > >>> S 1XSHADrolandXSHAD:0 > >>> Jul 11 15:14:58 Ashton /usr/bin/x2gosessionlimit[30961]: > >>> x2gosessionlimit has been called > >>> Jul 11 15:14:58 Ashton /usr/bin/x2golistsessions[30964]: > >>> x2golistsessions has been called with options: --all-servers > >>> Jul 11 15:14:59 Ashton /usr/bin/x2gofeature: x2gofeature called with > >>> options: X2GO_RUN_EXTENSIONS > >>> Jul 11 15:14:59 Ashton > >>> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: > >>> x2goserver-extensions.features called with options: > >>> X2GO_RUN_EXTENSIONS > >>> Jul 11 15:15:00 Ashton /usr/bin/x2goserver-run-extensions: > >>> x2goserver-run-extensions called with options: > >>> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 pre-start > >>> Jul 11 15:15:00 Ashton /usr/bin/x2gostartagent: successfully started > >>> X2Go agent session with ID > >>> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 > >>> Jul 11 15:15:00 Ashton /usr/bin/x2gofeature: x2gofeature called with > >>> options: X2GO_RUN_EXTENSIONS > >>> Jul 11 15:15:00 Ashton > >>> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: > >>> x2goserver-extensions.features called with options: > >>> X2GO_RUN_EXTENSIONS > >>> Jul 11 15:15:00 Ashton /usr/bin/x2goserver-run-extensions: > >>> x2goserver-run-extensions called with options: > >>> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 post-start > >>> Jul 11 15:15:00 Ashton /usr/bin/x2gostartagent: blocking creation of > >>> agent's keyboard file > >>> > >>> > /home/roland/.x2go/C-roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24/keyboard > >>> as requested by session startup command > >>> Jul 11 15:15:52 Ashton /usr/bin/x2goumount-session[31487]: > >>> x2goumount-session has been called with options: > >>> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 > >>> Jul 11 15:15:54 Ashton /usr/bin/x2goumount-session[31524]: > >>> x2goumount-session has been called with options: > >>> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 > >>> Jul 11 15:17:01 Ashton CRON[31876]: (root) CMD ( cd / && run-parts > >>> --report /etc/cron.hourly) > >>> Jul 11 15:19:46 Ashton /usr/bin/x2golistdesktops[428]: > >>> x2golistdesktops has been called without options > >>> Jul 11 15:19:46 Ashton /usr/bin/x2golistsessions[432]: > >>> x2golistsessions has been called with options: x2goserver > >>> Jul 11 15:19:52 Ashton /usr/bin/x2gostartagent: x2gostartagent called > >>> with options: 1440x900 adsl 16m-jpeg-9 unix-kde-depth_24 us pc105/us 1 > >>> S 1XSHADrolandXSHAD:0 > >>> Jul 11 15:19:52 Ashton /usr/bin/x2gostartagent: client announced > >>> itself as ,,105.237.13.183'' > >>> Jul 11 15:19:52 Ashton /usr/bin/x2gostartagent: shadow session > >>> requested: mode 1, user: roland, desktop: :0 > >>> Jul 11 15:19:52 Ashton /usr/bin/x2gosessionlimit[496]: > >>> x2gosessionlimit has been called > >>> Jul 11 15:19:52 Ashton /usr/bin/x2golistsessions[499]: > >>> x2golistsessions has been called with options: --all-servers > >>> Jul 11 15:19:52 Ashton /usr/lib/x2go/x2gogetdisplays[513]: > >>> db_getdisplays called, server: Ashton; return value: > >>> Jul 11 15:19:52 Ashton /usr/lib/x2go/x2gogetports[523]: db_getports > >>> called, server: Ashton; return value: > >>> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertsession[550]: > >>> db_insertsession called, session ID: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, > >>> session ID: roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 > >>> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertport[562]: > >>> db_insertport called, session ID: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, SSH > >>> port: 30001 > >>> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertport[574]: > >>> db_insertport called, session ID: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, SSH > >>> port: 30002 > >>> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertport[587]: > >>> db_insertport called, session ID: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, SSH > >>> port: 30003 > >>> Jul 11 15:19:53 Ashton /usr/bin/x2gofeature: x2gofeature called with > >>> options: X2GO_RUN_EXTENSIONS > >>> Jul 11 15:19:53 Ashton > >>> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: > >>> x2goserver-extensions.features called with options: > >>> X2GO_RUN_EXTENSIONS > >>> Jul 11 15:19:53 Ashton /usr/bin/x2goserver-run-extensions: > >>> x2goserver-run-extensions called with options: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 pre-start > >>> Jul 11 15:19:53 Ashton /usr/bin/x2gostartagent: successfully started > >>> X2Go agent session with ID > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 > >>> Jul 11 15:19:53 Ashton /usr/bin/x2gofeature: x2gofeature called with > >>> options: X2GO_RUN_EXTENSIONS > >>> Jul 11 15:19:54 Ashton > >>> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: > >>> x2goserver-extensions.features called with options: > >>> X2GO_RUN_EXTENSIONS > >>> Jul 11 15:19:54 Ashton /usr/bin/x2goserver-run-extensions: > >>> x2goserver-run-extensions called with options: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 post-start > >>> Jul 11 15:19:54 Ashton /usr/lib/x2go/x2gocreatesession[680]: > >>> db_createsession called, session ID: > >>> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, cookie: > >>> 99946d36e5e8848f5f91951d5c1c6f67, client: xxx.yyy.13.183, pid: 645, > >>> graphics port: 30001, sound port: 30002, file sharing port: 30003 > >>> Jul 11 15:19:54 Ashton /usr/bin/x2gostartagent: blocking creation of > >>> agent's keyboard file > >>> > >>> > /home/roland/.x2go/C-roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24/keyboard > >>> as requested by session startup command > >>> > >>> That last line: Is that because of the error, or is it causing the > error? > >>> > >>> thanks > >>> > >>> Roland > >>> > >>> > >>> > > >>> > Wether it helps or not, it would be great to see the server side of > >>> > this, so > >>> > please post the corresponding entries of your /var/log/syslog after > >>> > configuring the x2goserver for debugging(set it in > >>> > /etc/x2go/x2goserver.conf). > >>> > > >>> > Nevertheless, the only Cookies I can think used by x2go are the MIT > >>> > magic > >>> > cookies of X... maybe try to delete the .Xauthority of the user > trying > >>> > to > >>> > log in and retry... > >>> > > >>> > Greetings, > >>> > @Kjellski > >>> > > >>> > > >>> > 2013/7/10 Roland Giesler <roland(a)giesler.za.net> > >>> >> > >>> >> I must have read every mailing list and other posts I could find on > >>> >> Google regarding this problem. Nowhere was anyone able to identify > >>> >> the actual cause and fix for this problem. > >>> >> > >>> >> How can this be? Does anyone know where the X2Go developer(s) hang > >>> >> out? > >>> >> > >>> >> thanks > >>> >> > >>> >> Roland Giesler > >>> >> +27 (0)72-450-2817 > >>> >> http://www.giesler.za.net > >>> >> > >>> >> Disclaimer: The sender invokes the rule of "exemptus > responsibilitus" > >>> >> pertaining to caffeine soluted inductions and/or decantations > thereof > >>> >> into tactile communication interfaces and alternative apparatuses > with > >>> >> respect to personal computation devices or otherwise implementations > >>> >> of electronic and/or bionic devices. This impartation is intended > for > >>> >> the addressed party, unless conditions contrary to the > aforementioned > >>> >> exist, in which case it is pertinent. Reduce without further ado to > >>> >> nothingness said impartation; alternatively "refrain from traversing > >>> >> the point of origination, be not enriched by 200 Randus and proceed > >>> >> without delay to enjailment". > >>> >> > >>> >> > >>> >> On Thu, Jul 4, 2013 at 10:25 PM, Roland Giesler < > roland(a)giesler.za.net> > >>> >> wrote: > >>> >> > bump. > >>> >> > > >>> >> > anyone with help? > >>> >> > > >>> >> > On Mon, Jul 1, 2013 at 11:36 PM, Roland Giesler > >>> >> > <roland(a)giesler.za.net> > >>> >> > wrote: > >>> >> >> This error is most annoying to say the least, since no-where on > the > >>> >> >> internet is an explaination of the cause nor the fix for it. > Some > >>> >> >> people seem to have managed to get past it by luck. > >>> >> >> > >>> >> >> This is an Ubuntu 12.04 64bit server that had nxserver install. > One > >>> >> >> day (probably after some update, but it was too long ago to undo > of > >>> >> >> trace now) the nxclient just stopped working. > >>> >> >> > >>> >> >> I left it after many futile attempt to fix it. I have completely > >>> >> >> removed (purged) openssh-server and nxserver, nxnode and > nxclient. > >>> >> >> Numerous times, apart from creating keys manually and more. > >>> >> >> > >>> >> >> So I though, let me switch to X2Go. And lo and behold, I get the > >>> >> >> same > >>> >> >> error. > >>> >> >> > >>> >> >> Strangely enough though, I can connect perfect to the server via > SSH > >>> >> >> every time. > >>> >> >> > >>> >> >> What causes this and how does one fix this please? > >>> >> >> > >>> >> >> regards > >>> >> >> > >>> >> >> Roland > >>> >> _______________________________________________ > >>> >> X2Go-User mailing list > >>> >> X2Go-User(a)lists.berlios.de > >>> >> https://lists.berlios.de/mailman/listinfo/x2go-user > >>> > > >>> > > >> > >> >

