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Problems with the GTK-client
by Paul van der Vlis 31 Jul '09

31 Jul '09

Hello, I have some problems with the GTK-client. The KDE client works fine, and the GTK client does work fine as another user on the same machine. I have purged and reinstalled the gtk-client and I removed the config-data with: gconftool-2 --recursive-unset /apps/x2goclient (as the user where the problems are). But it does not help. When I try to start a session everything works fine, I only see no session. When I start the client again, I can see a running session, I cannot kill that session with the GTK client, but I can kill that session with the KDE client. I don't know how to fix this problem. I will add the complete information from the file .xsessionerrors. The interesting part (I think) is: -------- debug1: Local forwarding listening on 127.0.0.1 port 30049. bind: Address already in use debug1: Local forwarding listening on ::1 port 30049. bind: Address already in use channel_setup_fwd_listener: cannot listen to port: 30049 Could not request local forwarding. debug1: Requesting no-more-sessions(a)openssh.com -------- With regards, Paul van der Vlis. The complete information from .xsessionerrors: --------- ^@^@^@^@^@^@^@^@^@^@^@^@^@ (...) (x2goclient_gtk:4879): Gdk-CRITICAL **: gdk_drawable_copy_to_image: assertion `src_x >= 0' failed ssh command: export HOSTNAME && x2golistsessions x2gostartagent fullscreen adsl 16m-jpeg-9 unix-kde-depth_32 us pc105/us 0 D GNOME ssh command: x2gostartagent fullscreen adsl 16m-jpeg-9 unix-kde-depth_32 us pc105/us 0 D GNOME 66 8a976570f364deacb15b8bcebf314e0e 4998 paul-66-1249044365_stDGNOME_dp32 30049 30050 30051 ssh command: mkdir ~/.pulse;echo "default-server=localhost:30050" > ~/.pulse/client.conf OpenSSH_5.1p1 Debian-5, OpenSSL 0.9.8g 19 Oct 2007 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to localhost [127.0.0.1] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /home/paul/.ssh/identity type -1 debug1: identity file /home/paul/.ssh/id_rsa type -1 debug1: identity file /home/paul/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-5 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client blowfish-cbc hmac-md5 none debug1: kex: client->server blowfish-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1 OpenSSH_5.1p1 Debian-5, OpenSSL 0.9.8g 19 Oct 2007 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to localhost [127.0.0.1] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /home/paul/.ssh/identity type -1 debug1: identity file /home/paul/.ssh/id_rsa type -1 debug1: identity file /home/paul/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-5 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client blowfish-cbc hmac-md5 none debug1: kex: client->server blowfish-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1 024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'localhost' is known and matches the RSA host key. debug1: Found key in /home/paul/.ssh/known_hosts:35 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Next authentication method: publickey debug1: Trying private key: /home/paul/.ssh/identity debug1: Trying private key: /home/paul/.ssh/id_rsa debug1: Offering public key: /home/paul/.ssh/id_dsa debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Next authentication method: keyboard-interactive debug1: read_passphrase: can't open /dev/tty: No such device or address debug1: permanently_drop_suid: 1000 debug1: Au mkdir: kan map '/home/paul/.pulse' niet aanmaken: Bestand bestaat al 024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'localhost' is known and matches the RSA host key. debug1: Found key in /home/paul/.ssh/known_hosts:35 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Next authentication method: publickey debug1: Trying private key: /home/paul/.ssh/identity debug1: Trying private key: /home/paul/.ssh/id_rsa debug1: Offering public key: /home/paul/.ssh/id_dsa debug1: Authentications that can continue: publickey,keyboard-interactive debug1: Next authentication method: keyboard-interactive debug1: read_passphrase: can't open /dev/tty: No such device or address debug1: permanently_drop_suid: 1000 debug1: Au thentication succeeded (keyboard-interactive). debug1: Local connections to LOCALHOST:30049 forwarded to remote address localhost:30049 debug1: Local forwarding listening on 127.0.0.1 port 30049. bind: Address already in use debug1: Local forwarding listening on ::1 port 30049. bind: Address already in use channel_setup_fwd_listener: cannot listen to port: 30049 Could not request local forwarding. debug1: Requesting no-more-sessions(a)openssh.com debug1: Entering interactive session. thentication succeeded (keyboard-interactive). debug1: Remote connections from LOCALHOST:30050 forwarded to local address localhost:4713 debug1: Requesting no-more-sessions(a)openssh.com debug1: Entering interactive session. debug1: remote forward success for: listen 30050, connect localhost:4713 debug1: All remote forwarding requests processed ------------ -- http://www.vandervlis.nl/

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Problems after installing x2go 3.01
by Paul van der Vlis 31 Jul '09

