x2go-dev April 2010

x2go-dev@lists.x2go.org

16 participants
20 discussions

x2goclient and ssh-agent
by Heiko Baumann 29 Jun '11

29 Jun '11

Hello, is there a way to use x2goclient with ssh-agent(1)? i am using ssh-agent with my etoken to login via nxclient on some machines. is this possible with x2goclient? i've started x2goclient from the same shell where a ssh login to the remote server worked with agent auth. but x2goclient seems not to use the running ssh-agent. thanks for any help. heiko

6 17

screen saver extension
by rf＠q-leap.de 21 Jun '10

21 Jun '10

Hi, I searched the web and mailing list archives, but didn't find an answer to my question: Is it possible to start x2go with the X11 screen saver extension enabled? I'd need it to get X11 idle time on the command line. Thanks, Roland

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Linuxtag 2010 - talk and booth
by Heinz-M. Graesing 14 Jun '10

14 Jun '10

Dear friends of x2go, we'd like to invite you to visit us on Linuxtag 2010 (9-12 June) in Berlin. You'll find us on our booth or you can visit our talk which is part of the debian miniconf 2010: http://wiki.debconf.org/wiki/Miniconf-LT-Berlin/2010 For everybody outside Germany: The Linuxtag is a famous Open Source event which exists since 1996. It is a big event with a big focus on community (and - sure - on companies too -> where com meets org). It is worth a visit if you want to contact the real people behind the projects. We'll show the upcoming release, the plugin, as always our mascot and we'll answer your questions. see you in berlin, Alex & Heinz

2 2

Desktop sharing
by Peter Puk 08 Jun '10

08 Jun '10

As described here: http://www.x2go.org/index.php?id=72 Quote: "You may share their displays to help them or to discuss your projects." How can i share a desktop, or as i understand: "login to an already running desktop, to support the current working user." In what way can i manage that. I'm already to access the "server" and login to another user, but not take over an existing session. Ronnie

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Opening a session to user with encrypted home directory
by Milan Knížek 28 May '10

28 May '10

Hello, there appears to be a problem with connecting to x2goserver-home (Ubuntu 9.10), when the user has encrypted home directory (using ecryptfs). The cause seems to be that some files need to be open in the home directory before the ecryptfs is mounted. Trying to connect again usually works. Also, the unsuccessful first session remains hanging as "running" in the server's database. I checked that after the first unsuccessful trial, the ecryptfs home directory was not mounted. Could it be caused by not enough time for ecryptfs mounting scripts to mount home directory before x2go wants to write to it? Log of the first session: /usr/bin/x2goagent: řádek 1: -e: command not found NXAGENT - Version 3.4.0 Copyright (C) 2001, 2007 NoMachine. See http://www.nomachine.com/ for more information. Info: Agent running with pid '16895'. Session: Starting session at 'Tue Jan 26 22:02:19 2010'. Loop: PANIC! Can't open options file '/home/modeluser/.x2go/C-modeluser-90-1264539738_stDGNOME_dp32/options'. Error is 2 'No such file or directory'. Error: Can't open options file '/home/modeluser/.x2go/C-modeluser-90-1264539738_stDGNOME_dp32/options'. Error is 2 'No such file or directory'. Error: Parsing of NX transport options failed. _X11TransSocketConnectConnInfo: Cannot create the NX transport. Loop: WARNING! Signal 'SIGINT not installed in process with pid '16895'. Warning: Signal 'SIGINT not installed in process with pid '16895'. Loop: WARNING! Signal 'SIGTERM not installed in process with pid '16895'. Warning: Signal 'SIGTERM not installed in process with pid '16895'. Loop: WARNING! Signal 'SIGHUP not installed in process with pid '16895'. Warning: Signal 'SIGHUP not installed in process with pid '16895'. Loop: WARNING! Signal 'SIGCHLD not installed in process with pid '16895'. Warning: Signal 'SIGCHLD not installed in process with pid '16895'. Error: Aborting session with 'X2goagent: Unable to open display 'nx/nx,options=/home/modeluser/.x2go/C-modeluser-90-1264539738_stDGNOME_dp32/options:90''. Session: Aborting session at 'Tue Jan 26 22:02:19 2010'. Session: Session aborted at 'Tue Jan 26 22:02:19 2010'. Loop: WARNING! Signals were not blocked in process with pid '16895'. Warning: Signals were not blocked in process with pid '16895'. NXPROXY - Version 3.4.0 Copyright (C) 2001, 2007 NoMachine. See http://www.nomachine.com/ for more information. Info: Proxy running in server mode with pid '16895'. Session: Starting session at 'Tue Jan 26 22:02:19 2010'. Loop: PANIC! Call to bind failed for UNIX domain socket (null)/.X11-unix/X90. Error is 2 'No such file or directory'. Error: Call to bind failed for UNIX domain socket (null)/.X11-unix/X90. Error is 2 'No such file or directory'. Session: Session terminated at 'Tue Jan 26 22:02:19 2010'. Milan Knizek knizek (dot) confy (at) volny (dot) cz http://www.milan-knizek.net - About linux and photography (Czech language only)

