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Bug#523: Move the complete session dir (NX_ROOT) to local file space
by Mike Gabriel 26 Jun '14

26 Jun '14

Package: x2goserver Severity: important Hi all, hi Alex, we got feedback about NX and NFS that makes me think we should move the server-side session dir completely to local file space, e.g. /tmp/.x2go-$USER/C-<sessionid> and only leave a symlink behind at its current location: ~/.x2go/C-<sessionid> ---> /tmp/.x2go-$USER/C-<sessionid> Read about deftjack's experience with NX below (thanks to "deftjack" for allowing me quoting the discussion). Mike """ [discussion on #x2go at irc.freenode.net (2014-06-26)] 23:06 < deftjack> So I have a full blown desktop on the system and it still crashes. [...] 23:36 < deftjack> well its something to do with the nfs home directories. 23:48 < deftjack> In NX you could tell it to use an alternate home directory for users. Can you do that with x2go? 23:49 < deftjack> One reason I did that with NX was to get the session info off nfs and on the local box. 23:49 < deftjack> It made things far more stable. 23:49 < deftjack> And faster. [...] 23:58 < deftjack> It was "UserNXDirectoryPath" in the node.cfg on NX. 23:58 < deftjack> Basically it told it where it should put the users .nx dir. 23:59 < deftjack> at the nxserver/nxnode level. 23:59 < deftjack> I should be able to work around this by simply making the system not use nfs homes and they will just need to be made when people are given ssh access. 23:59 < deftjack> but still use ldap auth. [...] 00:27 <@sunweaver> deftjack: are you playing with X2GO Server from the nightly builds? [...] 00:28 <@sunweaver> the nightly builds are currently broken due to a 90%-baked commit of another developer... 00:28 <@sunweaver> feedback mails have been sent, no reaction, yet. [...] 00:38 <@sunweaver> deftjack: the NX_ROOT is ~/.x2go/C-<sessionid>/ on the server. 00:39 <@sunweaver> deftjack: define "more stable" and define "and faster"... [...] 00:51 < deftjack> sunweaver: If there was ever a disruption or even significant slow down in nfs NX would timeout on access to its session info and peoples NX sessions would simply die. [...] 00:51 < deftjack> sunweaver: Faster in that writing locally to the machine was faster than nfs even on a good day. [...] 00:52 <@sunweaver> we actually should then consider moving NX_ROOT to /tmp/.x2go-$user/ completely... 00:52 < deftjack> Note we dont have crappy nfs here. Netapps but sometimes the servers would get hit hard and three would just be this threshold that would cause NX issue. 00:52 <@sunweaver> ok.... 00:52 < deftjack> sunweaver: So in NX they just allowed you to specify a different location for .nx on the nxnode(server side). 00:52 < deftjack> It worked perfectly. 00:53 < deftjack> I just put them all in /var/nxhome so user foo would have /var/nxhome/foo/.nx 00:53 <@sunweaver> this is very interesting information... [...] 00:53 < deftjack> But still have access to their nfs mounted /home/foo [...] 00:54 < deftjack> Ive also run into some selinux issues with their homes on nfs etc. Easily fixed but a pain. [...] 00:55 <@sunweaver> deftjack: may I quote your information in a post on x2go-dev mailing list ? 00:55 <@sunweaver> because we have to get the NX_ROOT issue fixed for at least one file now, anyway... [...] 01:07 < deftjack> sunweaver: absolutely. 01:07 <@sunweaver> thanks! 01:07 < deftjack> sunweaver: sorry at work, disruptions... """ -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby 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#522: Bug#522: X2Go Client for Windows will not launch unless you pass --debug
by Michael DePaulo 26 Jun '14

26 Jun '14

On Thu, Jun 26, 2014 at 10:58 AM, Stefan Baur <newsgroups.mail2(a)stefanbaur.de> wrote: > To ease debugging: > 2014-06-11 is the last working nightly build. > 2014-06-12 is already broken. The bug was introduced in commit 76777fc http://code.x2go.org/gitweb?p=x2goclient.git;a=commit;h=76777fca627f287f8d7…