31 Jul '09

Hello, I installed x2go 3.01 (a beta) with dates from 16-22 juli. First everything worked fine and some bugs where gone, like the keyboard-bug. I installed "x2goserver-home" too. But now x2go does not work anymore. I cannot get a connection. Maybe it was after I executed by mistake this script: /usr/bin/x2gostartagent. I rebooted the machine, the problem is not gone. It is difficult to copy some of the error-messages of the KDE-client because they are gone very fast, but I saw this kind of things while connecting to localhost: Error: Failure negotiating the session in stage '7'. Error: Wrong version or invalid session authentication cookie. Session: Terminating session at 'Thu Jul 30 09:48:31 2009'. Session: Session terminated at 'Thu Jul 30 09:48:31 2009'. or: Info: Using ZLIB data compression 1/1/32. Info: Using ZLIB stream compression 4/4. Info: No suitable cache file found. Info: Forwarding X11 connections to display ':0.0'. Session: Session started at 'Thu Jul 30 09:51:00 2009'. Warning: Protocol mismatch or no X authentication data. or: (...) reaching a usable state. Info: This can be due to the local X server refusing access to the client. Info: Please check authorization provided by the remote X application. Session: Session terminated at 'Thu Jul 30 09:53:13 2009'. When I connect from a laptop with the GTK-client I get an error: cat /home/paul/.x2go/C-.../cmdoutput file does not excist. Is there a better way to get the log? Is there a way to let the server log? Maybe it is important to tell that I have a multiseat X setup here, but before x2go did work without problem. (A multseat setup is a computer what can be used by more then one person. In my situation there are 2 monitors, 2 keyboards, 2 mouses. You can configure it in gdm.conf and xorg.conf.) With regards, Paul van der Vlis. -- http://www.vandervlis.nl/

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Fullscreen mode and switching applications
by Alexander.Kuchler＠pruftechnik.com 30 Jul '09

30 Jul '09

Dear all, I installed X2Go client for windows V 3.00-1. When opening a session in fullscreen mode it's not possible to switch to any other windows application by pressing [Alt]-[Tab]. Pressing this combination presents the Window Taskswitch Dialog but selecting another application is doing nothing. The X2Go Session stays in the foreground. Is there any other possiblity to switch the active window? Best regards, Alexander Kuchler

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Problem with GTK client
by Paul van der Vlis 29 Jul '09

29 Jul '09

Hello list, I have a problem with the GTK client on one of my machines, the KDE client works fine. And the GTK client did work fine before. When I start a connection with the GTK client the session is not visible. I see no session. But there is a session started. Reinstalling the client (using "--purge"), does not help. Removing the configuration in gconf does not help. This is what I did: gconftool-2 --recursive-unset /apps/x2goclient Killing the sessions with the KDE-client or with a GTK-client from another machine does not help. What can I do to make it work again? With regards, Paul van der Vlis. -- http://www.vandervlis.nl/

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this mailinglist...
by Heinz-M. Graesing 27 Jul '09

27 Jul '09

Hello mailinglist members, I don't know why but some time ago this mailinglist stopped delivering mails to my account. I've added me again to the list so now I can answer your questions and tell you about the future of x2go. Of cause we are interested in helping english speaking x2go users - somehow they mainly have choosen this mailing list. Please keep on using this list if you prefer mailing lists instead of a forum (I really like mailing lists too). If anybody is visiting Linuxtag in Berlin this month: we'll share a booth with skolelinux, olpc and linux4afrika. A recent topic of the mailing list was the possibility to use x2goclient on OpenSuSE. Alex has made an tar.gz to compile x2goclient (GTK Version) on openSuSE11: http://www.x2go.org/opensuse11/ This should help you to compile x2goclient for openSuSE. A further topic was using x2go on ubuntu * : We've tried to get all wishes of the ubuntu community into a speciallized version, which did not contain any qt or kde dependency and was using the unpatched versions of the nx libraries. This version (available on launchpad) could be installed without any configuration, but it was not possible to use the multiserver/ldap features. We've stopped to develop this special version, but our lenny packages are compatible with ubuntu 9.04. So please use the actual lenny repository, import the database and add your user to the group "x2gousers" - this should work and you'll have all new client features. I'll keep on reading the archive of this group and answer further questions. Greetings, Heinz ___________________________________________________________________ WEB.DE FreeDSL Komplettanschluss mit DSL 6.000 Flatrate und Telefonanschluss für 17,95 Euro/mtl.! http://produkte.web.de/go/02/

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Re: [X2go-dev] Keyboard problem
by Heinz-M. Graesing 25 Jul '09

