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All windows nightly build .exe file have new time stamps?
by 4dacres＠gmail.com 09 May '22

09 May '22

Was looking at the nightly builds, and noticed that all the .exe files had the same date/time stamp (back to the 2019 builds). Is that expected?

1 0

Broker and file sharing
by Brian Sanders 08 May '22

08 May '22

I am looking at the settings in my x2gobroker-sessionprofiles.conf, and it seems to indicate the broker can set some defaults to turn off allowing printers, and filesystems to be shared. useexports=false print=false I have tried turning these on, and I don't believe they are working. Specifically if I connect to the broker, then a server it servs out. Once connected, I can use the x2go Client window's share folder button. In there I can define an export, and then highlight it and press share. This will then show up on the workstation. Am I missing something? What do these options do if not turn on/off the ability for the user to make these shares? If I wanted to disable these shares/printing, and then enable them for specific hosts by overriding it, are there other options I can activate to achieve this?

2 1

x2go server on debian: readonly partition
by Vikas Rawal 02 May '22

02 May '22

I am running x2go server on debian testing and connecting to it from another linux machine. Everything works fine but occasionally (approximately after 2-3 days of use over which I connect and disconnect from the client many times), the host machine says the /tmp/... is on a read-only partition, and everything stops working. x2go client does not connect when this happens. I can ssh to the server but nothing works on it. I am unable to even cleanly reboot the machine when that happens. I only need to physically hard-boot the machine. I don't know if this is happening because of x2go, but it never happened before I started dabbling with x2go. Is this a known problem? Any ideas about how to debug? V.

3 8

Suspend on disconnect
by Vikas Rawal 30 Apr '22

30 Apr '22

Does x2go cleanly suspend if the client loses connection or the laptop running the client is just suspended by turning the screen shut? Do the user systemd services keep running when x2go session is suspended? Something like what would happen when a tmux/screen session is detached. V.

2 2

Unlock screen in KDE
by Klaus Vink Slott 24 Apr '22

24 Apr '22

Not really a X2go problem, but we use X2go at the IT University of Copenhagen. I prefer to use it with KDE, and apart from the slow startup it works really well against our Centos 8 servers. As I mostly like to run full screen to ensure that Alt+Tab and other shortcut operates as expected. But this gives one problem: When I leave my workstation I am used to lock my keyboard by pressing Ctl+Alt+l but this in full screen this locks the remote desktop - and I find no way to unlocking it again. As a workaround I changed the lock keycombination on the remote, but I would like some proper way to unlock the remote. Any suggestions? -- Regards Klaus

1 0

glx
by Vikas Rawal 23 Apr '22

23 Apr '22

Are there any updated instructions for this: https://wiki.x2go.org/doku.php/wiki:development:glx-xlib-workaround ? I am unable to build the mesa driver on debian testing. The recent versions do not allow the option "glx=gallium-xlib" while the older versions do not build. Has anyone tried this recently? Unfortunately several of the applications I use are not working because of this. V.

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Has anyone successfully launched bspwm?
by Jeff Sadowski 01 Apr '22

01 Apr '22

I should just be able to select custom desktop and run /usr/bin/bspwm right?

1 0

Unlock or disable KDE Screen saver
by Klaus Vink Slott 01 Apr '22

01 Apr '22

Hello Anyone found a way to disable the KDE screen saver or know how to unlock the damm thing? I have disabled the timer based lock. But when I leave my desk at work, I have always been used to hit Ctrl, Alt, L and the screen locks. This is very difficult to unlearn and when I do lock it, I have found absolutely no way to unlock the screen without killing the remote desktop. -- Regards Klaus

1 0

Sessions can't be suspended, disconnected sessions can't be resumed.
by Hakan Bayındır 19 Mar '22

19 Mar '22

Hello all, I'm having a strange problem with a long-running X2Go installation. Users cannot resume their "disconnected" sessions. The client/server starts a new, clean one for them. I've debugged the issue but I was unable to paint a coherent picture. Here what I've found: - Disconnected sessions are still active and they're in suspended state. / tmp/.x2go-$USER/$SESSIONPATH/state files show "SUSPENDED" for the same sessions which are running at the background. - However "TERMINATED" sessions are not cleaned. They've piled up. - "x2golistsessions_root" returns empty, even if there are active, running sessions. Running "x2golistsessions" under a session via user also returns empty. - The SQLite3 database in /var/lib/x2go is empty except "used_ports" table. Even in that table there are stale entries, but the list is not very long. - x2gocleansessions logs only show usual session startup woes. - unresumable sessions show that the connection has disconnected unexpectedly, hence X2Go did normal resuming operations. - Suspending a session via client fails. Clicking close button does nothing, right clicking to tray icon and selecting suspend shows an error dialogue: "Failed to suspend with session ID $USERNAME-$DISPLAY-$ID-$DE-$COLORDEPTH" (It's properly populated, so the ID is there). The thing is getting more complicated since none of the commands have help, verbose outputs and cannot debug anything very deeply. I've deployed this thing to much larger systems before, and it was also working flawlessly here, and I'm at loss currently. Lastly, the OS is CentOS 7, and it's updates to top patch level, including the latest X2Go server release done a today or a couple of days ago. Any help is greatly appreciated, Cheers, Hakan