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Re: [X2Go-Dev] [X2Go-Commits] [x2goserver] 01/01: x2gostartagent, x2golistsession, x2gosuspend-session and x2goresume-session getting agent state from ~/.x2go/C-$SID/state. This should help to avoid session damage. (Fixes: #302).
by Mike Gabriel 26 Jun '14

26 Jun '14

Hi Alex, > commit cee48577633c72988dd8563ceae7bf04cfe7d518 > Author: Oleksandr Shneyder <o.shneyder(a)phoca-gmbh.de> > Date: Wed Jun 25 16:43:16 2014 +0200 > > x2gostartagent, x2golistsession, x2gosuspend-session and > x2goresume-session getting agent state from ~/.x2go/C-$SID/state. > This should help to avoid session damage. (Fixes: #302). > --- > X2Go/Server/Agent.pm | 6 +- > X2Go/Server/Agent/NX.pm | 76 > +++++++------------- > debian/changelog | 5 ++ > debian/control | 1 + > x2goserver/bin/x2golistsessions | 10 ++- > x2goserver/bin/x2goresume-session | 55 ++++++++++++++ > x2goserver/bin/x2gostartagent | 6 +- > x2goserver/bin/x2gosuspend-session | 37 +++++----- > .../Agent.pm => x2goserver/lib/x2gogetagentstate | 46 +++--------- > 9 files changed, 135 insertions(+), 107 deletions(-) some more feedback on this commit... On Mi 25 Jun 2014 16:43:33 CEST, git-admin wrote: > +sub get_agent_state > +{ > + my $sess=@_[1]; > + my $user=@_[2]; > + my $state; > + my $stateFile = File::HomeDir->users_home($user) . > "/.x2go/C-".$sess."/state"; WARNING: reading as root in $HOME of other users completely breaks X2Go installations with homes on NFS with root-squash option enabled (normally the default). It also breaks X2Go on machines with NFSv4 encrypted homes or AFS homes. Please note that I moved the session log file (which we scanned before this commit for the session status) to /tmp/.x2go-$user/session-C-<sessionid>.log with some earlier commits to fix NFS homes breakage. Actually, the state file should also go to /tmp/.x2go-$user/session-C-<sessionid>.state. Please fix that, so X2Go Server continues running smoothly for users with NFS homes. Additionally, this would allow us to move the session.log file back to $HOME/.x2go/C-<sessionid>/session.log and drop the symlink to /tmp... at that location. > + if (! -e $stateFile ) > + { > + die "state file not exists: $stateFile\n"; > + } > + else > + { > + open(F,"<$stateFile"); > + $state=<F>; > + close(F); > + } > + return $state; > +} > diff --git a/debian/control b/debian/control > index 373738e..5976f26 100644 > --- a/debian/control > +++ b/debian/control > @@ -21,6 +21,7 @@ Depends: > ${misc:Depends}, > libfile-basedir-perl, > libfile-readbackwards-perl, > + libfile-homedir-perl, > libtry-tiny-perl, > libx2go-server-perl (>= ${source:Version}), libx2go-server-perl > (<< ${source:Version}.1~), > x2goagent (>= 2:3.5.0.25-0~), Fixing the above part for the location of the state file will also allow us to drop this extra dependency again. Please remove that, if your solution for the above problem drops File::HomeDir. Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby 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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Use of the EPEL name
by Orion Poplawski 26 Jun '14

26 Jun '14

I don't like the use of the EPEL name here http://wiki.x2go.org/doku.php/wiki:development:nightly-builds#nightly_build… as I think it is causing confusion between the X2Go packages provided by the X2Go project and those provided by the actual Fedora EPEL project. I propose changing EPEL to RHEL in that section. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion(a)nwra.com Boulder, CO 80301 http://www.nwra.com

