x2go-dev May 2010

x2go-dev@lists.x2go.org

18 participants
24 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

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Problems on Debian Squeeze
by John A. Sullivan III 08 Jul '10

08 Jul '10

Is there any special magic to running X2Go on Debian Squeeze? We upgraded an x2goserver to Squeeze from Lenny and we can no longer connect. The X2Go client just says connecting. We can see the ssh sessions are established and it looks like x2gostartagent is running. The database is set up and running. The users are members of x2gousers, fuse, various pulse groups. We changed the default shell from dash to bash as, if I recall correctly, there are functions in the X2Go bash scripts that are not supported in dash. We reinstalled X2Go after remembering that. We deleted all the old .Xauthority files. We double-checked /etc/ssh/sshd_config to ensure we had X11 Forwarding enabled. We can run X apps like xterm and kate via an ssh connection. I'm not entirely sure where to look next without major troubleshooting. Is anyone using X2Go on Squeeze successfully? Thanks - John

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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

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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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Serious Issue - x2goagent runaway CPU
by John A. Sullivan III 04 Jun '10

04 Jun '10

Hello, all. We are seeing this with enough regularity that it is alarming. Our first client uses Konqueror heavily in their work process. They usually open files from it rather than from within the applications, they email directly from it, etc. The environment is Lenny + Backports with a few updates from Squeeze. We are using KDE 3.5. X2Go is 3.0.1-4 on the client (all windows stations) and 3.0.1-5 for server. We have not been able to track down the trigger but the user's Konqueror will freeze partly painted. x2goagent consumes all the CPU and Konqueror's memory usage grows to frightening amounts (e.g., 18GB). How can we track down and kill this serious bug? Thanks - John

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update on the status of the new release
by Heinz-M. Graesing 31 May '10

31 May '10

Hello x2go user, we've finally found the bug preventing the release of the new version. Now there will be some changes to the feature list of the upcomming release: To keep it realistic there will be no audio support for the desktop/session sharing feature (for now). It won't be possible to modify a shared session which is not yours (due to security reasons). There where also some requests regarding the needed KDE4 bindings. As KDE has changed a lot, we are discussing to build those as a "plasmoid". We'll make the new release accessible for testing purpuse soon - but the plasmoid will take us some time. best regards, Heinz

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Windows X2Go printing
by John A. Sullivan III 29 May '10

29 May '10

Hello, all. We are trying to finish off the punch list for our first major X2Go deployment so I expect to be sending lots of smaller issues to the list. One not so small issue is a problem with using the X2Go client printing on Windows stations. The portability of this solution is magnificent but we are noticing that the windows client cannot directly print to the local printers. Whenever we send a print job from the X2Go server to the Windows X2Go client (3.0.1-4), the print dialog properly displays. However, no matter which local printer we choose, whichever application Windows has associated with PDF files opens instead and displays the PDF rather than printing it. Has anyone else seen this behavior? It is 100% reproducible for us. Why is this happening? Is there a workaround? We're about to dive into the code to see what we can find but really don't know what we are looking at or for so any guidance would be greatly appreciated - John

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Public key authentication on Mac OS X
by Mihai Moldovan 28 May '10

28 May '10

Hi all, whilst using x2goclient on Mac OS X Snow Leopard, I came across a few problems. Initially, I thought I could just set up x2goclient to connect to my server which supports public key authentication. Actually, pubkey is my default authentication scheme when connecting to this very server and ssh always chooses it. Furthermore, the password for this very private key is saved in Mac OS X' keychain, providing a ssh-agent like (well, let's say identical) environment. First off, I guess you're only using the stock SSH client found on the machine yourself, so why don't you let it handle it the authentication and (optionally) query for a password, if this situation comes up? Secondly, if you dislike this, keychain integration is still very favorable on Mac OS X, as it saves the user the burden to provide a password for his private key. While this is not exactly very secure, it's very comfortable on the other hand. (Note: keychain can save the provided password and "enter" it automatically everytime the privkey is requested, but it's not necessary to do so. This said, users can of course choose whether the password is to be remembered or not.) I've seen that there is a way to select a private key for authentication in x2goclient. That's handy and I like it, really. As said before, ssh (and ssh-agent/keychain) could handle this as well, but it's nice to have such an option, i.e. when using a very specific key for this purpose only. Any disagreeing or agreeing thoughts on this? Best regards, Mihai

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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)

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x2go-dev May 2010