2 2

packages.x2go.org ipv6 problem
by richard lucassen 18 Mar '22

18 Mar '22

I have no idea where to report but the ipv6 stack of packages.x2go.org does not reply: $ host packages.x2go.org packages.x2go.org is an alias for ymir.das-netzwerkteam.de. ymir.das-netzwerkteam.de has address 148.251.201.107 ymir.das-netzwerkteam.de has IPv6 address 2a01:4f8:202:1381::107 $ telnet packages.x2go.org 80 Trying 2a01:4f8:202:1381::107... ^C $ telnet -4 packages.x2go.org 80 Trying 148.251.201.107... Connected to ymir.das-netzwerkteam.de. Escape character is '^]'. ^] telnet> q Connection closed. R. -- richard lucassen http://contact.xaq.nl/

2 1

webgl on a browser through x2go
by Brent S. Elmer Ph.D. 14 Mar '22

14 Mar '22

When I try to run a web browser through an x2go session, I get an error in the browser saying webgl is not enabled. Is there any way to make this work or will it not work through x2go? Brent

2 3

x2go HTML client
by Dj ZU 02 Mar '22

02 Mar '22

Hi there, I am trying to set up x2go HTML client on Ubuntu server following instructions provided there: https://wiki.x2go.org/doku.php/wiki:advanced:x2gohtmlclient Nginx web server configuration is OK. After hitting "START X2GO CLIENT", I see the splash screen and the message "Connecting as <USER> to <SERVER>...". Firefox browser console outputs the following error: Uncaught SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data onreadystatechange https:// <SERVER>/assets/js/x2gokdriveclient.min.js:500 startXHRRequest https://<SERVER>/assets/js/x2gokdriveclient.min.js:496 startX2GoConnection https:// <SERVER>/assets/js/x2gokdriveclient.min.js:512 setStartCallback https://<SERVER>/assets/js/x2gokdriveclient.min.js:44 setStartCallback https://<SERVER>/assets/js/x2gokdriveclient.min.js:41 X2GoHTMLClient https://<SERVER>/assets/js/x2gokdriveclient.min.js:494 main https://<SERVER>/assets/js/x2gokdriveclient.min.js:538 <anonymous> https://<SERVER>/assets/js/x2gokdriveclient.min.js:539 I read this thread: https://lists.x2go.org/pipermail/x2go-user/2021-May/006526.html But I also read this: https://wiki.x2go.org/doku.php/wiki:development:roadmap Should I build x2gokdrive or should I give up? Thanks and best regards, Jérôme

1 0

Re: [X2Go-User] X2Go Window is Frozen When Connecting to RockyLinux 8.5 System Running XFCE
by Joe W 27 Feb '22

27 Feb '22

Turning off compositing fixed it. Thanks! ________________________________ From: Norman Gaywood <Norm.Gaywood(a)une.edu.au> Sent: Sunday, February 27, 2022 4:17 PM To: Joe W <jsw140(a)hotmail.com>; x2go-user(a)lists.x2go.org <x2go-user(a)lists.x2go.org> Subject: Re: X2Go Window is Frozen When Connecting to RockyLinux 8.5 System Running XFCE Two things to check: - Make sure compositing is disabled: https://gitlab.xfce.org/xfce/xfwm4/-/issues/551 - Disable the the screen saver. xfce4-screensaver and xscreensaver I found both these hang an x2go session. ________________________________________ From: x2go-user <x2go-user-bounces(a)lists.x2go.org> on behalf of Joe W <jsw140(a)hotmail.com> Sent: Monday, 28 February 2022 2:19 AM To: x2go-user(a)lists.x2go.org Subject: [X2Go-User] X2Go Window is Frozen When Connecting to RockyLinux 8.5 System Running XFCE I am having a problem with connecting via X2Go with a system that I just installed Rocky Linux 8.5 onto. I am using the XFCE desktop. I have included the debug log. It opens to the desktop but then the window is basically frozen. The most I can do is open a terminal and it takes many seconds to do that. In the debug window the following two lines are being continuously repeated over and over: x2go-DEBUG-../src/onmainwindow.cpp:11224> "Searching proxy window: X2GO-abc-59-1645974877_stDXFCE_dp32" x2go-DEBUG-../src/onmainwindow.cpp:12829> "Searching window with title: X2GO-abc-59-1645974877_stDXFCE_dp32" X2go on server is 4.1.0.3 X2go client on windows 10 system is 4.1.2.0 I have had problems connecting to other systems with the 4.1.2.2 Windows client so I am using an older one. Any ideas what is going on and how to fix? Thanks

1 0

X2Go Window is Frozen When Connecting to RockyLinux 8.5 System Running XFCE
by Joe W 27 Feb '22