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Bug#522: X2Go Client for Windows will not launch unless you pass --debug
by Michael DePaulo 26 Jun '14

26 Jun '14

Package: x2goclient Severity: Grave This only affects current nightly builds on the master branch (4.0.2.1.) Like the subject says, X2Go Client for Windows will not launch unless you pass --debug. If you do not pass --debug, no window ever opens, there is no error message, and the x2goclient.exe process terminates within a second. Observed on Windows 8.1 (with update 1) 64-bit. This regression appears to have been introduced over the last few weeks or so, (possibly by me.)

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Processed: found 522 4.0.2.1-preview
by owner＠bugs.x2go.org 26 Jun '14

26 Jun '14

Processing commands for control(a)bugs.x2go.org: > found 522 4.0.2.1-preview Bug #522 [x2goclient] X2Go Client for Windows will not launch unless you pass --debug There is no source info for the package 'x2goclient' at version '4.0.2.1-preview' with architecture '' Unable to make a source version for version '4.0.2.1-preview' Marked as found in versions 4.0.2.1-preview. > End of message, stopping processing here. Please contact me if you need assistance. -- 522: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=522 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#521: Wiki: List of Sponsorable Features needs updating
by Stefan Baur 26 Jun '14

26 Jun '14

Package: wiki.x2go.org http://wiki.x2go.org/doku.php/wiki:development:new-feature-brainstorming should be amended/expanded with entries for - Android client (According to Mike#1, this would probably be rather easy to do) - X-Server rewrite (nxproxy?) - Huge task This is a forget-me-not type of bug, as the wiki is still locked for maintenance (the DNS change hasn't propagated to all DNS servers yet) -Stefan

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Bug#302: No session resume
by Avi Elbaz 26 Jun '14

26 Jun '14

Package: x2goserver Version: 4.0.1.6-0~712~precise1 Hello, It is not possible to resume the session with windows X2Go client V.4.0.1.0 , even if it is correctly suspended before. This problem appear with the x2goserver update from v 4.0.0.2-0~667~precise1 to the last 4.0.1.6-0~712~precise1 version, before everything was working perfectly :/ To have a new session I need to kill the previous one. Below I paste the content from some log, Best regards from Paris and thank a lot for your software, Avi *The windows file "session":* * * *Loop: WARNING! Unrecognized session type 'unix-kde-depth_32'. Assuming agent session.** **Auth: WARNING! Failed to read data from the X auth command.** **Auth: WARNING! Generating a fake cookie for X authentication.** **Loop: WARNING! Could not retrieve the X server authentication cookie.* * * *The server session.log:* * **running as X2Go Agent** ** **NXAGENT - Version 3.5.0** ** **Copyright (C) 2001, 2011 NoMachine.** **See http://www.nomachine.com/ for more information.** ** **Info: Agent running with pid '7219'.** **Session: Starting session at 'Thu Sep 5 16:54:51 2013'.** **Info: Proxy running in server mode with pid '7219'.** **Info: Waiting for connection from 'localhost' on port '30001'.** **Info: Accepted connection from '127.0.0.1'.** **Info: Connection with remote proxy completed.** **Info: Using ADSL link parameters 512/24/1/0.** **Info: Using agent parameters 5000/10/50/0/0.** **Info: Using cache parameters 4/4096KB/8192KB/8192KB.** **Info: Using pack method '16m-jpeg-7' with session 'unix-kde-depth_32'.** **Info: Using ZLIB data compression 1/1/32.** **Info: Using ZLIB stream compression 4/4.** **Info: No suitable cache file found.** **Info: Listening to X11 connections on display ':50'.** **Info: Established X client connection.** **Info: Using shared memory parameters 1/1/0/0K.** **Info: Using alpha channel in render extension.** **Info: Not using local device configuration changes.** **keyboard file created** **SessionPath not defined** **Session: Session started at 'Thu Sep 5 16:54:54 2013'.** **Info: Screen [0] resized to geometry [800x600] fullscreen [0].** **Info: Screen [0] resized to geometry [1616x1028] fullscreen [0].** **Session: Suspending session at 'Thu Sep 5 16:56:07 2013'.** **Info: Waiting the cleanup timeout to complete.** **Session: Session suspended at 'Thu Sep 5 16:56:07 2013'.** **Session: Resuming session at 'Thu Sep 5 16:56:20 2013'.** **Info: Proxy running in server mode with pid '7219'.** **Info: Waiting for connection from 'localhost' on port '30001'.** **Info: Aborting the procedure due to signal '15'.** **Session: Display failure detected at 'Thu Sep 5 16:57:02 2013'.** **Session: Suspending session at 'Thu Sep 5 16:57:02 2013'.** **Session: Session suspended at 'Thu Sep 5 16:57:02 2013'.** *