2 4

'Connection failed sh: 1: Syntax error: "(" unexpected'
by Barnet Wagman 28 Jul '13

28 Jul '13

I received the following error message while attempting to connect: Connection failed sh: 1: Syntax error: "(" unexpected x2go had been working correctly. I assume that some shell script got corrupted. Does anyone know what shells script get calls when x2go connects? The error appears in a popup window in the x2go client. thanks PS my configuration is Server: Debian wheezy xfce4 x2goserver 4.0.1.3-0 Client: OS X 10.7.5 MacPorts x2goclient.app 4.0.1.0

5 5

Howto get full access with x2godesktopsharing
by Buddy Butterfly 27 Jul '13

27 Jul '13

Hi all, first, thanks a lot for the great product. I recently discovered and installed it and it worked! With the help of this forum I was also able to do desktopsharing. Two issues are open: 1. How to get full access with x2godesktopsharing? 2. Directory mapping is not working. I add a directory in the client config but can not see the directory in /tmp on the server. Thanks an best regards, Matt

2 1

X2Go and ssh forwarding
by Andreas Yankopolus 27 Jul '13

27 Jul '13

I'm trying to figure out how to use X2Go to connect with a machine at a private IP address via a public ssh server. I'm currently using ssh authentication forwarding to get to that machine: ssh -A -t andreas(a)public.ip.address ssh -A andreas(a)private.ip.address Thanks, Andreas

3 9

Session resume fails with AFS home directories
by Sebastian Flothow 26 Jul '13

26 Jul '13

Hi all, I've just set up a Debian 7 box with X2Go. It does work in that it is possible to start new sessions, however, resuming a previous session does not work, it always results in this message: "The remote proxy closed the connection while negotiating the session. This may be due to the wrong authentication credentials passed to the server." I suspect this is due to the fact that home directories are stored in AFS (for regular users, that is; when logging in as root, whose home directory is on a local ext4 FS, resume does work). Accessing AFS requires an AFS token in the user's name, obtaining this in turn requires a Kerberos ticket. PAM is set up to obtain both automatically on login, but I guess something goes wrong there during session resume. Is it possible to add custom commands to the X2Go login/resume procedure? It would be quite helpful if the client could run klist and tokens through the ssh session, and either log or display the output. Thanks, Sebastian

2 1

Sharing the display between two different users in x2go remove session (xhost + / DISPLAY variable)
by Nigra Truo 18 Jul '13

18 Jul '13

Hi, I am logged in as user Tom via x2go on my server. And in this session, I su to user Peter and want Peter to be able to use the same X session, i.e. display GUIs. When I try this, it fails. I use xeyes as a test. Error: Can't open display: unix:1077.0 I used already xhost (as Tom), to give everybody the right to use Tom's X display. xhost + access control disabled, clients can connect from any host when I do a echo $DISPLAY as user Tom, I get: :75 If I do the same as user Peter, I get: unix:1077.0 how can I get user Peter to be able to share the GUI / X remote session via x2go from Tom? How is x2go handling the DISPLAY variable? I think there lies the problem, not in the permissions. What circumstance makes me need to get this working: I cannot open a separate x2go session for user Peter, which would definitely be easier. I have tried this locally, on the server directly, and when I use xhost + and set the display variable of Peter to the same as Tom, he can use Tom's display and display xeyes. Any pointers would be appreciated! thanks Markus

