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Re: [X2Go-User] X2Go-User Digest, Vol 19, Issue 5
by brian mullan 08 Mar '12

08 Mar '12

> 2. X2Go release day: x2goserver, nx-libs, x2goclient, > x2gothinclient (Mike Gabriel) > Thanks to the Dev's for the fixes. This update has resolved my ssh problems as well with x2go. Brian

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X2Go release day: x2goserver, nx-libs, x2goclient, x2gothinclient
by Mike Gabriel 07 Mar '12

07 Mar '12

Dear all, The X2Go Project is proud to announce a couple of new X2Go component releases: - x2goserver (3.1.0.1) - nx-libs incl. x2goagent (3.5.0.12) - x2goclient (3.99.1.1) - x2gothinclient (1.0.1.6) All new packages will be available in our stable repositories (Debian, Ubuntu) within the next 24h. The windows and Mac OS versions of x2goclient will probably be available tomorrow, as well. (PING: @Mihai, @Oleksandr). Sources and binary releases will be downloadable under this URL as soon as they are provided by the packagers. http://code.x2go.org/releases/ The new X2Go Server version adds ~/.x2go_logout script support to the server-side of X2Go and fixes the x2goserver-fmbindings Makefile. The NX (redistributed) code tree has received a fix for the main Makefile. Also a patch for building on Mac OS X 10.5 has been included, plus an X2Go related patch by Oleksandr. On top of that, we have fixed installation of libnx-x11 (Debian package) on 64-bit systems with multi-arch support (i.e. Debian wheezy+sid). X2GoClient and X2Go TCE have received some improvements, too. The shutdown button is now fully implemented witin X2GoClient, the x2gothinshutdown package has been dropped. The TCE also received a new and more colourful boot splash. At this point I would like to explicitly thank Mihai Moldovan for investing his time into X2Go Client development on Mac OS X. Mihai has contributed some great patches to the X2Go Client code and has also taken over the building of the Mac OS X binary of X2Go Client (including nx-libs-lite i.e. nxproxy+libxcomp3). The X2Go project--with Mihai on board--is now able to offer the X2Go Client for current Mac OS X versions again. Thanks for that, Mihai!!! light+love, Mike x2goserver (3.1.0.1-0~x2go1) RELEASE; urgency=low * New upstream version (3.1.0.1): - Provide infrastructure for on-logout script calls. - Do only run session cleanup scripts from within x2goruncommand. Dropping them from x2goterminate-session. - Be tolerant against x2go_logout script failures. - Fix Makefile of x2goserver-fmbindings (thanks to Oliver Burger), improve uninstall code in Makefiles. -- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Wed, 07 Mar 2012 21:05:28 +0100 nx-libs (2:3.5.0.12-0) RELEASE; urgency=low [ Mike Gabriel ] * Update patch: 001_add-main-makefile.full+lite.patch, adapt patch from packaging. Test for Makefiles in subfolders before calling them. Fixes build failure during ,,make distclean'' calls. * Provide temporary workaround for installation on Debian 64bit with multiarch support (via libnx-x11.postinst and .prerm). * Re-introduce proper Xinerama support on non-multiarch systems. [ Mihai Moldovan ] * Add patch: 051_nxcomp_macos105-fdisset.full+lite.patch, work around issue in Mac OS X 10.5 SDK. Pass address of fd_set structs on the stack to the FD_ISSET macro/function, instead of the struct itself. * Update patch: 005_nxcomp_gcc43.full+lite.patch, fix faulty path to nxcomp/Split.cpp. [ Oleksandr Shneyder ] * Add patch: 203_nxagent_disable-rootless-exit.full.patch, add command line argument "-norootlessexit". Usually, nxagent exits after 30 seconds if running in rootless mode and no X-Clients are present. Starting nxagent with option "-norootlessexit" will change this behaviour. -- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Wed, 07 Mar 2012 20:50:14 +0100 x2goclient (3.99.1.1-0~x2go1) RELEASE; urgency=low [ Oleksandr Shneyder ] * New upstream version (3.99.1.1): - not including <netinet/in.h> on Q_OS_WIN platform. - not updating Xinerama configuration in "fullscreen" mode. - command line argument "--xinerama": use Xinerama by default. - improved support for use in TCE command line argument --thinclient - running without window manager command line argument --haltbt - button to shutdown the thin client - Fix comments in copyright headers. [ Mike Gabriel ] * New upstream version (3.99.1.1): - Update copyright year in about window. Including all translations. - Power button icon: make inner part transparent. Needed for people with a dark GUI theme. - Prettify x2goclient.pro. [ Mihai Moldovan ] * New upstream version (3.99.1.1): - Use the Mac OS X 10.5 SDK instead 10.6 to remain compatible with Leopard. - Add .gitignore file. - The default of a 10 seconds SSH connection timeout is pretty low, especially when using tcp_wrappers with the identd option turned on. Wait for a 60 seconds timeout. - On Mac OS X connect to Xserver via Unix file socket. - Properly set DISPLAY environment variable on Mac OS X. [ Daniel Lindgren ] * New upstream version (3.99.1.1): - Update/improve Swedish translation after testing x2goclient on Windows. -- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Wed, 07 Mar 2012 20:42:36 +0100 x2gothinclient (1.0.1.6-0~x2go1) RELEASE; urgency=low [ Mike Gabriel ] * New upstream version (1.0.1.6): - Add background image support. - Add new boot splash background image. - New look'n'feel for boot splash menu. * Let x2gothinclient break and replace x2gothinshutdown. * Depend on x2goclient (>= 3.99.1.1). [ Oleksandr Shneyder ] * New upstream version (1.0.1.6): - x2gothinshutdown is removed. - Options --thinclient and --haltbt added to x2gothinclient_sessions. - x2gothinclientd is modified to use x2goclient shutdown button instead of x2gothinshutdown. - gnupg-agent, pinentry-x2go and gpgsm added to "Recommends" section for package x2gothinclient. - Changes in x2gothinclientd, pulseaudio parameter "--exit-idle-time=65535", breaking pulseaudio start command into in to several lines. -- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Wed, 07 Mar 2012 20:47:20 +0100 -- DAS-NETZWERKTEAM mike gabriel, dorfstr. 27, 24245 barmissen fon: +49 (4302) 281418, fax: +49 (4302) 281419 GnuPG Key ID 0xB588399B mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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x2go fails after Ubuntu apt-get upgrade
by Greg Rozon 07 Mar '12