27 Feb '22

I am having a problem with connecting via X2Go with a system that I just installed Rocky Linux 8.5 onto. I am using the XFCE desktop. I have included the debug log. It opens to the desktop but then the window is basically frozen. The most I can do is open a terminal and it takes many seconds to do that. In the debug window the following two lines are being continuously repeated over and over: x2go-DEBUG-../src/onmainwindow.cpp:11224> "Searching proxy window: X2GO-abc-59-1645974877_stDXFCE_dp32" x2go-DEBUG-../src/onmainwindow.cpp:12829> "Searching window with title: X2GO-abc-59-1645974877_stDXFCE_dp32" X2go on server is 4.1.0.3 X2go client on windows 10 system is 4.1.2.0 I have had problems connecting to other systems with the 4.1.2.2 Windows client so I am using an older one. Any ideas what is going on and how to fix? Thanks

1 0

font path not set correctly
by Hanno Foest 19 Feb '22

19 Feb '22

Hi, after setting up a new remote x2go instance (using Devuan) I noticed that xterm complained xterm: cannot load font "-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso10646-1" I traced the issue to the font path (displayed with xset q) missing /usr/share/fonts/X11/misc, so I added it with xset +fp /usr/share/fonts/X11/misc and things started behaving normally again. - But: Where is the font path in x2go actually being set? I'm not sure if some autoconfiguration failed, or if it's a compile time issue, or something else. - For the same issue there's a bug report in Ubuntu, see https://bugs.launchpad.net/ubuntu/+source/x2goserver/+bug/1891825 and especially the remark about the man page at the end. Hanno

2 2

Display Going Black When Clicking on Certain Windows on remote system
by Joe W 30 Jan '22

30 Jan '22

I use X2Go to connect from my local Linux system to some remote Centos 7 systems where I run Cadence Virtuoso software. As far as I know the systems and X2Go are set up the same. Systems have the latest OS patches. X2go was installed from Epel repo. client is v. 4.1.1.1-1.el7 server is4.1.0.3-9.el7 There is one system that I connect to where when I start the X2Go session then the screen goes black for a second or two. When I run Virtuoso on that system then whenever I click on the main Virtuoso window or a Virtuoso graphics window then my screen goes black. If I click outside the Virtuoso window then the screen reappears. If I click on the Virtuoso library manager window then the screen stays on. Note that I am running X2Go windowed but my entire screen goes black, not just the X2go window. Any suggestions what could be going wrong and how to debug it? I do not know how to turn on debugging in the Linux version. I am wondering if it is something weird with the color palette since it only happens for certain windows. I can connect to other systems without issue that are set up the same. Thanks

4 4

X2Go TCE pxe complications
by MacGregor Family 30 Jan '22

30 Jan '22

Hello, I have been given a couple of Termtek TK-3550 thin clients and I am trying to set them up to open into my Ubuntu 20.04 server at my home over our ethernet LAN. These devices don't have much memory so I have been following the instructions to install the "Classic, NFS- filesystem-based X2Go TCE". I have setup a Virtual Box VM, running Ubuntu 20.04 with a bridged network adapter and a permanent IP address, to be the pxe server. I have followed the instructions as best I was able but I am still having difficulties. I think one problem is likely to be that our cheap router, which provides our DHCP server, does not allow me to nominate the "next- server" or the filename. In an attempt to address this I have installed dnsmasq on the pxe server VM and am running dnsmasq. The dnsmasq.conf is as follows: port=0 log-dhcp dhcp-range=192.168.1.0,proxy dhcp-boot=pxelinux.0 enable-tftp tftp-root=/srv/tftp (I have also tried tftp- root=/opt/x2gothinclient/chroot on this line) The thin client is set to boot over LAN and the dhcp-log on the pxe server looks like this when I turn the thin client on: I'm clearly a complete novice but it seems the thin client is finding its way to the pxe server. Unfortunately the thin client trys to boot until it times out, reporting: "No boot filename received". It then just boots its decades old version of Windows CE. Note that when I changed the tftp-root path in dnsmasq from /opt/x2gothinclient/chroot to /srv/tftp it had some effect on the dhcp log (it nominated its terminal id in a second line) but the nett result did not change. I should add that I have exported both /opt/x2gothinclient/chroot and /srv/tftp with the NFS server. I only switched to /srv/tftp because that's where pxelinux.0 is and I assume that is the file it is looking for and failing to find. Basically I have been trying to get this working for a couple of days without success, I have decided to seek expert help. I apologise for my ignorance, I understand that hobbists like myself are probably incredibly annoying. Regards Stuart MacGregor

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Re: [X2Go-User] x2go-user Digest, Vol 93, Issue 15
by Sherry Leithner 29 Jan '22