2 1

X2go keyboard layout
by Nicolas Fabre 15 Jul '13

15 Jul '13

Hi all, I struggled a little bit with keyboard layouts in x2go. I found a way to enable numpad on a gnome 3.4.2 session (on debian Wheezy). I will try to make a traduction from my french version : go to system settings -> keyboard -> keyboard layout options -> Miscellaneous compatibility options -> numpad keys are always numerical (really not sure about this one). Ask if you need to. Cheers -- Nicolas FABRE

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Re: [X2Go-User] Failure negotiating the session in stage '7'. Wrong version or invalid session authentication cookie.
by Roland Giesler 15 Jul '13

15 Jul '13

On Thu, Jul 11, 2013 at 8:07 PM, Kjell Otto <otto.kjell(a)gmail.com> wrote: > Have you tried to delete the .Xauthority File in the users Homefolder? I have now. On the client I log: Loop: PANIC! The remote NX proxy closed the connection. Loop: PANIC! Failure negotiating the session in stage '7'. Loop: PANIC! Wrong version or invalid session authentication cookie. On the server, the session log shows: running as X2Go Agent NXAGENT - Version 3.5.0 Copyright (C) 2001, 2011 NoMachine. See http://www.nomachine.com/ for more information. Info: Agent running with pid '2543'. Session: Starting session at 'Mon Jul 15 11:50:05 2013'. Info: Proxy running in server mode with pid '2543'. Info: Waiting for connection from 'localhost' on port '30001'. Warning: Refusing connection from '192.168.1.3'. Error: Connection with remote host 'localhost' could not be established. Error: Aborting session with 'Unable to open display 'nx/nx,options=/home/roland/.x2go/C-roland-50-1373881804_stDUNITY_dp24/options:50''. Session: Aborting session at 'Mon Jul 15 11:50:55 2013'. Session: Session aborted at 'Mon Jul 15 11:50:55 2013'. This makes me think. I port forward port 22 through the ADSL router (which has 192.168.1.1 as LAN ethernet address and the server has 192.168.1.3). Could this have something to do with the problem? What is port 30001 used for and should I allow that through the firewall? Surely port 22 should be enough? I have also turned apparmor off, but it makes no difference. thanks again Roland > > Please Try that first. Your log seems to be completely normal so far... Do > you have a Desktop you can shadow to? I mean if there is no MasterSession > opened, then you can't shadow it... > > Best regards, > Kjellski > > > 2013/7/11 Roland Giesler <roland(a)giesler.za.net> >> >> On Thu, Jul 11, 2013 at 9:22 AM, Kjell Otto <otto.kjell(a)gmail.com> wrote: >> > Hi Roland, >> > >> > have you seen what's mentioned here: >> > >> > http://developer.berlios.de/bugs/?func=detailbug&bug_id=18258&group_id=2978 >> >> Here's what my server log has. >> >> Jul 11 15:14:54 Ashton /usr/bin/x2golistdesktops[30895]: >> x2golistdesktops has been called without options >> Jul 11 15:14:54 Ashton /usr/bin/x2golistsessions[30899]: >> x2golistsessions has been called with options: x2goserver >> Jul 11 15:14:58 Ashton /usr/bin/x2gostartagent: x2gostartagent called >> with options: 1440x900 adsl 16m-jpeg-9 unix-kde-depth_24 us pc105/us 1 >> S 1XSHADrolandXSHAD:0 >> Jul 11 15:14:58 Ashton /usr/bin/x2gosessionlimit[30961]: >> x2gosessionlimit has been called >> Jul 11 15:14:58 Ashton /usr/bin/x2golistsessions[30964]: >> x2golistsessions has been called with options: --all-servers >> Jul 11 15:14:59 Ashton /usr/bin/x2gofeature: x2gofeature called with >> options: X2GO_RUN_EXTENSIONS >> Jul 11 15:14:59 Ashton >> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: >> x2goserver-extensions.features called with options: >> X2GO_RUN_EXTENSIONS >> Jul 11 15:15:00 Ashton /usr/bin/x2goserver-run-extensions: >> x2goserver-run-extensions called with options: >> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 pre-start >> Jul 11 15:15:00 Ashton /usr/bin/x2gostartagent: successfully started >> X2Go agent session with ID >> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 >> Jul 11 15:15:00 Ashton /usr/bin/x2gofeature: x2gofeature called with >> options: X2GO_RUN_EXTENSIONS >> Jul 11 15:15:00 Ashton >> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: >> x2goserver-extensions.features called with options: >> X2GO_RUN_EXTENSIONS >> Jul 11 15:15:00 Ashton /usr/bin/x2goserver-run-extensions: >> x2goserver-run-extensions called with options: >> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 post-start >> Jul 11 15:15:00 Ashton /usr/bin/x2gostartagent: blocking creation of >> agent's keyboard file >> >> /home/roland/.x2go/C-roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24/keyboard >> as requested by session startup command >> Jul 11 15:15:52 Ashton /usr/bin/x2goumount-session[31487]: >> x2goumount-session has been called with options: >> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 >> Jul 11 15:15:54 Ashton /usr/bin/x2goumount-session[31524]: >> x2goumount-session has been called with options: >> roland-50-1373548499_stS1XSHADrolandXSHADPP0_dp24 >> Jul 11 15:17:01 Ashton CRON[31876]: (root) CMD ( cd / && run-parts >> --report /etc/cron.hourly) >> Jul 11 15:19:46 Ashton /usr/bin/x2golistdesktops[428]: >> x2golistdesktops has been called without options >> Jul 11 15:19:46 Ashton /usr/bin/x2golistsessions[432]: >> x2golistsessions has been called with options: x2goserver >> Jul 11 15:19:52 Ashton /usr/bin/x2gostartagent: x2gostartagent called >> with options: 1440x900 adsl 16m-jpeg-9 unix-kde-depth_24 us pc105/us 1 >> S 1XSHADrolandXSHAD:0 >> Jul 11 15:19:52 Ashton /usr/bin/x2gostartagent: client announced >> itself as ,,105.237.13.183'' >> Jul 11 15:19:52 Ashton /usr/bin/x2gostartagent: shadow session >> requested: mode 1, user: roland, desktop: :0 >> Jul 11 15:19:52 Ashton /usr/bin/x2gosessionlimit[496]: >> x2gosessionlimit has been called >> Jul 11 15:19:52 Ashton /usr/bin/x2golistsessions[499]: >> x2golistsessions has been called with options: --all-servers >> Jul 11 15:19:52 Ashton /usr/lib/x2go/x2gogetdisplays[513]: >> db_getdisplays called, server: Ashton; return value: >> Jul 11 15:19:52 Ashton /usr/lib/x2go/x2gogetports[523]: db_getports >> called, server: Ashton; return value: >> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertsession[550]: >> db_insertsession called, session ID: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, >> session ID: roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 >> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertport[562]: >> db_insertport called, session ID: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, SSH >> port: 30001 >> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertport[574]: >> db_insertport called, session ID: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, SSH >> port: 30002 >> Jul 11 15:19:53 Ashton /usr/lib/x2go/x2goinsertport[587]: >> db_insertport called, session ID: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, server: Ashton, SSH >> port: 30003 >> Jul 11 15:19:53 Ashton /usr/bin/x2gofeature: x2gofeature called with >> options: X2GO_RUN_EXTENSIONS >> Jul 11 15:19:53 Ashton >> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: >> x2goserver-extensions.features called with options: >> X2GO_RUN_EXTENSIONS >> Jul 11 15:19:53 Ashton /usr/bin/x2goserver-run-extensions: >> x2goserver-run-extensions called with options: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 pre-start >> Jul 11 15:19:53 Ashton /usr/bin/x2gostartagent: successfully started >> X2Go agent session with ID >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 >> Jul 11 15:19:53 Ashton /usr/bin/x2gofeature: x2gofeature called with >> options: X2GO_RUN_EXTENSIONS >> Jul 11 15:19:54 Ashton >> /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: >> x2goserver-extensions.features called with options: >> X2GO_RUN_EXTENSIONS >> Jul 11 15:19:54 Ashton /usr/bin/x2goserver-run-extensions: >> x2goserver-run-extensions called with options: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24 post-start >> Jul 11 15:19:54 Ashton /usr/lib/x2go/x2gocreatesession[680]: >> db_createsession called, session ID: >> roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24, cookie: >> 99946d36e5e8848f5f91951d5c1c6f67, client: xxx.yyy.13.183, pid: 645, >> graphics port: 30001, sound port: 30002, file sharing port: 30003 >> Jul 11 15:19:54 Ashton /usr/bin/x2gostartagent: blocking creation of >> agent's keyboard file >> >> /home/roland/.x2go/C-roland-50-1373548792_stS1XSHADrolandXSHADPP0_dp24/keyboard >> as requested by session startup command >> >> That