07 Mar '12

I just did a package upgrade on my Ubuntu 11.10 system and my previously functional x2goserver is no longer working. When I attempt to connect to the server using x2goclient, the connection looks like it's working correctly (it begins to open the X window) but then immediately closes and displays a "Finished" status with no errors. The tail of /var/log/syslog yields little that I can see: Mar 1 15:41:12 Rozon-Desktop /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_FMBINDINGS Mar 1 15:41:12 Rozon-Desktop /usr/share/x2go/x2gofeature.d/x2goserver.features: x2goserver.features called with options: X2GO_FMBINDINGS Mar 1 15:41:12 Rozon-Desktop /usr/share/x2go/x2gofeature.d/x2goserver-gnomebindings.features: x2goserver-gnomebindings.features called with options: X2GO_FMBINDINGS Mar 1 15:41:12 Rozon-Desktop /usr/bin/x2gocmdexitmessage: x2gocmdexitmessage called with options: grozon-50-1330634466_stDgnome-session-fallback_dp32 Mar 1 15:41:12 Rozon-Desktop /usr/bin/x2gocmdexitmessage: command output starts with: Mar 1 15:41:12 Rozon-Desktop /usr/bin/x2goumount-session[10751]: db_deletemount called, session ID: grozon-50-1330634466_stDgnome-session-fallback_dp32, path: /tmp/spool_grozon/grozon-50-1330634466_stDgnome-session-fallback_dp32 Mar 1 15:41:13 Rozon-Desktop /usr/lib/x2go/x2golistsessions_sql[10833]: Purging finished session from X2Go db, session ID: grozon-50-1330634466_stDgnome-session-fallback_dp32 Mar 1 15:41:13 Rozon-Desktop /usr/bin/x2goumount-session[10851]: x2goumount-session has been called with options: grozon-50-1330634466_stDgnome-session-fallback_dp32 Mar 1 15:41:13 Rozon-Desktop /usr/bin/x2goumount-session[10851]: db_getdisplay called, session ID: grozon-50-1330634466_stDgnome-session-fallback_dp32; return value: Mar 1 15:41:13 Rozon-Desktop /usr/bin/x2goumount-session[10851]: db_getmounts called, session ID: grozon-50-1330634466_stDgnome-session-fallback_dp32; return value: Then nothing. Anything else that might be helpful in solving this one? Greg