29 Jan '22

Thank you for your quick response, looks like we need to update nx_libs /tmp/x2go-username have grown to: 2.7G /tmp/.x2go-aharper 1.6G /tmp/.x2go-iobrien We are currently running: nx-libs.x86_64 3.5.99.25-2.el7 @epel7-x86_64-20210128 Sincerely, Sherry Leithner Computer Systems Specialist Petroleum Abstracts At The University of Tulsa 918-631-3011 Cell: 918-691-1738 ________________________________ From: x2go-user <x2go-user-bounces(a)lists.x2go.org> on behalf of x2go-user-request(a)lists.x2go.org <x2go-user-request(a)lists.x2go.org> Sent: Friday, January 28, 2022 5:00 AM To: x2go-user(a)lists.x2go.org <x2go-user(a)lists.x2go.org> Subject: x2go-user Digest, Vol 93, Issue 15 Send x2go-user mailing list submissions to x2go-user(a)lists.x2go.org To subscribe or unsubscribe via the World Wide Web, visit https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.x2g… or, via email, send a message with subject or body 'help' to x2go-user-request(a)lists.x2go.org You can reach the person managing the list at x2go-user-owner(a)lists.x2go.org When replying, please edit your Subject line so it is more specific than "Re: Contents of x2go-user digest..." Today's Topics: 1. Change TMPDIR from /tmp to /app (Sherry Leithner) 2. Re: Change TMPDIR from /tmp to /app (Ulrich Sibiller) ---------------------------------------------------------------------- Message: 1 Date: Thu, 27 Jan 2022 14:17:01 +0000 From: Sherry Leithner <Sherry.Leithner(a)energyabstracts.com> To: "x2go-user(a)lists.x2go.org" <x2go-user(a)lists.x2go.org> Subject: [X2Go-User] Change TMPDIR from /tmp to /app Message-ID: <DM6PR08MB3948C388A3EF20424403D884E8219(a)DM6PR08MB3948.namprd08.prod.outlook.com> Content-Type: text/plain; charset="iso-8859-1" x2go creates large files in /tmp/.x2go-username when a session is saved. This is causing us difficulty because /tmp is filling up and users cannot log in. Our /tmp directory is too small and I don't have access to increase it currently. We need to change the default tmp directory from /tmp to /app. I have set TMPDIR in my .profile, /etc/profile and also in /etc/x2go/Xsession to /app .profile export TMPDIR=/app/ Xsession variables initialize variables for use by all session scripts OPTIONFILE=/etc/x2go/Xsession.options SYSRESOURCES=/etc/x2go/Xresources USRRESOURCES=$HOME/.Xresources-x2go SYSSESSIONDIR=/etc/x2go/Xsession.d USERXSESSION=$HOME/.xsession-x2go USERXSESSIONRC=$HOME/.xsessionrc-x2go ALTUSERXSESSION=$HOME/.Xsession-x2go ERRFILE="${HOME}/.xsession-x2go-${cur_hostname}-errors" TMPDIR=/app The session still creates the tmp files in /tmp The x2go process which is running: leithner 16137 1 0 11:23 ? 00:00:00 sshfs -o idmap=user,uid=1007,gid=1001,default_permissions,ServerAliveInterval=300,IdentityFile=/home/leithner/.x2go/ssh/key.p14092,UserKnownHostsFile=/home/leithner/.x2go/ssh/key.p14092.ident SLeithne@127.0.0.1:/cygdrive/C/Users/SLeithne/X2GO~1/S-2E61~1/spool /tmp/.x2go-leithner/spool/C-leithner-50-1643045018_stDXFCE_dp32 -p 50660 leithner@entrada:/app$ echo $TMPDIR /app Where should I be changing this variable? Can it be changed? Thank you for any help. Sincerely, Sherry Leithner Computer Systems Specialist Petroleum Abstracts At The University of Tulsa 918-631-3011 Cell: 918-691-1738

2 1

Change TMPDIR from /tmp to /app
by Sherry Leithner 27 Jan '22

27 Jan '22

x2go creates large files in /tmp/.x2go-username when a session is saved. This is causing us difficulty because /tmp is filling up and users cannot log in. Our /tmp directory is too small and I don't have access to increase it currently. We need to change the default tmp directory from /tmp to /app. I have set TMPDIR in my .profile, /etc/profile and also in /etc/x2go/Xsession to /app .profile export TMPDIR=/app/ Xsession variables initialize variables for use by all session scripts OPTIONFILE=/etc/x2go/Xsession.options SYSRESOURCES=/etc/x2go/Xresources USRRESOURCES=$HOME/.Xresources-x2go SYSSESSIONDIR=/etc/x2go/Xsession.d USERXSESSION=$HOME/.xsession-x2go USERXSESSIONRC=$HOME/.xsessionrc-x2go ALTUSERXSESSION=$HOME/.Xsession-x2go ERRFILE="${HOME}/.xsession-x2go-${cur_hostname}-errors" TMPDIR=/app The session still creates the tmp files in /tmp The x2go process which is running: leithner 16137 1 0 11:23 ? 00:00:00 sshfs -o idmap=user,uid=1007,gid=1001,default_permissions,ServerAliveInterval=300,IdentityFile=/home/leithner/.x2go/ssh/key.p14092,UserKnownHostsFile=/home/leithner/.x2go/ssh/key.p14092.ident SLeithne@127.0.0.1:/cygdrive/C/Users/SLeithne/X2GO~1/S-2E61~1/spool /tmp/.x2go-leithner/spool/C-leithner-50-1643045018_stDXFCE_dp32 -p 50660 leithner@entrada:/app$ echo $TMPDIR /app Where should I be changing this variable? Can it be changed? Thank you for any help. Sincerely, Sherry Leithner Computer Systems Specialist Petroleum Abstracts At The University of Tulsa 918-631-3011 Cell: 918-691-1738

