x2go-user

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2322 discussions

Re: [X2Go-User] [X2Go-Dev] x2go in Chroot
by John A. Sullivan III 26 Apr '12

26 Apr '12

On Thu, 2012-04-26 at 15:31 -0400, senrabdet(a)aol.com wrote: > Hi All: > > We've seen some posts about trying to use x2go to connect into a > chroot environment (e.g., > http://comments.gmane.org/gmane.linux.terminal-server.x2go.user/516) > but could not determine if anyone had successfully found a way to make > this work. > > Our understanding is we can set up an entire Ubuntu Desktop > environment inside of chroot. > > Could we also install x2go server inside of this environment and > connect via x2go? > > If anyone has a procedure for doing this, please share? Thanks and > best, <snip> We run them inside of VServer which is sort of a glorified chroot. I have not had time to post the process on the wiki and won't for quite a while. However, I may have posted the procedure previously to the list. Perhaps if you search for X2Go and vserver. If nothing shows up, I'll see what I can dig out - John

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sed error on server
by Jon Schewe 26 Apr '12

26 Apr '12

When I try and connect to my server I get the following in a dialog on my client: Connection failed sed: -e expression #1, char 4: unterminated `s' command head: cannot open `/nfshomes/jschewe/.x2go/C-jschewe-55-1334857726_stDGNOME_dp32/cmdoutput' for reading: No such file or directory cat: /nfshomes/jschewe/.x2go/C-jschewe-55-1334857726_stDGNOME_dp32/cmdoutput: No such file or directory This is what is in the .x2go/C-jschewe-55-... directory: ./options ./session.log ./C-jschewe-55-1334857726_stDGNOME_dp32 ./C-jschewe-55-1334857726_stDGNOME_dp32/stats ./cache-unix-kde-depth_32 The session log is attached. It looks like the options file should be options:55 instead of options. I've tried this on two different systems using the OpenSUSE RPMS, both 11.4 and 12.1 http://download.opensuse.org/repositories/X11:/RemoteDesktop:/x2go/openSUSE… http://download.opensuse.org/repositories/X11:/RemoteDesktop:/x2go/openSUSE… Any suggestions? -- Jon Schewe | http://mtu.net/~jpschewe

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x2go wiki updated for 2 topics (sshd_config change in debian/ubuntu) and x2goserver-xsession
by brian mullan 26 Apr '12

26 Apr '12

Mike Already did that yesterday.. pls chk my wiki updates to see if they make sense though as I'd also added info concerning the need to now also install x2goserver-xsession if you want to use the remote server as a remote desktop which was a change from the past where all I had to do was install x2goserver package and everything "just worked". Brian ---------- Forwarded message ---------- From: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> To: x2go-user(a)lists.berlios.de Cc: Date: Wed, 25 Apr 2012 21:19:39 +0200 Subject: Re: [X2Go-User] ubuntu/debian - found reason for login failures that display error msg: "Access denied. Authentication that can continue: publickey, keyboard-interactive" Hi Brian, thanks for digging this out. Most of us devs are not using Ubuntu as server OS and if we do, it is still an Ubuntu lucid. So, please... could you put this into the X2Go wiki? Thanks, Mike

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(TCE) Problem open display
by Torsten Bade 26 Apr '12