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Bug#302: (no subject)
by Oleksandr Shneyder 26 Jun '14

26 Jun '14

""" Control: tag -1 - pending Control: reassign -1 nxagent Control: tag -1 confirmed Hi all, I made some changes in nx and x2goserver sources: http://code.x2go.org/gitweb?p=x2goserver.git;a=commit;h=cee48577633c72988dd… http://code.x2go.org/gitweb?p=nx-libs.git;a=commit;h=c62b81304ca9906fe608f7… http://code.x2go.org/gitweb?p=nx-libs.git;a=commit;h=9f6eb6f796e81b00ff5b37… This should fix #302 I was able to restore all sessions on windows an Linux after crashes of x2goclient, nxproxy and by network failure. Please test it. Regards, Alex """ -- ----------------------------------------------------------- Oleksandr Shneyder | Email: o.shneyder(a)phoca-gmbh.de phoca GmbH | Tel. : 0911 - 14870374 0 Ludwig-Feuerbach-str. 18 | Fax. : 0911 - 14870374 9 D-90489 Nürnberg | Mobil: 0163 - 49 64 461 Geschäftsführung: Dipl.-Inf. Oleksandr Shneyder Amtsgericht München | http://www.phoca-gmbh.de HRB 196 658 | http://www.x2go.org USt-IdNr.: DE281977973 -----------------------------------------------------------

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Bug#302: X2Go issue (in src:x2goserver) has been marked as pending for release
by Oleksandr Shneyder 25 Jun '14

25 Jun '14

tag #302 pending fixed #302 4.1.0.0 thanks Hello, X2Go issue #302 (src:x2goserver) reported by you has been fixed in X2Go Git. You can see the changelog below, and you can check the diff of the fix at: http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=cee4857 The issue will most likely be fixed in src:x2goserver (4.1.0.0). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit cee48577633c72988dd8563ceae7bf04cfe7d518 Author: Oleksandr Shneyder <o.shneyder(a)phoca-gmbh.de> Date: Wed Jun 25 16:43:16 2014 +0200 x2gostartagent, x2golistsession, x2gosuspend-session and x2goresume-session getting agent state from ~/.x2go/C-$SID/state. This should help to avoid session damage. (Fixes: #302). diff --git a/debian/changelog b/debian/changelog index 2f9906f..5a0fc35 100644 --- a/debian/changelog +++ b/debian/changelog @@ -114,6 +114,11 @@ x2goserver (4.1.0.0-0x2go1.1) UNRELEASED; urgency=low * New upstream version (4.1.0.0): - Use new script x2gopath in Perl::API. (Fixes: #86). + [ Oleksandr Shneyder ] + * x2gostartagent, x2golistsession, x2gosuspend-session and x2goresume-session + getting agent state from ~/.x2go/C-$SID/state. This should help to avoid + session damage. (Fixes: #302). + -- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Fri, 09 May 2014 13:06:24 +0200 x2goserver (4.0.1.16-0x2go1) UNRELEASED; urgency=low

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