x2go-user

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2322 discussions

Need to use Alt-Tab
by Steve Harman 13 Aug '14

13 Aug '14

I have one major problem with using X2Go, which is such a wonderful piece of software. No matter what I did, I could not get it to understand Alt-Tab for switching windows. Some say using Ctrl - Alt - K works but it has no effect. Could someone please state clearly how this can be done. thanks Steve ps. Using Debian and X2Go (on both server and client). I connect as XFCE which is also my client desktop.

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x2go and pictures in high resolution
by Сергей Савко 11 Aug '14

11 Aug '14

Hello. On the diskless thin-client when opening a website with many pictures, firefox starts to slow down. Pictures in the background changing. Memory: 200 MB from 1Gb used. Nxproxy used 75% CPU. Site for test: http://pecom.ru/ Maybe someone saw this problem?

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Can sessions of one user on different hosts collide?
by Holger Krause 10 Aug '14

10 Aug '14

Dear list, On four debian wheezy machines I have X2Go server running without any problems since several weeks. There are about twenty users regularly connecting from their personal windows PCs. Usually at any given time on every server there are a handful of active/paused sessions running concurrently. The home directories are exported via NFS from a file server and shared among the X2Go servers. Today, one user ('abbasi') told me, that since one or two weeks, he can only have one active connection to two of the servers (named 'lucas' and 'perrin') at a time, while before he could have active connections to both of them in parallel. Let me demonstrate an example with the error messages he gets. An extract of his session logs I put at the end of this mail. Initially the user has one (LXDE) session running on both, 'lucas' and 'perrin', but only the connection to 'perrin' is open (at 17:35). 17:36 User resumes session on 'lucas', which lets the 'perrin' connection close. 17:38 User resumes session on 'perrin'. The x2go client maintaining the connection to 'lucas' yields an error message labeled 'X2Go - 50': "No response received from the remote server. Do you want to terminate the current session? (Yes/No)" With no answer given, a second error message pops up some seconds later: "The connection with the remote server was shut down. Please check the state of your network connection. (OK)". Later on the user terminated LXDE on 'perrin' and logged in again, again loosing the connection to 'lucas'. Output of x2golistsessions_root is: root@perrin:~# x2golistsessions_root |grep abbasi 23451|abbasi-50-1407426323_stDLXDE_dp32|50|perrin|S|2014-08-07T17:45:24| ab801814ece01b66cf5b9095ef08d537|134.99.208.12|30001|30002| 2014-08-07T17:50:07|abbasi|10878|30003| root@lucas:/tmp# x2golistsessions_root |grep abbasi 31315|abbasi-50-1401721407_stDLXDE_dp32|50|lucas|S|2014-06-02T17:03:27| 2e6c06bec50eb7f89b1d165590a0a54d|134.99.208.12|30001|30002| 2014-08-07T17:45:27|abbasi|5715851|30003| What got my attention is, the sessions on both servers coincidentally having the same <port> (50), <gr_port> (30001) and <snd_port> (30002). Could this lead to confusion for the 'peer proxy' mentioned in the 'Error:' line in the 'lucas'-log? Looking forward to any suggestion, how to improve this situation. Thanks in advance! Holger ---- root@lucas:/tmp/.x2go-abbasi# tail -f session-C- abbasi-50-1401721407_stDLXDE_dp32.log ---- Session: Resuming session at 'Thu Aug 7 17:36:15 2014'. Info: Proxy running in server mode with pid '31315'. Info: Waiting for connection from 'localhost' on port '30001'. Info: Accepted connection from '127.0.0.1'. Info: Connection with remote proxy completed. Info: Using LAN link parameters 1536/24/1/0. Info: Using agent parameters 5000/0/50/0/0. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_32'. Info: Not using NX delta compression. Info: Not using ZLIB data compression. Info: Not using ZLIB stream compression. Info: Not using a persistent cache. Info: Listening to X11 connections on display ':50'. Info: Established X client connection. Info: Using shared memory parameters 1/1/0/0K. nxagentInitAndCheckVisuals: WARNING! Ignoring not matched DirectColor visual. [... LINE ABOVE REPEATED 31 TIMES ...] Info: Not using local device configuration changes. keyboard file created SessionPath not defined Session: Session resumed at 'Thu Aug 7 17:36:17 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Error: Failure reading from the peer proxy. Error: Connection with remote peer broken. Error: Please check the state of your network and retry. Session: Display failure detected at 'Thu Aug 7 17:38:44 2014'. Session: Suspending session at 'Thu Aug 7 17:38:44 2014'. Session: Session suspended at 'Thu Aug 7 17:38:44 2014'. Session: Resuming session at 'Thu Aug 7 17:42:27 2014'. Info: Proxy running in server mode with pid '31315'. Info: Waiting for connection from 'localhost' on port '30001'. Info: Accepted connection from '127.0.0.1'. Info: Connection with remote proxy completed. Info: Using LAN link parameters 1536/24/1/0. Info: Using agent parameters 5000/0/50/0/0. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_32'. Info: Not using NX delta compression. Info: Not using ZLIB data compression. Info: Not using ZLIB stream compression. Info: Not using a persistent cache. Info: Listening to X11 connections on display ':50'. Info: Established X client connection. Info: Using shared memory parameters 1/1/0/0K. nxagentInitAndCheckVisuals: WARNING! Ignoring not matched DirectColor visual. [... LINE ABOVE REPEATED 31 TIMES ...] Info: Not using local device configuration changes. keyboard file created SessionPath not defined Session: Session resumed at 'Thu Aug 7 17:42:30 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Info: Screen [0] resized to geometry [1204x791] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Info: Screen [0] resized to geometry [1204x791] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Session: Suspending session at 'Thu Aug 7 17:43:11 2014'. Info: Waiting the cleanup timeout to complete. Session: Session suspended at 'Thu Aug 7 17:43:12 2014'. Session: Resuming session at 'Thu Aug 7 17:43:25 2014'. Info: Proxy running in server mode with pid '31315'. Info: Waiting for connection from 'localhost' on port '30001'. Info: Accepted connection from '127.0.0.1'. Info: Connection with remote proxy completed. Info: Using LAN link parameters 1536/24/1/0. Info: Using agent parameters 5000/0/50/0/0. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_32'. Info: Not using NX delta compression. Info: Not using ZLIB data compression. Info: Not using ZLIB stream compression. Info: Not using a persistent cache. Info: Listening to X11 connections on display ':50'. Info: Established X client connection. Info: Using shared memory parameters 1/1/0/0K. nxagentInitAndCheckVisuals: WARNING! Ignoring not matched DirectColor visual. [... LINE ABOVE REPEATED 31 TIMES ...] Info: Not using local device configuration changes. keyboard file created SessionPath not defined Session: Session resumed at 'Thu Aug 7 17:43:27 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Info: Screen [0] resized to geometry [784x562] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Info: Screen [0] resized to geometry [784x562] fullscreen [0]. Session: Suspending session at 'Thu Aug 7 17:43:44 2014'. Info: Waiting the cleanup timeout to complete. Session: Session suspended at 'Thu Aug 7 17:43:45 2014'. ---- root@perrin:/tmp/.x2go-abbasi# tail -f session-C- abbasi-50-1404746618_stDLXDE_dp32.log Info: Using shared memory parameters 1/1/0/0K. Info: Not using local device configuration changes. keyboard file created Session: Session resumed at 'Thu Aug 7 16:49:58 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Session: Resuming session at 'Thu Aug 7 17:20:01 2014'. Session: Display failure detected at 'Thu Aug 7 17:20:05 2014'. Session: Suspending session at 'Thu Aug 7 17:20:05 2014'. Session: Session suspended at 'Thu Aug 7 17:20:05 2014'. Session: Resuming session at 'Thu Aug 7 17:30:08 2014'. Info: Using shared memory parameters 1/1/0/0K. Info: Not using local device configuration changes. keyboard file created Session: Session resumed at 'Thu Aug 7 17:30:14 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Session: Suspending session at 'Thu Aug 7 17:35:59 2014'. Session: Session suspended at 'Thu Aug 7 17:36:00 2014'. Session: Resuming session at 'Thu Aug 7 17:38:43 2014'. Info: Using shared memory parameters 1/1/0/0K. Info: Not using local device configuration changes. keyboard file created Session: Session resumed at 'Thu Aug 7 17:38:49 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Session: Resuming session at 'Thu Aug 7 17:42:16 2014'. Session: Display failure detected at 'Thu Aug 7 17:42:20 2014'. Session: Suspending session at 'Thu Aug 7 17:42:20 2014'. Session: Session suspended at 'Thu Aug 7 17:42:20 2014'. Session: Resuming session at 'Thu Aug 7 17:44:04 2014'. Info: Using shared memory parameters 1/1/0/0K. Info: Not using local device configuration changes. keyboard file created Session: Session resumed at 'Thu Aug 7 17:44:10 2014'. Info: Screen [0] resized to geometry [800x600] fullscreen [0]. Info: Screen [0] resized to geometry [1440x848] fullscreen [0]. Session: Terminating session at 'Thu Aug 7 17:44:44 2014'. Session: Session terminated at 'Thu Aug 7 17:44:45 2014'.