26 Apr '12

Hi all, I have actually the problem to connect via TCE to the server (fresh install), when I use the normal Client under e.g. Ubuntu, there is no problem, I can connect, work etc. The problem itself is only with TCE and I'm running in circles. System Ubuntu 10.04 amd64, Gnome x2goserver/xsession: 3.1.0.1 x2gognomebindings: 2.0.1.3 Client boot up via pxe, everything perfect ... but then, when I try to connect: I get the popup Message : Connection failed head: cannot open /home/<username>/.x2go/C-XXXXXXXXXXX_stDGNOME-dp32/cmdoutput' for reading: No such file or directory sed: -e expression #1, char 4: unterminated 's' command. When I say 'Show details' I get: --->> SNIPP Show details <<--- Proxy running in client mode with pid xxx Session: Starting session at xxx Info: Connecting to remote host 'localhost:31252'. (Here I was confused about localhost) Connection timeout, abortingInfo: Aborting the procedure due to signal '15'. --->> SNAPP Show details <<--- --->> SNIPP User Session.log <<--- 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 '8932'. Session: Starting session at 'Fri Mar 16 18:28:17 2012'. Info: Proxy running in server mode with pid '8932'. Info: Waiting for connection from 'localhost' on port '30126'. Info: Aborting the procedure due to signal '1'. Error: Aborting session with 'Unable to open display 'nx/nx,options=/ofs/logon/torba/.x2go/C-torba-50-1331918896_stDGNOME_dp24/options:50''. Session: Aborting session at 'Fri Mar 16 18:28:50 2012'. Session: Session aborted at 'Fri Mar 16 18:28:50 2012'. --->> SNAPP <<--- I was so confused, that I added now the line: allowed_users=anybody into /etc/X11/Xwrapper.config ... but nothing I can connect via ssh -X to the server and get for e.g. libreoffice displayed on my local machine. I tried different users ... nope ...same. Hopefully somebody have a hint :) Thanks in advance Torsten

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ubuntu/debian - found reason for login failures that display error msg: "Access denied. Authentication that can continue: publickey, keyboard-interactive"
by brian mullan 25 Apr '12

25 Apr '12

In the past I and others have had no problem with x2go client logins to Ubuntu/Debian x2goservers. However, sometime n the past year or two of Ubuntu & Debian OS updates something changed which caused the normal x2goclient session profile that requires the UserID -and- Password to be entered would fail giving an error message on the client that says: *Access denied. Authentication that can continue: publickey,keyboard-interactive* I finally found out the reason for this change in behavior and here's how to fix it. Get a terminal session with your x2goserver and edit */etc/ssh/sshd_config* *sudo nano /etc/ssh/sshd_config* in /etc/ssh/sshd_config (example was copied from Ubuntu 12.04) you will see the following entries: *# Change to yes to enable challenge-response passwords (beware issues with # some PAM modules and threads) ChallengeResponseAuthenticatio**n yes # Change to no to disable tunnelled clear text passwords PasswordAuthentication no* To fix this CHANGE *PasswordAuthentication* to "*yes*" and save the file and restart ssh *sudo /etc/init.d/ssh restart* *REASON for the failure & change of behavior from previous/older versions of Ubuntu.* I installed several older versions of Ubuntu going back to Ubuntu 9.10 and found that the installations of the Ubuntu Server changed the content of the /etc/ssh/sshd_config file! In older systems the entry for PasswordAuthentication either said: *# Change to no to disable tunnelled clear text passwords # PasswordAuthentication no* where the PasswordAuthentication line *was commented out* ... which then defaulted it to "YES" *-or-* the Password Authentication line was actually uncommented BUT set to "YES" *# Change to no to disable tunnelled clear text passwords PasswordAuthentication yes* So those older OS versions and x2go *would work* using login ID's and Passwords. Sometime during one of the Ubuntu 11.x releases the PasswordAuthentication entry was actually changed to "no" as is the case in Ubuntu 12.04 servers and the line was left not commented out so it was active... *# Change to no to disable tunnelled clear text passwords PasswordAuthentication no * That is what caused the failure of x2go logins using passwords and would present the user with that error message: *Access denied. Authentication that can continue: publickey,keyboard-interactive* I've made this change now and no longer see the problem on my servers so I wanted to share this info. Brian

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ubuntu 12.04 beta 2 - gnomebindings install fails due to dependency problem
by brian mullan 22 Apr '12

22 Apr '12

I also noticed in Ubuntu 12.04 beta 2 that the x2go gnomebindings does not install fully. The only error message I see is that there are unmet dependencies.