2 1

session freezing
by Neal Becker 26 Jan '22

26 Jan '22

Client and server are both Fedora 35. xfce session. This setup has worked for years. An SSD failed on the server, and after re-installing F35 on it, now x2go session keeps freezing. Seems to happen at least when it is left running unattended. The x2go screen is shown, but unable to get focus into any window, click on any icon. Suspend/unsuspend does not fix it. Only terminate and restart fixes it. Any suggestions? Thanks, Neal -- *Those who don't understand recursion are doomed to repeat it*

3 4

Change TMPDIR from /tmp to /app
by Sherry Leithner 26 Jan '22

26 Jan '22

x2go creates large files in /tmp/.x2go-username when a session is saved. This is causing us difficulty because /tmp is filling up and no users can log in. Our /tmp directory is too small and I don't have access to increase it. We need to change the default tmp directory from /tmp to /app. I have set TMPDIR in my .profile, /etc/profile and also in /etc/x2go/Xsession to /app .profile export TMPDIR=/app/ Xsession variables initialize variables for use by all session scripts OPTIONFILE=/etc/x2go/Xsession.options SYSRESOURCES=/etc/x2go/Xresources USRRESOURCES=$HOME/.Xresources-x2go SYSSESSIONDIR=/etc/x2go/Xsession.d USERXSESSION=$HOME/.xsession-x2go USERXSESSIONRC=$HOME/.xsessionrc-x2go ALTUSERXSESSION=$HOME/.Xsession-x2go ERRFILE="${HOME}/.xsession-x2go-${cur_hostname}-errors" TMPDIR=/app The session still creates the tmp files in /tmp The x2go process which is running: leithner 16137 1 0 11:23 ? 00:00:00 sshfs -o idmap=user,uid=1007,gid=1001,default_permissions,ServerAliveInterval=300,IdentityFile=/home/leithner/.x2go/ssh/key.p14092,UserKnownHostsFile=/home/leithner/.x2go/ssh/key.p14092.ident SLeithne@127.0.0.1:/cygdrive/C/Users/SLeithne/X2GO~1/S-2E61~1/spool /tmp/.x2go-leithner/spool/C-leithner-50-1643045018_stDXFCE_dp32 -p 50660 leithner@entrada:/app$ echo $TMPDIR /app Where should I be changing this variable? Can it be changed? Thank you for any help. Sherry Leithner

1 0

Mac Client SSL
by Brian Sanders 24 Jan '22

24 Jan '22

I have been working on getting a Mac client connected to my broker and workstations, and have found that this client specifically seems to be using very old openssl options. I have had to update my servers to get the SSH connections to work, and even had to do some patching to the broker-daemon to force it to use TLSv1 to support these clients. I don't have either of these issues with my Ubuntu client, so I am even running two broker daemons on different ports just so these clients can have weaker options. Is there a newer client, for Mac, or can one be compiled with the exact same client code, just with update libraries for ssl? My edits thus far are as follows to support this version: x2go-server: add +diffie-hellman-group14-sha1 to sshd_config x2go-broker-daemon (whith https certs): Force TLSv1 to be supported, and update ciphers to allow security level 1 (needed for TLS1) + context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) + context.set_ciphers("DEFAULT:@SECLEVEL=1") + context.load_cert_chain(x2gobroker.defaults.X2GOBROKER_SSL_CERTFILE, x2gobroker.defaults.X2GOBROKER_KEYFILE) + http_server = tornado.httpserver.HTTPServer(application, ssl_options=context)