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Re: [X2Go-User] updated x2go on my ubuntu 11.10 system and it now fails
by brian mullan 06 Mar '12

06 Mar '12

On Mon, Mar 5, 2012 at 7:48 PM, brian mullan <bmullan.mail(a)gmail.com> wrote: > I've had the flu and not been doing much until today when I finally got > back to looking at this problem with ssh & x2go. > > I've found a very good explanation of the error I am receiving after > upgrading my x2go client & servers. > > After entering my password in x2go client (ubuntu 11.10) and click OK I > see... (*sorry for the prev. embedded .PNG crap) !* > The error message displayed to the x2go client user says: > *AUTHENTICATION FAILED - * > > *Access denied. Authentication that can continue: > publickey,keyboard-interactive* > So using google to search I found... > This URL describes the issues with SSH that are involved: > http://fixunix.com/ssh/73976-difference-between-password-keyboard-interacti… > in particular this seems like a very good explanation of the problem... > although I haven't found out how to fix it ?? > > 10-03-2007 04:12 AM #3<http://fixunix.com/ssh/73976-difference-between-password-keyboard-interacti…> > Re: Difference between password and keyboard-interactive > In article <1168327274.938793.197960(a)i15g2000cwa.googlegroups. com> > "Gushi" writes: > >I can't seem to find this anywhere. > > See RFC 4252 (http://www.ietf.org/rfc/rfc4252.txt) which describes (among > other things) the mandatory password method, and RFC 4256 > (http://www.ietf.org/rfc/rfc4256.txt) which describes the optional > keyboard-interactive method. > > >*What's the difference between password auth and keyboard-interactive?* > >They'd seem to me to be the same thing, no? > > Essentially, in password the client sends username+password and gets a > yes/no response from the server, *in keyboard-interactive* the client > sends the username, and then gets prompted (possibly multiple times, > possibly zero times) by the server for additional information, before a > yes/no response is finally sent by the server. > > In the most common usage case, *keyboard-interactive *will prompt exactly > once, for the user's password (well, it will typically re-prompt if the > password is wrong:-), *which to the user looks essentially the same as > password authentication* - the difference is mainly that in the password > case, it is the client that prompts the user, while in > keyboard-interactive, the client just relays the server's prompt (and > relays the response back). > > However *keyboard-interactive* can thus support a variety of mechanisms > besides single fixed password, e.g. challenge-response types where the > server sends some random data, which the user feeds into a hardware token > that generates a response for the user to type in. Being a perfect fit for > PAM that is used on most current Unices, it allows for almost anything that > you can plug into PAM to be used by ssh without any changes to the ssh code. > * > The password method on the other hand is a very bad fit for PAM, which is > why for a while it wasn't possible to combine password and PAM in > OpenSSH's sshd.* In current versions sshd "fakes" the interaction towards > PAM, by internally supplying the password that it has already received when > PAM tries to prompt the user for it. > > --Per Hedeland > per(a)hedeland.org > > > > >

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Problem with X2GO session
by Piotr Mozdzynski 05 Mar '12

05 Mar '12

Hello. I am new to this list , sorry for starting from issues.. we are facing problems with X2go , it crashes X2GO session when we open the Office 2007 "quick access button" This does not occur on direct sessions , only when connected via X2GO. We found this article : http://www.codeweavers.com/support/tickets/browse/?ticket_id=845080; We disabled the registry in Wine , this helped and Office2007 is not crashing , but the buttons are missing and we cannot see hi-lighted text in MS-Word/Excel , several things are missing. Only what I can attach here is a line from syslog (X2go Server) : kernel: [84085.656572] x2goagent[16641]: segfault at 7f0b9dd61ff4 ip 00000000004d3650 sp 00007fff09b8aff8 error 4 in nxagent[400000+4fa000] Anyone had simmilar problems ? I remember before X2go was also crashing on some applications , but after few updates it doesn't anymore. Could not find anything more , any help to resolve this much appreciated. regards Piotr

