x2go-user

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2315 discussions

Composite extension
by Ralph Sikau 09 Mar '12

09 Mar '12

Hi, we connect to a gnome session on a x2go host. This gnome session has cairo-dock installed which unfortunately cannot make use of the composite function included in metacity for real transparency. When I start xcompmgr it says "no composite extension". The x2go windows client uses vcxsrv which is supposed to be even opengl capable. Where is the handicap here? Best, Ralph

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Re: [X2Go-User] install live squeeze usb-hdd with 3.x kernel
by Stefan 09 Mar '12

09 Mar '12

sorry, this is gone to the wrong list ;-) Am Thursday 08 March 2012 schrieb Stefan: > Am Wednesday 07 March 2012 schrieb Ben Armstrong: > > I'm not sure if your response is what the user was looking for, as it > > appeared to be about installing, but there is a possibility that > > 'install' was a red herring and your advice is more along the lines of > > what he was looking for. However ... > > yes, after my mail I was thinking about the same. > > > On 07/03/12 06:40 AM, Stefan wrote: > > > you have to enable the backport-sources in the config: > > Please do not advise users to change variables in the config files. > > Those are not meant to be directly changed. You should always use 'lb > > config' instead. It is sufficient to say: > > > > $ lb config --backports true > > Ok. I got used to edit some configurations direclty - because it seems to > be more quickly. So thanks for clearing that the lb config should be the > preferred way. > > > > _______________________________________________ > X2Go-User mailing list > X2Go-User(a)lists.berlios.de > https://lists.berlios.de/mailman/listinfo/x2go-user

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NX lib path issue prevents Xubuntu 11.10 sessions from starting
by Benjamin Shadwick 09 Mar '12

09 Mar '12

I'm using Xubuntu 11.10 and can no longer login after upgrading to a recent stable version of x2goserver. I tried changing my session to open a Terminal instead of starting an X session, then tried to start the X session from the Terminal prompt, and got the following error message: xscreensaver: error while loading shared libraries: libNX_Xext.so.6: cannot open shared object file: No such file or directory xfce4-session: error while loading shared libraries: libNX_Xext.so.6: cannot open shared object file: No such file or directory My LD_LIBRARY_PATH was set to just /usr/lib/nx/X11/Xinerama but libNX_Xext.so.6 was in /usr/lib/nx/X11 I added /usr/lib/nx/X11 to LD_LIBRARY_PATH, and that seemed to get things working again. Since I am already using a script to set some environment variables in order to get a Xubuntu desktop instead of a plain XFCE one, I just added the LD_LIBRARY_PATH fix to that for now.

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Re: [X2Go-User] install live squeeze usb-hdd with 3.x kernel
by Stefan 08 Mar '12

08 Mar '12

Am Wednesday 07 March 2012 schrieb Ben Armstrong: > I'm not sure if your response is what the user was looking for, as it > appeared to be about installing, but there is a possibility that > 'install' was a red herring and your advice is more along the lines of > what he was looking for. However ... yes, after my mail I was thinking about the same. > On 07/03/12 06:40 AM, Stefan wrote: > > you have to enable the backport-sources in the config: > Please do not advise users to change variables in the config files. > Those are not meant to be directly changed. You should always use 'lb > config' instead. It is sufficient to say: > > $ lb config --backports true Ok. I got used to edit some configurations direclty - because it seems to be more quickly. So thanks for clearing that the lb config should be the preferred way.

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thinclient image and automounting usb-devices
by brian mullan 08 Mar '12

08 Mar '12

Stefan If you can configure your thin-client to boot off of USB ... 1. create a 1 or 2 GB USB stick configured to auto-boot into linux and some locked down user account 2. create the network configuration setup the thin-client will use 3. start x2goclient 4. create a new "session" 5. pre-configure the USB x2goclient with 1 Session, your various 'settings/preferences' like desktop-type, local printing, connection speed etc 6. don't enter any user ID into the USB x2goclient 7. exit the x2go client 8. configure x2goclient to be auto-run at boot 9. pre-configure the USB Linux wireless/ethernet info Shutdown the USB linux and the USB should contain a template you can make copies of. Hand out USB's to students at Registration or leave in the Thin-Clients. I've talked to some USB manufacturers and if you buy in bulk they will even pre-copy/load your USBs for you and in most cases, imprint the USB with a school mascot/banner etc. They above becomes sort of like an x2go client kiosk setup. When the thin-clients boots and network is established the x2go login screen should be presented and they will be able to log into your x2goserver and get a desktop. I've done this and its quite easy. One other benefit is that if the x2goserver at the school is setup right to provide a public IP (with security) the students could take the USB Sticks home and if they have Internet at home and a PC/laptop/netbook etc that can boot from USB then... the student can boot off their USB stick, login to their school x2go server and continue with their desktop & school work as if they'd never left the school. First question is "what if the kid loses the USB"... - anyone finding it would still not have the user ID and password to gain access to the school's x2goserver and the student's desktop. - also, since 1-2 GB USBs are so cheap now they can just be a "throw-away" expense. - Security, you can encrypt the USB, there's no user information or documents etc. ever stored on the USB itself, etc. Just an idea. by the way for 1GB USB's they are now about $2.95 each with Free Logo, 100 Piece Minimum. Brian On 03/07/2012 11:29 AM, Stefan wrote: Hi all, we plan to set up an x2go-server in a school, where people should have access to with laptops throught wlan. The laptops will have dual-boot systems an one of them should be a minimal setup with x2goclient (thinclient-image) and wlan access. It would be nice doing usb-automounting in the image - like the ltsp-thinclient environment does. They should behave thin-client like - only that they can't boot through pxe because of wlan. (For the desktops we still use ltsp - because of features like local apps and automounging ...) So users should not have to open a desktop-environment, starting x2goclient and mount local devices manualy. Are there any common approaches? Is automounting working in the tce of x2go? Thanks for your ideas. stefan

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cups-x2go problem printing multiple copies from windows terminal server. Fix inside ( i guess )
by Helmer Teles 08 Mar '12

08 Mar '12

Hello, ML. I've found a bug when i try to print multiple copies from a Windows Terminal Server to x2go-printer if the document has only one page, it only prints one copy. Strangely this does not happen if the document has more than one page. How to reproduce Open a x2go-session, open Freerdp to a windows terminal server, write a new Word Document with only one page. Now print the document with more than 1 copy. Steps to correct it: I've changed the line in /usr/lib/cups/backend/cups-x2go to: # PS2PDF command my $ps2pdf = "/usr/bin/gs -q -dCompatibilityLevel=1.4 -dNOPAUSE -dBATCH - dSAFER -sDEVICE=pdfwrite -sOutputFile=\"%s.pdf\" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode - dPDFSETTINGS=/printer -dDoNumCopies -c .setpdfwrite -f \"%s\""; FROM: # PS2PDF command my $ps2pdf = "/usr/bin/gs -q -dCompatibilityLevel=1.4 -dNOPAUSE -dBATCH - dSAFER -sDEVICE=pdfwrite -sOutputFile=\"%s.pdf\" -dAutoRotatePages=/PageByPage -dAutoFilterColorImages=false -dColorImageFilter=/FlateEncode - dPDFSETTINGS=/prepress -c .setpdfwrite -f \"%s\""; -- Helmer Teles eM@il : helmer{DOT}teles[AT] google Email Web Page: http://hteles.wordpress.com

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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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