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x2go debug syslog info - failed session on 12.04 ubuntu server and client using ppa:x2go/stable
by brian mullan 21 Apr '12

21 Apr '12

Background... For some time now I've been trying to get x2go client/server working ubuntu 12.04 beta 2. But I am consistently getting failed x2go session starts. Brand new client install of Ubuntu 12.04 desktop: - sudo add-apt-repository ppa:x2go/stable - sudo apt-get update - sudo apt-get install x2goclient Brand new Ubuntu 12.04 server with ubuntu-desktop installed - sudo apt-get install ubuntu-desktop - sudo add-apt-repository ppa:x2go/stable - sudo apt-get update - sudo apt-get install x2goserver On client: I start x2goclient and set Session type to Gnome I start the session and everything looks normal as I see my x2goclient display "running" then it just returns "Finished" and no real remote desktop session ever gets started. I enabled x2goserver debugging and the output is below. Can anyone decipher the messages and give me an idea why the session never starts fully on my client? thanks for any tips Brian ---------- x2go /var/log/syslog debug output from x2go ---------- bmullan@ip-10-64-34-228:~$ tail -f /var/log/syslog | grep x2go Apr 21 20:51:11 ip-10-64-34-228 /usr/bin/x2golistsessions[3946]: x2golistsessions has been called with no option Apr 21 20:51:11 ip-10-64-34-228 /usr/bin/x2gostartagent: x2gostartagent called with options: 800x600 lan 16m-jpeg-9 unix-kde-depth_24 us pc105/us 1 D GNOME Apr 21 20:51:11 ip-10-64-34-228 /usr/bin/x2gostartagent: client announced itself as ,,70.63.158.198'' Apr 21 20:51:12 ip-10-64-34-228 /usr/bin/x2gosessionlimit[3968]: x2gosessionlimit has been called Apr 21 20:51:13 ip-10-64-34-228 /usr/bin/x2golistsessions[3972]: x2golistsessions has been called with options: --all-servers Apr 21 20:51:14 ip-10-64-34-228 /usr/lib/x2go/x2gogetdisplays[4005]: db_getdisplays called, server: ip-10-64-34-228; return value: Apr 21 20:51:14 ip-10-64-34-228 /usr/lib/x2go/x2gogetports[4014]: db_getports called, server: ip-10-64-34-228; return value: Apr 21 20:51:15 ip-10-64-34-228 /usr/lib/x2go/x2goinsertsession[4032]: db_insertsession called, session ID: bmullan-50-1335041474_stDGNOME_dp24, server: ip-10-64-34-228, session ID: bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:16 ip-10-64-34-228 /usr/lib/x2go/x2goinsertport[4044]: db_insertport called, session ID: bmullan-50-1335041474_stDGNOME_dp24, server: ip-10-64-34-228, SSH port: 30001 Apr 21 20:51:16 ip-10-64-34-228 /usr/lib/x2go/x2goinsertport[4056]: db_insertport called, session ID: bmullan-50-1335041474_stDGNOME_dp24, server: ip-10-64-34-228, SSH port: 30002 Apr 21 20:51:17 ip-10-64-34-228 /usr/lib/x2go/x2goinsertport[4068]: db_insertport called, session ID: bmullan-50-1335041474_stDGNOME_dp24, server: ip-10-64-34-228, SSH port: 30003 Apr 21 20:51:17 ip-10-64-34-228 /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:17 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:17 ip-10-64-34-228 /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: bmullan-50-1335041474_stDGNOME_dp24 pre-start Apr 21 20:51:18 ip-10-64-34-228 /usr/bin/x2gostartagent: successfully started X2Go agent session with ID bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:18 ip-10-64-34-228 /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:18 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:19 ip-10-64-34-228 /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: bmullan-50-1335041474_stDGNOME_dp24 post-start Apr 21 20:51:20 ip-10-64-34-228 /usr/lib/x2go/x2gocreatesession[4169]: db_createsession called, session ID: bmullan-50-1335041474_stDGNOME_dp24, cookie: 9e8ae7b854c9c36c9e5cf0a9165793de, client: 70.63.158.198, pid: 4111, graphics port: 30001, sound port: 30002, file sharing port: 30003 Apr 21 20:51:23 ip-10-64-34-228 /usr/bin/x2goruncommand: x2goruncommand called with options: 50 4111 bmullan-50-1335041474_stDGNOME_dp24 30002 gnome-session nosnd D Apr 21 20:51:23 ip-10-64-34-228 /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:24 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:24 ip-10-64-34-228 /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: bmullan-50-1335041474_stDGNOME_dp24 pre-runcommand Apr 21 20:51:25 ip-10-64-34-228 /usr/bin/x2goserver-run-extensions: executing /usr/lib/x2go/extensions/pre-runcommand.d/005_GNOME-monitors-xml-ignore with option bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:26 ip-10-64-34-228 /usr/bin/x2goserver-run-extensions: /usr/lib/x2go/extensions/pre-runcommand.d/005_GNOME-monitors-xml-ignore (x2goserver-run-extensions) for