1 1

Custom paper size for cups-x2go.ppd
by John A. Sullivan III 03 May '10

03 May '10

Hello, all. We have a client who needs to use the x2go printing system to print to plotters for construction drawings. They need to be able to specify custom paper sizes. For example, I am on site right now and they need to print 30" x 36" drawings. What would be involved in editing the cups-x2go.ppd file so that they can specify a custom paper size? We had hoped to offload that job to the local print driver but, when we tried to do this with the cups-x2go printer, it sent an A4 sized image and printed it on 30" x 36" paper. Thus it seems essential for the cups-x2go driver to send the custom sized document in the first place. Thanks - John

1 1

X2GO Screen Refresh Performance
by --[ UxBoD ]-- 29 Apr '10

29 Apr '10

Hello all, I am looking for a little bit of explanation on how the X11 session is delivered to the X2GO client; and whether improving the performance of the local X11 server would improve the overall experience? As a reference point I ran x11perf while connected to a remote X2GO session with the following results: x11perf -copywinwin10 x11perf - X11 performance program, version 1.2 The X.Org Foundation server version 60900000 on :54.0 from uxbod Thu Apr 29 15:18:53 2010 Sync time adjustment is 0.0263 msecs. 36000 reps @ 0.1401 msec ( 7140.0/sec): Copy 10x10 from window to window 36000 reps @ 0.1460 msec ( 6850.0/sec): Copy 10x10 from window to window 36000 reps @ 0.1457 msec ( 6860.0/sec): Copy 10x10 from window to window 36000 reps @ 0.1424 msec ( 7020.0/sec): Copy 10x10 from window to window 36000 reps @ 0.1450 msec ( 6900.0/sec): Copy 10x10 from window to window 180000 trep @ 0.1438 msec ( 6950.0/sec): Copy 10x10 from window to window when I run the same test on my physical laptop which has a NVidia Quadro card I get: x11perf -copywinwin10 x11perf - X11 performance program, version 1.2 The X.Org Foundation server version 10604000 on :0.0 from cyborg Thu Apr 29 15:19:18 2010 Sync time adjustment is 0.0979 msecs. 2400000 reps @ 0.0020 msec (492000.0/sec): Copy 10x10 from window to window 2400000 reps @ 0.0021 msec (486000.0/sec): Copy 10x10 from window to window 2400000 reps @ 0.0020 msec (502000.0/sec): Copy 10x10 from window to window 2400000 reps @ 0.0020 msec (488000.0/sec): Copy 10x10 from window to window 2400000 reps @ 0.0020 msec (496000.0/sec): Copy 10x10 from window to window 12000000 trep @ 0.0020 msec (493000.0/sec): Copy 10x10 from window to window Reading one of the NX documents about slow performance it mentions: "Upgrading to a more recent version of the X server or trying a different video driver can surely offer a great boost. For example a hardware accelerated video card is recommended to obtain the best speed." Would one of the devs be able to cast some light on where I should look to tune the performance? -- Thanks, Phil

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Re: [X2go-dev] Problem with charsets (folder mapping - windows to linux)
by Alex 27 Apr '10

27 Apr '10

Александр, здравствуйте! Я нашел временное решение: в скрипте монтирования /usr/bin/x2gomountdirs добавил параметр umask=0000 для команды sshfs. И после, проброса папки на сервер, я выполняю под пользователем скрипт, анализирующий папку media в home директории и в случае наличия в ней проброшенной папки, выполняется команда: convmvfs /home/$USER/folder -o srcdir=/home/$USER/media,icharset=CP1251,ocharset=UTF8 папка folder конечно же должна быть создана. Конечно это некрасивое решение, но видимо иного быть не может. Потому как, если изменить скрипт монтирования под кодировку cp1251, то возникнут проблемы с Linux --> Linux связкой. Есть мысль, создать копию x2gomountdirs с параметрами для монтирования cp1251, а в windows-клиенте сделать опцию, монтировать в русской кодировке. Я, правда, не уверен, что это возможно. Т.к. не влезал пока в принцип работы самого сервера и клиента. Но если бы это было возможно реализовать, думаю, решились бы многие проблемы, потому что не только с русской кодировкой могут быть проблемы, арабская, иврит, китайская и т.д. И причем именно в связке Windows --> Linux Should i translate my message? Or i can post in russian?

2 1

Problem with charsets (folder mapping - windows to linux)
by Alex 26 Apr '10

26 Apr '10

Hi, thank you for your project, it is amazing! Primarily, excuse me for my English. I have one problem with folder mapping... The situation is that I want to use x2go in Russia. And the mapping folders from Windows to linux hampered difference charsets (cp1251 and UTF-8). So, how can I mount the Windows folder converting in UTF-8? there is such a fuse-convmvfs, but I do not know how to implement it in a script to mount the folder. I am waiting for your help! Thanks!!!!

3 2

x2go local printing sends to pdf app
by John A. Sullivan III 21 Apr '10

21 Apr '10

Hello, all. We are in the home stretch of our first major X2Go deployment and have hit a problem with using the x2go cups printer to print to local devices. When Windows users print to the X2Go printer and select a physical printer from the list of local devices, we find the print job is opened by whichever application is configured to open PDF files. For example, we had one station where the print jobs opened in Acrobat Standard no matter what printer we sent the job to. We removed Acrobat Standard and the job now opened in Acrobat reader. I'm assuming this is a bug. Is it something I have misconfigured? We really want the job going where we send it and not to a PDF reader (unless, of course, we tell it to go to the PDF reader!). Thanks - John

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x2go-dev April 2010