25 Jul '09

> -----Ursprüngliche Nachricht----- > Von: "Douglas Stanley" <doug(a)technologixllc.com> > Gesendet: 24.07.09 19:05:21 > Paul van der Vlis wrote: > mapping wrong. This was so annoying, that I've had to stop using x2go > for now. > > Nomachine says the problem is gone in nxnode 3.3.0-11, but so far I see > > x2go uses nxnode version 3.3.0-3. > > > > This is also interesting information about this item: > > https://bugs.launchpad.net/freenx-server/+bug/289918 > > > > On my machine I run both FreeNX and X2go. > > I am not 100% sure this is no problem. > > > > With regards, > > Paul van der Vlis. > > > Oh, and I've had the problem with both the gtk and qt clients. > > I've gone as far as to fire up one of the keyboard applications which > light up the > key on a display on screen when you press a key on the keyboard. It's > obviously > getting confused. > > Anyone solve this issue yet? > Hello Paul, Hello Douglas, Alex has done a fix for this problem which will be part of the update 3.01. This will be released soon and will contain further features like rdp tunneling (configuration inside x2goclient), desktop icon generation assistant and lxde support. There will also be a new installation option called "x2goserver-one (One Node Edition". This option will be released as metapackage, which will be configuring x2goserver automatically. In this option SQLight instead of Postgresql will be used. So please be patient, we'll try to release the new version soon! Greetings, Heinz --heinz-m. graesing-- ______________________________________________________ GRATIS für alle WEB.DE-Nutzer: Die maxdome Movie-FLAT! Jetzt freischalten unter http://movieflat.web.de

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kernel panic
by kamerun＠immerda.ch 25 Jul '09

25 Jul '09

hello, we try install thin client (pxe) with the docu http://www.linux4africa.de/x2go/ kernel is loaded, but after ti comes: kernel panic not syncing : VFS unable to mount root fs unknown block (...) when we try to mount it from a separate machine, running a linux machine, it hangs who can help? paul & michel

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Keyboard problem
by Paul van der Vlis 24 Jul '09

24 Jul '09

Hello, I have this problem: http://www.nomachine.com/tr/view.php?id=TR11F02131 In short: some keys are incorrectly mapped (like arrow up) and others don't work (like arrow left). My client and server are both Debian Lenny (I am connecting to localhost at the moment). I need the evdev driver for keyboards en mouses. Not sure if Lenny uses this driver by default (the default is an empty xorg.conf). Nomachine says the problem is gone in nxnode 3.3.0-11, but so far I see x2go uses nxnode version 3.3.0-3. This is also interesting information about this item: https://bugs.launchpad.net/freenx-server/+bug/289918 On my machine I run both FreeNX and X2go. I am not 100% sure this is no problem. With regards, Paul van der Vlis. -- http://www.vandervlis.nl/

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Wrong resolution in x2gosession
by Paul van der Vlis 24 Jul '09

24 Jul '09

Hello, I have installed x2goserver and client on the same machine (Debian Lenny). When I connect fullscreen with x2goclient to localhost, as the same user, I see that the fonts and the windows are smaller then in a normal session. I found this article about this problem: http://www.nomachine.com/ar/view.php?ar_id=AR04C00198 And this seems to be true. In the x2go session I see 75x75 dots per inch, and in my normal session I see 96x96 dots per inch. I used "xdpyinfo | grep resolution" to get this info. In the article they have a link to a solution, they say to use a variable: DEFAULT_X_DPI = "96". But I don't know how to use that in X2go. With regards, Paul van der Vlis. -- http://www.vandervlis.nl/

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Bug in x2golistsessions with z-shell
by Ralf Schulze 21 Jul '09

21 Jul '09

Hello together. I stumbled over a bug concerning the resume of sessions with users that have 'zsh' as their default shell. The problem is the following: Somewhere during the resume something like 'export HOSTNAME && x2golistsessions' is executed. In 'bash' 'export HOSTNAME' sets the environment variable to the current hostname. In 'zsh' (and probably other shells, too) this fails leaving an empty HOSTNAME envirtonment variable. I suggest to change the perl script x2golistsessions to the following: #!/usr/bin/perl use strict; use Sys::Hostname; # <-- New line ... my $serv=shift; if( ! $serv) { #$serv=$ENV{'HOSTNAME'}; # delete this $serv = hostname; # <-- New line } ... This is probably much more robust and works fine here. Ralf P.S. I'm not on the list (yet), so please CC. -- Institut für Kernphysik - Universität zu Köln -------------------- Zülpicher Str. 77 E-Mail: Ralf.Schulze(a)ikp.uni-koeln.de 50937 Köln Fon: +49 -(0)221 / 470-3649 Germany www: http://www.ikp.uni-koeln.de/~rschulze

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