1 0

Auto-login assistance
by Brian Sanders 19 Jan '22

19 Jan '22

I am trying to get the broker to work with the auto login feature, and I can't seem to get it to work. I am using an ansible playbook and building a broker, and then 2 workstations. I setup wks1 to autologin and wks2 with out. I can use wks2 just fine, but when I try and use wk1, It seems the new key is added, and the workstation indicates that it accepts a session for my user. However the X2go client then shows me a login/password box rather than logging me into the session. I have logs from the server and the workstation, can someone help point me in the right direction? Session configuration: [DEFAULT] command=TERMINAL defsndport=true useiconv=false iconvfrom=UTF-8 height=600 width=800 export= quality=9 fullscreen=false layout= useexports=true speed=2 soundsystem=pulse print=true type=auto sndport=4713 xinerama=true variant= usekbd=true fstunnel=true applications=TERMINAL,WWWBROWSER,MAILCLIENT,OFFICE multidisp=false sshproxyport=22 sound=true rootless=true iconvto=UTF-8 soundtunnel=true dpi=96 sshport=22 setdpi=0 pack=16m-jpeg directrdp=false user=BROKER_USER [[wks1]] acl-groups-allow=test_group broker-session-autologin=true command=xfce host=192.168.56.228 name=Molecule Wks1 [[wks2]] command=xfce host=192.168.56.229 name=Molecule Wks2 Broker logs: ==> /var/log/x2gobroker/broker.log <== 2022-01-18 13:45:07,395 - broker - INFO - client address is 192.168.56.1 2022-01-18 13:45:07,397 - broker - DEBUG - broker_username: brians, server_username: brians, password: XXXXX, task: selectsession, profile_id: [wks1, cookie: 83ddbd2d-c4ca-4f22-bb0b-b3629d522fc5 2022-01-18 13:45:07,397 - broker - DEBUG - base_broker.X2GoBroker.check_access(): checking if our configured cookie was submitted: False 2022-01-18 13:45:07,397 - broker - DEBUG - base_broker.X2GoBroker.check_access(): found valid auth key for user cookie: brians_83ddbd2d-c4ca-4f22-bb0b-b3629d522fc5 2022-01-18 13:45:07,398 - broker - DEBUG - base_broker.X2GoBroker.check_access(): Giving cookie: 0ca4bea5-f216-4f59-ae6b-1e103243814e to ip 192.168.56.1 2022-01-18 13:45:07,402 - broker - DEBUG - base_broker.X2GoBroker.get_agent_query_mode(): found default-agent-query-mode in global config section: ssh 2022-01-18 13:45:07,407 - broker - DEBUG - base_broker.X2GoBroker.get_agent_hostkey_policy(): found default-agent-hostkey-policy in global config section: WarningPolicy 2022-01-18 13:45:07,475 - broker - INFO - Executing agent command on remote host 192.168.56.228 (192.168.56.228): sh -c '/usr/lib/x2go/x2gobroker-agent foo ping' 2022-01-18 13:45:08,258 - broker - INFO - Broker agent answered: OK; 2022-01-18 13:45:08,304 - broker - INFO - Executing agent command on remote host 192.168.56.228 (192.168.56.228): sh -c '/usr/lib/x2go/x2gobroker-agent brians listsessions' 2022-01-18 13:45:09,164 - broker - INFO - Broker agent answered: OK; 2022-01-18 13:45:09,165 - broker - DEBUG - base_broker.X2GoBroker.get_agent_query_mode(): found default-agent-query-mode in global config section: ssh 2022-01-18 13:45:09,165 - broker - DEBUG - base_broker.X2GoBroker.get_portscan_x2goservers(): found default-portscan-x2goservers in global config section: True 2022-01-18 13:45:09,167 - broker - DEBUG - base_broker.X2GoBroker.get_session_autologin(): found broker-session-autologin in session profile with ID [wks1: True. This one has precendence over the default value. 2022-01-18 13:45:09,177 - broker - DEBUG - base_broker.X2GoBroker.get_authorized_keys_file(): found default-authorized-keys in global config section: %h/.x2go/authorized_keys 2022-01-18 13:45:09,221 - broker - INFO - Executing agent command on remote host 192.168.56.228 (192.168.56.228): sh -c '/usr/lib/x2go/x2gobroker-agent brians addauthkey "no-X11-forwarding,no-pty,no-user-rc ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC5JtTMMkSa3yus8ciCIcYvzl7FYvEsFtoppLFyce3zEfc8+zg4xH3qSwDIHP/2f0nUBiuOESIRjsVQa0nIxjQljXegJO82p/6ixP1eZHzNZUuTCHBL4vA7QAVteHJgBFhUYz4rqPQIwyrQR9STu/cLu0fGIKvFxIf0LIC0zs2Xf+B6qQwoXQF4aR9G2AGOaeGcvwBItyLhVxWwzHmoxAHAqWMCisFPGACItfdDixhZl9IyCdcmsyFxWsndjgKPXAJGBxUREIkntaXgtZ7IrIDhrTtY9xWy0mJUwKlIdqluViMxyWagQM5TX38OVYH+fR2DaNV3WxCuO8pKHgH24ExV brians(a)192.168.56.1" "%h/.x2go/authorized_keys"' 2022-01-18 13:45:09,921 - broker - INFO - Broker agent answered: OK; 2022-01-18 13:45:09,921 - broker - DEBUG - base_broker.X2GoBroker.get_authorized_keys_file(): found default-authorized-keys in global config section: %h/.x2go/authorized_keys 2022-01-18 13:45:09,923 - broker - DEBUG - Scheduled deletion of