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x2go on Android with Ubuntu Port
by Mirco Rohloff 01 Mar '12

01 Mar '12

Hello, maybe this could be a way to use an Android Tablet with X2go Client in future http://www.golem.de/news/hands-on-ubuntu-fuer-android-der-linux-desktop-auf… Regards Mirco

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Changing X2Go SSH configuration
by Ivan Hernandez 01 Mar '12

01 Mar '12

Hi list, I have been working with x2go to replace my old freenx/PXE Setup. As I use low end thinclients the cpu used for encryption is not that much powerful so I compiled hpn-ssh and made it work with the none cipher. On tests with scp it made a big difference making a file tranfer to go from 58%cpu and 8.5Mb/sec to 33%cpu and 11.6Mb/sec. So now I have to find a way to tell x2go client to use that ssh client instead of the default one, and with my options. But instead I see fixed options that I can't change like: ssh -x -a -oClearAllForwardings=yes -oServerAliveInterval=300 -oCipher=blowfish So... how can I change that?? Thanks in advance Ivan

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Call logout script
by senrabdet＠aol.com 01 Mar '12

01 Mar '12

Hi All: Is there a way to call a logout script (i.e., one that is specific to each user upon ending a session)? In Ubuntu Server 10.4 we've tried various things including .bash_logout and /etc/gdm/PostSession/Default either performing a command or calling .bash_logout. The "/etc/gdm/PostSession/Default" works if we log in directly, so assume this has something to do with xsession(?) and hope there is a way in an x2go session where when the user logs out, a script gets called in the background. Thanks!

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PyHoca-Gui in Windows 7 - Not working
by Danny Bélisle 01 Mar '12

01 Mar '12

Hi ! I try to run PyHoca-Gui in Windows7 but no chance right now, maybe you known what this trouble can be ? >From pyhoca-gui.exe.log: Traceback (most recent call last): File "pyhoca-gui", line 50, in <module> File "x2go\__init__.pyo", line 168, in <module> File "x2go\guardian.pyo", line 34, in <module> File "x2go\cleanup.pyo", line 35, in <module> File "x2go\xserver.pyo", line 30, in <module> File "wmi.pyo", line 157, in <module> File "win32com\client\__init__.pyo", line 72, in GetObject File "win32com\client\__init__.pyo", line 87, in Moniker pywintypes.com_error: (-2147024882, 'M\xe9moire insuffisante pour cette op\xe9ration.', None, None) Thanks !

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Re: [X2Go-User] X2goserver on Ubuntu 10.04.4 server...can't login.
by christoffer krakou 27 Feb '12

27 Feb '12

I'm experiencing this error as well. i'll attach a log file from one of my login attempts. The attempt was without sound enabled, though. When sound is enabled, it seems that Pulseaudio gets stuck in a loop of some sort, repeating: Feb 27 08:02:07 fleten-01 pulseaudio[29396]: [pulseaudio] main.c: User-configured server at localhost:30002, refusing to start/autospawn. about once every three seconds. I havent tried to replicate this fully, though. EDIT: I accidently cross-sent to the dev list. My sincerest apologies :( On 02/24/2012 09:07 PM, Mike Gabriel wrote: >> >> “Loop: >> PANIC! The remote NX proxy closed the connection. >> >> Loop: >> PANIC! Failure negotiating the session in stage '7'. >> >> Loop: >> PANIC! Wrong version or invalid session authentication cookie.” >> >> I try to >> uninstall and reinstalling several time, but no success. > >> I installed >> from: >> >> deb >> http://ppa.launchpad.net/x2go/ppa/ubuntu lucid main > > I can only report that I have no problems with Ubuntu 10.04.4. Could you > try with pyhoca-gui as X2Go client instead? Both server and pyhoca-gui > as client have debug capabilities. Switch them on and return to the list > with more debug output. > http://wiki.x2go.org/wiki:development:debugging > > Thanks, > Mike -- Venlig Hilsen / Best Regards Christoffer Krakou Fleten.net APS

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