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FYI: Cinnamon 1.4 (Linux Mint 13) is compatible with X2Go, but Cinnamon 2.2 (Linux Mint 17) is not
by Michael DePaulo 09 Aug '14

09 Aug '14

I just updated this page with my test results: http://wiki.x2go.org/doku.php/doc:de-compat Note that for Cinnamon 1.4 to work, in X2Go Client, you must specify the Session Type as: Custom Desktop: gnome-session-cinnamon Compatibility issues with Cinnamon are being tracked in bug #150. http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=150 -Mike#2

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FYI about X2Go Client for Windows 4.0.2.1+hotfix1+build2 and bug #564
by Michael DePaulo 08 Aug '14

08 Aug '14

TLDR: I released X2Go Client for Windows 4.0.2.1+hotfix1+build2 in order to update the bundled openssl to 1.0.1i (security fixes), but bug #564 was introduced and it is bad enough that I do not recommend using it yet. Continue to use 4.0.2.1+hotfix1. X2Go Devs, I also want to know if I should announce the release anyway on x2go-announcements. So I released X2Go Client for Windows 4.0.2.1+hotfix1+build2 in the sense that I did the following: 1. Uploaded it to http://code.x2go.org/releases/binary-win32/x2goclient/releases/4.0.2.1+hotf… 2. Generated the .md5 and .sha1 files However, I did not do the following yet: 1. Announce it on x2go-announcements (I'm not sure if I should announce it or not yet.) 2. Update the wiki page http://wiki.x2go.org/doku.php/doc:release-notes-mswin:x2goclient-4.0.2.1 (I'll do so tomorrow, I need to get some lseep now.) I haven't announced it yet because I discovered bug #564 while testing it http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=564 As I explained in the bug report, I am shocked that a regression like this was introduced because I thought that openssl 1.0.1* updates were very unlikely to introduce regressions. And I thought that there was never a need to recompile anything due to these updates. (If 1.0.2 or 1.1.0 came out, then there would be a need to recompile.) This is why I didn't test the updated build of x2goclient before posting it to code.x2go.org/releases/ . I will look into this further tomorrow. In the meantime, I recommend staying with 4.0.2.1+hotfix1 until I fix this bug (or someone else fixes it.) I also want to know if I should announce the release anyway on x2go-announcements. -Mike#2

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x2go configure thinclients
by Сергей Савко 04 Aug '14

04 Aug '14

Hello. How can I configure the thin client, by type lts.conf in LTSP? I need to adjust the resolution for the monitor in a thin client, etc.. Where i can read abot this?

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NV-GLX troubles
by Jose Borreguero 31 Jul '14

31 Jul '14

Dear all, After making sure that loading of GLX is enabled in* /etc/x2go/x2goagent.options*: X2GO_NXAGENT_DEFAULT_OPTIONS+=" +extension GLX" I get the following error: ~> glxinfo name of display: :103 Xlib: extension "NV-GLX" missing on display ":103". Segmentation fault (core dumped) ~> Can anyone please help me out with this? I'm conecting to a Fedora 20 server from a Windows 7 client. -Jose

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Windows X2go client vs synergy
by Les Mikesell 29 Jul '14

29 Jul '14

My main desktop computer is a windows box and I run 'synergy' to share it's keyboard mouse with a laptop that is generally sitting on it's left side. However, when x2go is also running on the desktop with an active display window it seems to interfere with synergy. When the mouse cursor hits the left edge of the desktop screen, it should 'appear' to move to the laptop - with synergy transferring the keyboard/mouse control to the laptop until the cursor comes back to the right edge of the laptop screen. When x2go has an active screen, even if it is not positioned near the left edge of the physical screen the cursor just disappears there instead of being picked up by synergy and shown on the laptop client - although it does seem to recognize when it has moved back approximately the same distance to reappear on the desktop. Is there any way to avoid this conflict - or help debug it further? I don't have this problem when using NX/freenx in a similar way. -- Les Mikesell lesmikesell(a)gmail.com

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Windows-Client: USB printer working only as network printer not via USB
by tobias | x2go-community 29 Jul '14

29 Jul '14

Hello list, we have a printing question to answer, has anyone of you seen something like this? I personally do not have Windows and MesserSchmitty tried to reproduce the problem and failed, printing just worked. :) Error description: The same printer does print via X2Go when installed as network printer at the Windows machine but not when installed as USB printer. Adobe Reader starts up but the PDF from the server is only shown when selecting "Recently documents". Windows 7 X2GoClient 4.0.2.0 Server: Ubuntu 12.04.4 This is the thread: http://x2go-community.org/node/851 Thanks a lot, tobias -- www.x2go-community.org

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Slow Performance with Certain Apps on Ubuntu 14.04
by Eric Sirianni 26 Jul '14

26 Jul '14

I'm noticing some very sluggish GUI behavior on certain applications when using x2go. I'm using x2go with a Windows client against an Ubuntu 14.04 server using LXDE window manager. Certain graphical applications are very slow (to the point of being unusable): - gedit - eclipse - Sublime Text - Google Chrome Other graphical applications perform quite well: - Firefox - Terminator - Libreoffice I suspected it was a 'libcairo2' issue, as I've seen this before on older Ubuntu systems. https://bugs.freedesktop.org/show_bug.cgi?id=32014 However, both gedit and libreoffice use libcairo2 and exhibit vastly different performance: $ ldd /usr/lib/libreoffice/program/soffice.bin | grep cairo libpangocairo-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 (0x00007fbbdfa13000) libcairo.so.2 => /usr/lib/x86_64-linux-gnu/libcairo.so.2 (0x00007fbbdf708000) $ ldd `which gedit` | grep cairo libcairo.so.2 => /usr/lib/x86_64-linux-gnu/libcairo.so.2 (0x00007f898c8e9000) libpangocairo-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 (0x00007f898afbb000) libcairo-gobject.so.2 => /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2 (0x00007f898a430000) Could it be a GTK version thing? Anyone have any ideas? Not sure what the commonality is between applications that perform well vs. poorly and where to go from here. Thanks, Eric

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