last line: Is that because of the error, or is it causing the error? >> >> thanks >> >> Roland >> >> >> > >> > Wether it helps or not, it would be great to see the server side of >> > this, so >> > please post the corresponding entries of your /var/log/syslog after >> > configuring the x2goserver for debugging(set it in >> > /etc/x2go/x2goserver.conf). >> > >> > Nevertheless, the only Cookies I can think used by x2go are the MIT >> > magic >> > cookies of X... maybe try to delete the .Xauthority of the user trying >> > to >> > log in and retry... >> > >> > Greetings, >> > @Kjellski >> > >> > >> > 2013/7/10 Roland Giesler <roland(a)giesler.za.net> >> >> >> >> I must have read every mailing list and other posts I could find on >> >> Google regarding this problem. Nowhere was anyone able to identify >> >> the actual cause and fix for this problem. >> >> >> >> How can this be? Does anyone know where the X2Go developer(s) hang >> >> out? >> >> >> >> thanks >> >> >> >> Roland Giesler >> >> +27 (0)72-450-2817 >> >> http://www.giesler.za.net >> >> >> >> Disclaimer: The sender invokes the rule of "exemptus responsibilitus" >> >> pertaining to caffeine soluted inductions and/or decantations thereof >> >> into tactile communication interfaces and alternative apparatuses with >> >> respect to personal computation devices or otherwise implementations >> >> of electronic and/or bionic devices. This impartation is intended for >> >> the addressed party, unless conditions contrary to the aforementioned >> >> exist, in which case it is pertinent. Reduce without further ado to >> >> nothingness said impartation; alternatively "refrain from traversing >> >> the point of origination, be not enriched by 200 Randus and proceed >> >> without delay to enjailment". >> >> >> >> >> >> On Thu, Jul 4, 2013 at 10:25 PM, Roland Giesler <roland(a)giesler.za.net> >> >> wrote: >> >> > bump. >> >> > >> >> > anyone with help? >> >> > >> >> > On Mon, Jul 1, 2013 at 11:36 PM, Roland Giesler >> >> > <roland(a)giesler.za.net> >> >> > wrote: >> >> >> This error is most annoying to say the least, since no-where on the >> >> >> internet is an explaination of the cause nor the fix for it. Some >> >> >> people seem to have managed to get past it by luck. >> >> >> >> >> >> This is an Ubuntu 12.04 64bit server that had nxserver install. One >> >> >> day (probably after some update, but it was too long ago to undo of >> >> >> trace now) the nxclient just stopped working. >> >> >> >> >> >> I left it after many futile attempt to fix it. I have completely >> >> >> removed (purged) openssh-server and nxserver, nxnode and nxclient. >> >> >> Numerous times, apart from creating keys manually and more. >> >> >> >> >> >> So I though, let me switch to X2Go. And lo and behold, I get the >> >> >> same >> >> >> error. >> >> >> >> >> >> Strangely enough though, I can connect perfect to the server via SSH >> >> >> every time. >> >> >> >> >> >> What causes this and how does one fix this please? >> >> >> >> >> >> regards >> >> >> >> >> >> Roland >> >> _______________________________________________ >> >> X2Go-User mailing list >> >> X2Go-User(a)lists.berlios.de >> >> https://lists.berlios.de/mailman/listinfo/x2go-user >> > >> > > >

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Failure negotiating the session in stage '7'. Wrong version or invalid session authentication cookie.
by Roland Giesler 11 Jul '13

11 Jul '13

This error is most annoying to say the least, since no-where on the internet is an explaination of the cause nor the fix for it. Some people seem to have managed to get past it by luck. This is an Ubuntu 12.04 64bit server that had nxserver install. One day (probably after some update, but it was too long ago to undo of trace now) the nxclient just stopped working. I left it after many futile attempt to fix it. I have completely removed (purged) openssh-server and nxserver, nxnode and nxclient. Numerous times, apart from creating keys manually and more. So I though, let me switch to X2Go. And lo and behold, I get the same error. Strangely enough though, I can connect perfect to the server via SSH every time. What causes this and how does one fix this please? regards Roland

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