session bmullan-50-1335041474_stDGNOME_dp24 has finished sucessfully Apr 21 20:51:26 ip-10-64-34-228 /usr/bin/x2goruncommand: running command /usr/bin/gnome-session Apr 21 20:51:27 ip-10-64-34-228 /usr/bin/x2gofeature: x2gofeature called with options: X2GO_XSESSION Apr 21 20:51:27 ip-10-64-34-228 /usr/bin/x2gomountdirs[4470]: x2gomountdirs has been called with options: dir bmullan-50-1335041474_stDGNOME_dp24 bmullan /home/bmullan/.x2go/ssh/key.TJ3110 /home/bmullan/.x2go/S-bmullan-50-1335041474_stDGNOME_dp24/spool__PRINT_SPOOL___REVERSESSH_PORT__30003 Apr 21 20:51:27 ip-10-64-34-228 /usr/bin/x2gomountdirs[4470]: mounting /tmp/spool_bmullan/bmullan-50-1335041474_stDGNOME_dp24, mount point type is print spool directory Apr 21 20:51:27 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_XSESSION Apr 21 20:51:28 ip-10-64-34-228 /usr/bin/x2gomountdirs[4470]: db_insertmount called, session ID: bmullan-50-1335041474_stDGNOME_dp24, path: /tmp/spool_bmullan/bmullan-50-1335041474_stDGNOME_dp24, client: 127.0.0.1; return value: 1 Apr 21 20:51:28 ip-10-64-34-228 /usr/bin/x2gomountdirs[4470]: executing: sshfs -o idmap=user,uid=`id -u`,gid=`id -g`,ServerAliveInterval=300,Cipher=blowfish,IdentityFile=/home/bmullan/.x2go/ssh/key.TJ3110,UserKnownHostsFile=/home/bmullan/.x2go/ssh/key.TJ3110.ident "bmullan"@127.0.0.1:"/home/bmullan/.x2go/S-bmullan-50-1335041474_stDGNOME_dp24/spool" "/tmp/spool_bmullan/bmullan-50-1335041474_stDGNOME_dp24" -p 30003 Apr 21 20:51:28 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver.features: x2goserver.features called with options: X2GO_XSESSION Apr 21 20:51:28 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-gnomebindings.features: x2goserver-gnomebindings.features called with options: X2GO_XSESSION Apr 21 20:51:28 ip-10-64-34-228 /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:28 ip-10-64-34-228 /usr/bin/x2gomountdirs[4470]: WARNING: mounting of /home/bmullan/.x2go/S-bmullan-50-1335041474_stDGNOME_dp24/spool failed Apr 21 20:51:29 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS Apr 21 20:51:29 ip-10-64-34-228 /usr/bin/x2gomountdirs[4470]: db_deletemount called, session ID: bmullan-50-1335041474_stDGNOME_dp24, path: /tmp/spool_bmullan/bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:29 ip-10-64-34-228 /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: bmullan-50-1335041474_stDGNOME_dp24 post-runcommand Apr 21 20:51:29 ip-10-64-34-228 /usr/bin/x2gofeature: x2gofeature called with options: X2GO_DESKTOPSHARING Apr 21 20:51:30 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_DESKTOPSHARING Apr 21 20:51:30 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver.features: x2goserver.features called with options: X2GO_DESKTOPSHARING Apr 21 20:51:30 ip-10-64-34-228 /usr/share/x2go/x2gofeature.d/x2goserver-gnomebindings.features: x2goserver-gnomebindings.features called with options: X2GO_DESKTOPSHARING Apr 21 20:51:31 ip-10-64-34-228 /usr/lib/x2go/x2gochangestatus[4605]: db_changestatus called, session ID: bmullan-50-1335041474_stDGNOME_dp24, new status: F Apr 21 20:51:31 ip-10-64-34-228 /usr/bin/x2gocmdexitmessage: x2gocmdexitmessage called with options: bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:31 ip-10-64-34-228 /usr/bin/x2goumount-session[4614]: x2goumount-session has been called with options: bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:32 ip-10-64-34-228 /usr/bin/x2goumount-session[4614]: db_getdisplay called, session ID: bmullan-50-1335041474_stDGNOME_dp24; return value: 50 Apr 21 20:51:32 ip-10-64-34-228 /usr/bin/x2gocmdexitmessage: command output starts with: Apr 21 20:51:33 ip-10-64-34-228 /usr/bin/x2goumount-session[4614]: db_getmounts called, session ID: bmullan-50-1335041474_stDGNOME_dp24; return value: Apr 21 20:51:33 ip-10-64-34-228 /usr/lib/x2go/x2golistsessions_sql[4619]: Purging finished session from X2Go db, session ID: bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:33 ip-10-64-34-228 /usr/sbin/x2gocleansessions[3019]: bmullan-50-1335041474_stDGNOME_dp24 is blocked Apr 21 20:51:33 ip-10-64-34-228 /usr/sbin/x2gocleansessions[3019]: bmullan-50-1335041474_stDGNOME_dp24: unmounting all shares Apr 21 20:51:34 ip-10-64-34-228 /usr/bin/x2goumount-session[4677]: x2goumount-session has been called with options: bmullan-50-1335041474_stDGNOME_dp24 Apr 21 20:51:34 ip-10-64-34-228 /usr/bin/x2goumount-session[4677]: db_getdisplay called, session ID: bmullan-50-1335041474_stDGNOME_dp24; return value: Apr 21 20:51:34 ip-10-64-34-228 /usr/bin/x2goumount-session[4677]: db_getmounts called, session ID: bmullan-50-1335041474_stDGNOME_dp24; return value:

1 0

help: Windows X2GO Client authenticating with ssh key
by Ramunas Berulis 18 Apr '12

18 Apr '12

Hello x2goclient.exe crashes every time during connect if ssh key is used for authentication . Pageant from putty is running as an agent with a key. Logging with putty works while using ssh key, but x2goclient crashes. I have also tried "Use RSA/DSA..." file without password - no luck . Please help to find out the way how to get it work ! Are there some requirements for ssh agent or key size or ... ? Regards Ramūnas

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Client for PowerPC Macs ?
by Mark Dammer 18 Apr '12

18 Apr '12

Is there a client that runs on PowerPC Macs with 10.4 "Tiger" installed ? I tried to install the latest 3.99 Mac client on an older G4 with "Tiger" installed, but the system complains that the software can not run on this computer (X11 is installed). Tried to download the older "Pre-GIT" image, but the image that was zipped seems to be corrupt: MacOS unzips the file, but fails to mount the resulting .dmg. thanks for any help, Mark

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Ubuntu Unity errors (11.10 and 12.04 beta 1)
by christoffer krakou 18 Apr '12

18 Apr '12

Hello there people I'm using x2go, and so far i'm loving it. there is one thing, though, that iffs me. When i'm using unity on ubuntu, the top global menu bar dosnt work like it does locally. On my local install, i can click the menu items, no problem. On the x2go session, i need to click and hold down the mouse button before i can use the menus, "letting go" when i activate a menu entry. Does anyone have any experience with this? Thanks in advance -- Venlig Hilsen / Best Regards Christoffer Krakou Fleten.net APS

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