authorized key in 20s: user=brians, hostname=192.168.56.228, hostaddr=192.168.56.228 2022-01-18 13:45:29,981 - broker - INFO - Executing agent command on remote host 192.168.56.228 (192.168.56.228): sh -c '/usr/lib/x2go/x2gobroker-agent brians delauthkey "no-X11-forwarding,no-pty,no-user-rc ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC5JtTMMkSa3yus8ciCIcYvzl7FYvEsFtoppLFyce3zEfc8+zg4xH3qSwDIHP/2f0nUBiuOESIRjsVQa0nIxjQljXegJO82p/6ixP1eZHzNZUuTCHBL4vA7QAVteHJgBFhUYz4rqPQIwyrQR9STu/cLu0fGIKvFxIf0LIC0zs2Xf+B6qQwoXQF4aR9G2AGOaeGcvwBItyLhVxWwzHmoxAHAqWMCisFPGACItfdDixhZl9IyCdcmsyFxWsndjgKPXAJGBxUREIkntaXgtZ7IrIDhrTtY9xWy0mJUwKlIdqluViMxyWagQM5TX38OVYH+fR2DaNV3WxCuO8pKHgH24ExV brians(a)192.168.56.1" "%h/.x2go/authorized_keys"' 2022-01-18 13:45:30,816 - broker - INFO - Broker agent answered: OK; Workstation auth.log Jan 18 13:45:07 ubuntu-focal sshd[36704]: error: kex_exchange_identification: Connection closed by remote host Jan 18 13:45:07 ubuntu-focal sshd[36705]: error: kex_exchange_identification: Connection closed by remote host Jan 18 13:45:07 ubuntu-focal sshd[36706]: Accepted publickey for x2gobroker from 192.168.56.230 port 58526 ssh2: RSA SHA256:dBs4pnJUuc0/h4OUI52+D8aKAbTaDC1QYtbB8/eH/l4 Jan 18 13:45:07 ubuntu-focal sshd[36706]: pam_unix(sshd:session): session opened for user x2gobroker by (uid=0) Jan 18 13:45:07 ubuntu-focal systemd-logind[713]: New session 32 of user x2gobroker. Jan 18 13:45:07 ubuntu-focal systemd: pam_unix(systemd-user:session): session opened for user x2gobroker by (uid=0) Jan 18 13:45:07 ubuntu-focal sshd[36706]: pam_unix(sshd:session): session closed for user x2gobroker Jan 18 13:45:07 ubuntu-focal systemd-logind[713]: Session 32 logged out. Waiting for processes to exit. Jan 18 13:45:07 ubuntu-focal systemd-logind[713]: Removed session 32. Jan 18 13:45:07 ubuntu-focal sshd[36820]: error: kex_exchange_identification: Connection closed by remote host Jan 18 13:45:08 ubuntu-focal sshd[36821]: Accepted publickey for x2gobroker from 192.168.56.230 port 58530 ssh2: RSA SHA256:dBs4pnJUuc0/h4OUI52+D8aKAbTaDC1QYtbB8/eH/l4 Jan 18 13:45:08 ubuntu-focal sshd[36821]: pam_unix(sshd:session): session opened for user x2gobroker by (uid=0) Jan 18 13:45:08 ubuntu-focal systemd-logind[713]: New session 34 of user x2gobroker. Jan 18 13:45:08 ubuntu-focal sudo: root : TTY=unknown ; PWD=/var/lib/x2gobroker ; USER=brians ; COMMAND=/usr/bin/x2golistsessions --all-servers Jan 18 13:45:08 ubuntu-focal sudo: pam_unix(sudo:session): session opened for user brians by (uid=0) Jan 18 13:45:08 ubuntu-focal sudo: pam_unix(sudo:session): session closed for user brians Jan 18 13:45:08 ubuntu-focal sshd[36821]: pam_unix(sshd:session): session closed for user x2gobroker Jan 18 13:45:08 ubuntu-focal systemd-logind[713]: Session 34 logged out. Waiting for processes to exit. Jan 18 13:45:08 ubuntu-focal systemd-logind[713]: Removed session 34. Jan 18 13:45:08 ubuntu-focal sshd[36921]: error: kex_exchange_identification: Connection closed by remote host Jan 18 13:45:08 ubuntu-focal sshd[36922]: error: kex_exchange_identification: Connection closed by remote host Jan 18 13:45:08 ubuntu-focal sshd[36923]: Accepted publickey for x2gobroker from 192.168.56.230 port 58536 ssh2: RSA SHA256:dBs4pnJUuc0/h4OUI52+D8aKAbTaDC1QYtbB8/eH/l4 Jan 18 13:45:08 ubuntu-focal sshd[36923]: pam_unix(sshd:session): session opened for user x2gobroker by (uid=0) Jan 18 13:45:08 ubuntu-focal systemd-logind[713]: New session 35 of user x2gobroker. Jan 18 13:45:09 ubuntu-focal sudo: root : TTY=unknown ; PWD=/var/lib/x2gobroker ; USER=brians ; COMMAND=/usr/bin/mkdir -p /home/brians/.x2go Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session opened for user brians by (uid=0) Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session closed for user brians Jan 18 13:45:09 ubuntu-focal sudo: root : TTY=unknown ; PWD=/var/lib/x2gobroker ; USER=brians ; COMMAND=/usr/bin/touch /home/brians/.x2go/authorized_keys Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session opened for user brians by (uid=0) Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session closed for user brians Jan 18 13:45:09 ubuntu-focal sudo: root : TTY=unknown ; PWD=/var/lib/x2gobroker ; USER=brians ; COMMAND=/usr/bin/cat /home/brians/.x2go/authorized_keys Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session opened for user brians by (uid=0) Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session closed for user brians Jan 18 13:45:09 ubuntu-focal sudo: root : TTY=unknown ; PWD=/var/lib/x2gobroker ; USER=brians ; COMMAND=/usr/bin/tee -a /home/brians/.x2go/authorized_keys Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session opened for user brians by (uid=0) Jan 18 13:45:09 ubuntu-focal sudo: pam_unix(sudo:session): session closed for user brians Jan 18 13:45:09 ubuntu-focal sshd[36923]: pam_unix(sshd:session): session closed for user x2gobroker Jan 18 13:45:09 ubuntu-focal systemd-logind[713]: Session 35 logged out. Waiting for processes to exit. Jan 18 13:45:09 ubuntu-focal systemd-logind[713]: Removed session 35. Jan 18 13:45:09 ubuntu-focal sshd[37020]: Accepted publickey for brians from 192.168.56.1 port 42394 ssh2: RSA SHA256:4fPeupT3DmbLhiYOu08NOn1H8wYDYxEVVpHSg+gWLtw Jan 18 13:45:09 ubuntu-focal sshd[37020]: pam_unix(sshd:session): session opened for user brians by (uid=0) Jan 18 13:45:09 ubuntu-focal systemd-logind[713]: New session 36 of user brians. Jan 18 13:45:09 ubuntu-focal systemd: pam_unix(systemd-user:session): session opened for user brians by (uid=0) Jan 18 13:45:10 ubuntu-focal sshd[37020]: pam_unix(sshd:session): session closed for user brians Jan 18 13:45:10 ubuntu-focal systemd-logind[713]: Session 36 logged out. Waiting for processes to exit. Jan 18 13:45:10 ubuntu-focal systemd-logind[713]: Removed session 36. Jan 18 13:45:29 ubuntu-focal sshd[37159]: error: kex_exchange_identification: Connection closed by remote host Jan 18 13:45:29 ubuntu-focal sshd[37160]: Accepted publickey for x2gobroker from 192.168.56.230 port 58540 ssh2: RSA SHA256:dBs4pnJUuc0/h4OUI52+D8aKAbTaDC1QYtbB8/eH/l4 Jan 18 13:45:29 ubuntu-focal sshd[37160]: pam_unix(sshd:session): session opened for user x2gobroker by (uid=0) Jan 18 13:45:29 ubuntu-focal systemd-logind[713]: New session 38 of user x2gobroker. Jan 18 13:45:29 ubuntu-focal systemd: pam_unix(systemd-user:session): session opened for user x2gobroker by (uid=0) Jan 18 13:45:30 ubuntu-focal sudo: root : TTY=unknown ; PWD=/var/lib/x2gobroker ; USER=brians ; COMMAND=/usr/bin/sed -e s!^no-X11-forwarding,no-pty,no-user-rc ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC5JtTMMkSa3yus8ciCIcYvzl7FYvEsFtoppLFyce3zEfc8+zg4xH3qSwDIHP/2f0nUBiuOESIRjsVQa0nIxjQljXegJO82p/6ixP1eZHzNZUuTCHBL4vA7QAVteHJgBFhUYz4rqPQIwyrQR9STu/cLu0fGIKvFxIf0LIC0zs2Xf+B6qQwoXQF4aR9G2AGOaeGcvwBItyLhVxWwzHmoxAHAqWMCisFPGACItfdDixhZl9IyCdcmsyFxWsndjgKPXAJGBxUREIkntaXgtZ7IrIDhrTtY9xWy0mJUwKlIdqluViMxyWagQM5TX38OVYH+fR2DaNV3WxCuO8pKHgH24ExV brians(a)192.168.56.1$!! -e /^$/d -i /home/brians/.x2go/authorized_keys Jan 18 13:45:30 ubuntu-focal sudo: pam_unix(sudo:session): session opened for user brians by (uid=0) Jan 18 13:45:30 ubuntu-focal sudo: pam_unix(sudo:session): session closed for user brians Jan 18 13:45:30 ubuntu-focal sshd[37160]: pam_unix(sshd:session): session closed for user x2gobroker Jan 18 13:45:30 ubuntu-focal systemd-logind[713]: Session 38 logged out. Waiting for processes to exit. Jan 18 13:45:30 ubuntu-focal systemd-logind[713]: Removed session 38. Jan 18 13:45:32 ubuntu-focal dbus-daemon[701]: [system] Failed to activate service 'org.bluez': timed out (service_start_timeout=25000ms)

3 7

xfce not usable (fedora f35)
by Neal Becker 11 Jan '22

11 Jan '22

I just tried xfce as a remote desktop. Client and server both fedora f35. I found it unusable. After desktop starts, I tried clicking icons to open a terminal, and the file manager. Nothing appears. Tried close x2go and reopen. Now the missing terminal and file windows appear. Try to drag the windows and they leave a trail of rectangles. Seems windows are not being repainted. Any suggestions? Thanks, Neal -- *Those who don't understand recursion are doomed to repeat it*

2 3

Questions regarding features and configuration advice of X2go
by Jörg Kastning 21 Dec '21

21 Dec '21

Dear X2go users, I'm trying to figure out whether X2go is a fitting solution for our project or not. Users should get remote access to a host to execute applications in a graphical environment. These users must not be able to transfer any data or files to or from the target host. Question 1: Is there a way to deactivate the clipboard or any drag'n'drop feature in x2go-server to prevent users from transering data? Question 2: The documentation (at URL https://wiki.x2go.org/doku.php/doc:newtox2go#installation_and_use) mentions that the SSH server handels the X2go connections. Are there example configs that restrict SSH access to X2go but prevent users from transferring data via tools like scp or rsync? Thank you in advance for your replys. Regards, Joerg

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