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nx-libs 3.5.0.18 failing to build in launchpad PPA
by Matthew L. Dailey 28 Mar '13

28 Mar '13

Greetings. I'm not sure I can e-mail the dev list, but I figured I'd give it a try, since this seems more appropriate than the users list. :-) I was looking at the Launchpad PPA for X2Go today and noticed that the nx-libs packages for 3.5.0.18 are not successfully building: <https://launchpad.net/~x2go/+archive/baikal/+builds?build_text=nx-libs&buil…>. Looking at the build log, it seems related to the fix for bug #145. It looks like debian/Makefile.nx-libs is trying to source replace.sh, but the file is actually Makefile.replace.sh so it fails when trying to call string_rep(). The roll-tarball.sh script copies this file to replace.sh, but my guess is that this isn't invoked in the launchpad build process. Hopefully someone with a better understanding of the patch and build process can find a quick fix. Thanks for your hard work and let me know if you have any questions. Best, Matt -- Matthew L. Dailey Systems Administrator Thayer School of Engineering Dartmouth College

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Bug#151: Issue resolved in x2goclient.git
by Mike Gabriel 28 Mar '13

28 Mar '13

tag #151 pending fixed #151 4.0.1.1 thanks The reported issue has been resolved (by Alex) with this commit: http://code.x2go.org/gitweb?p=x2goclient.git;a=commitdiff;h=feef5058b44f1db… Thanks, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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Bug#156: Issue resolved in nx-libs 3.5.0.20
by Mike Gabriel 28 Mar '13

28 Mar '13

close #156 thanks The reported issue has been solved in nx-libs 3.5.0.20. Thanks for reporting, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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Bug#153: Provide SSH brokerage functionality in x2gobroker.git
by Mike Gabriel 28 Mar '13

28 Mar '13

Package: x2gobroker Severity: wishlist It should not be too difficult to add SSH broker mode functionality to X2Go Session Broker. So here is the request for the wishlist. Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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Bug#152: Add status={S, R] to session profile list items when returned through X2Go Session Broker
by Mike Gabriel 28 Mar '13

28 Mar '13

Package: x2gobroker Severity: wishlist Version: 0.0.1.0 X2Go Client supports the status session profile parameter (possible values: S, R). Let X2Go Session Broker provide such status information if available. Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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Can't connect after latest updates
by Daniel Lindgren 28 Mar '13

28 Mar '13

Hi. I updated my Debian Wheezy servers today (packages.x2go.org in sources.list), after that I no longer can connect to the servers, I get this message when I try with x2goclient-cli: channel 1: open failed: connect failed: Connection refused If i try with x2goclient I get an error message stating something like "The server didn't reply with an expected encryption key type. It could mean that the server has been compromised". I have no problem using SSH keys to start an SSH session to the same servers. apt history looks like this: Start-Date: 2013-03-28 11:57:38 Commandline: /usr/bin/apt-get upgrade Upgrade: libdpkg-perl:amd64 (1.16.9, 1.16.10), libxcompext3:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1), nxagent:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1), libxcomp3:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1), libspandsp2:amd64 (0.0.6~pre20-3, 0.0.6~pre20-3.1), libxcompshad3:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1), dpkg:amd64 (1.16.9, 1.16.10), x2goagent:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1), google-chrome-stable:amd64 (25.0.1364.172-r187217, 26.0.1410.43-r189671), keepassx:amd64 (0.4.3-2, 0.4.3+dfsg-0.1), dpkg-dev:amd64 (1.16.9, 1.16.10), nxproxy:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1), libnx-x11:amd64 (3.5.0.17-0+wheezy~main~385~build1, 3.5.0.19-0+wheezy~main~401~build1) End-Date: 2013-03-28 11:58:10 Any ideas? Cheers, Daniel

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Documentation of X2Go Session Brokerage
by Mike Gabriel 28 Mar '13

28 Mar '13

Hi all, I have added two new articles to the X2Go Wiki that explain how X2Go Session Brokerage works [1,2]. Next articles will be about how to setup x2gobroker.git. The articles referred to above are of a more generic nature (and have been orginally provided by Alex). Greets, Mike [1] http://wiki.x2go.org/doku.php/wiki:advanced:x2gobroker:start [2] http://wiki.x2go.org/doku.php/wiki:advanced:x2gobroker:howitworks -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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Re: [X2Go-Dev] [X2Go-User] 25 user logon problem
by Mike Gabriel 28 Mar '13

28 Mar '13

Hi Thomas, On Sa 23 Mär 2013 16:28:28 CET Thomas Hanschke wrote: > Hello everyone; > > I have set up a x2go terminal-server on ubuntu 12.04 in our school. > There are 25 thinclients (wyse with windows7 embedded) in a classroom. > The thinclients start with an openbox-session. So far it works fine, but > there is a little problem: > > If more than 2 or 3 clients log on at exactly the same time, some of > them stop at the black screen before the gray X2Go Logo appears. > There is no error message. With a little timeshift of 2 or 3 seconds > between the logons, there are no problems. > > Can anyone get a little help to solve this? You experience a race condition where the server tries to allocate a display port per session and if two users log in very simulataneously, the second user won't get a valid display. I am not sure if this can be avoided really reliably. However, instead of incrementing the X2GO_PORT by 1 in x2gostartagent (in case the probed port is not usable anymore) we could increment the X2GO_PORT by some random value (between 1 and 30). Then it could still be that two clients try to get the same DISPLAY port (in case two random calls deliver the same value), but the failing logins should reduce by far. I Cc: our -dev list for further comment. Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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Bug#151: Limit tunneled (localhost -> localhost) traffic to IPv4
by Mike Gabriel 28 Mar '13

28 Mar '13

Package: x2goclient Version 4.0.1.0 Severity: grave Tag: ipv6 Hi Alex, Orion reported this issue on IRC: https://red.libssh.org/issues/101 To work around it, I guess, we should limit the tunnel connections in X2Go to IPv4 (as they are localhost to localhost connections anyway). Here is the IRC backlog of the reported issue: 18:51 < orionp> Is there a known issue with x2client and ssh proxy connections with passwords? I'm getting "connection refused". 18:56 < neverpanic> you mean your ssh host is password-protected? No, that works. 18:56 < neverpanic> at least for me 18:57 < neverpanic> connection refused doesn't sound like an authentication issue anyway 18:57 < orionp> It seems to be a ssh hanshake issue 18:57 < orionp> handshake 18:57 < orionp> It seems like this used to work for me, but now it doesn't 18:58 < orionp> Even with ssh-agent it fails now, though with a different error. 19:47 < orionp> Hmm, looks like a race condition - tries to connect to the ssh tunnel port before it is bound Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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libjpeg-turbo 1.2.90 uploaded to X2Go project's Debian archive
by Mike Gabriel 26 Mar '13

26 Mar '13

Hi all, being one of the official maintainers of libjpeg-turbo in Debian, I have also uploaded libjpeg-turbo to the X2Go project's Debian archive. For Debian, at the time of writing libjpeg-turbo will not replace libjpeg8 (as it happened with many other distros). Neither will the compat mode packages of libjpeg-turbo (named: libjpeg8-turbo) be provided in the Debian project's archive. However, for X2Go I have built a special version of libjpeg-turbo that provides these drop-in replacement packages for libjpeg8: libjpeg8-turbo libjpeg-turbo-progs libjpeg8-turbo-dev (do not use!) With these packages you can tremendously enhance X2Go. The packages have been uploaded for wheezy and sid, I plan to provide a backport for squeeze, as well. However, NOTE: The libjpeg8-turbo ABI is not 100% compatible with libjpeg8 from the International JPEG Group, so please use these packages at your own risk. Installing libjpeg8-turbo will force every installed application that had been linked against libjpeg8 to use the symbols in libjpeg8-turbo. For me it works, but will it for you? @Ubuntu users: Ubuntu has replaced libjpegX by libjpeg-turbo a while ago, so please ignore this post. This is for Debian users only. Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 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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