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    <div class="moz-cite-prefix">On 06/03/18 14:18, martti pitkanen
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:fe33a5e5-84f3-cbf8-22bb-f3a1eeb5165c@aplcomp.fi">
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      <p>Hi,</p>
      <p>Is there hands-on instructions how to downgrade to Saimaa in
        Ubuntu (4.13.0-)?<br>
        X2Go sessions terminate in random way.<br>
      </p>
    </blockquote>
    Yes.<br>
    <br>
    This is what i just did more or less following Stefans advice.<br>
    <br>
    <br>
    sudo mv x2go-stable-trusty.list x2go-stable-trusty.list.not<br>
    sudo add-apt-repository ppa:x2go/saimaa<br>
    sudo apt-get update<br>
    <br>
    sudo apt-get remove libnx-x11-6:i386 nxagent nxproxy nx-x11-common
    x2goclient x2goserver* libx2go-log-perl libx2go-server-db-perl
    libx2go-server-perl libxcomp3:i386 libxcompshad3:i386<br>
    sudo apt-get install x2goserver x2goserver-xsession<br>
    <br>
    This leaves me with<br>
    <br>
     dpkg -l | egrep "(x2go|nx)" | sort <br>
    ii  libjs-sphinxdoc                                            
    1.2.2+dfsg-1ubuntu1.1                        all          JavaScript
    support for Sphinx documentation<br>
    ii  libnx-x11-6:i386                                           
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    client-side library<br>
    ii  libnx-xcomposite1:i386                                     
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    Composite extension library<br>
    ii  libnx-xdamage1:i386                                        
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    damaged region extension library<br>
    ii  libnx-xdmcp6:i386                                          
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    Display Manager Control Protocol library<br>
    ii  libnx-xext6:i386                                           
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    miscellaneous extension library<br>
    ii  libnx-xfixes3:i386                                         
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    miscellaneous 'fixes' extension library<br>
    ii  libnx-xinerama1:i386                                       
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    Xinerama extension library<br>
    ii  libnx-xpm4:i386                                            
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    pixmap library<br>
    ii  libnx-xrandr2:i386                                         
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    RandR extension library<br>
    ii  libnx-xrender1:i386                                        
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    Rendering Extension client library<br>
    ii  libnx-xtst6:i386                                           
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    Testing -- Record extension library<br>
    ii  libxcomp3:i386                                             
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    compression library<br>
    ii  libxcompext3:i386                                          
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    protocol compression extensions library<br>
    ii  libxcompshad3:i386                                         
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         nx-X11
    shadowing library<br>
    ii  nxagent                                                    
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         NX agent<br>
    ii  nx-x11-common                                              
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      all          nx-X11
    (common files)<br>
    ii  qtcreator-plugin-qnx:i386                                  
    3.0.1+14.04.20140410.1-0ubuntu1              i386         QNX plugin
    for Qt Creator IDE<br>
    ii  x2goagent                                                  
    2:3.5.0.33-0~201711080756~ubuntu14.04.1      all          X2Go agent<br>
    ii  x2goserver                                                 
    4.0.1.21-0~201711081403~ubuntu14.04.1        i386         X2Go
    server daemon scripts<br>
    ii  x2goserver-extensions                                      
    4.0.1.21-0~201711081403~ubuntu14.04.1        all          X2Go
    server daemon scripts (extensions)<br>
    ii  x2goserver-xsession                                        
    4.0.1.21-0~201711081403~ubuntu14.04.1        all          X2Go
    server daemon scripts (Xsession runner)<br>
    rc  libx2go-server-db-perl                                     
    4.1.0.0-0~1517~ubuntu14.04.1                 i386         Perl
    X2Go::Server:DB package<br>
    rc  x2goclient                                                 
    4.1.1.1-0~1719~ubuntu14.04.1                 i386         X2Go
    Client application (Qt4)<br>
    rc  x2goserver-common                                          
    4.1.0.0-0~1517~ubuntu14.04.1                 i386         X2Go
    Server (common files)<br>
    rc  x2goserver-fmbindings                                      
    4.1.0.0-0~1517~ubuntu14.04.1                 all          X2Go
    Server (file manager bindings)<br>
    rc  x2goserver-printing                                        
    4.1.0.0-0~1517~ubuntu14.04.1                 all          X2Go
    server (printing support)<br>
    rc  x2goserver-x2goagent                                       
    4.1.0.0-0~1517~ubuntu14.04.1                 all          X2Go
    Server's X2Go Agent<br>
    <br>
    Unfortunately i can no longer connect. It connects then disconnects.<br>
    This is the session log<br>
    <br>
    $ cat /tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/session.log
    <br>
    <br>
    running as X2Go Agent<br>
    <br>
    NXAGENT - Version 3.5.0<br>
    <br>
    Copyright (C) 2001, 2011 NoMachine.<br>
    See <a class="moz-txt-link-freetext" href="http://www.nomachine.com/">http://www.nomachine.com/</a> for more information.<br>
    <br>
    Info: Agent running with pid '6173'.<br>
    Session: Starting session at 'Tue Mar  6 14:50:08 2018'.<br>
    Info: Proxy running in server mode with pid '6173'.<br>
    Info: Waiting for connection from 'localhost' on port '52991'.<br>
    Info: Accepted connection from '127.0.0.1'.<br>
    Info: Connection with remote proxy completed.<br>
    Info: Using WAN link parameters 1408/24/1/0.<br>
    Info: Using agent parameters 5000/5/50/0/0.<br>
    Info: Using cache parameters 4/4096KB/8192KB/8192KB.<br>
    Info: Using pack method '16m-jpeg-9' with session
    'unix-kde-depth_24'.<br>
    Info: Using ZLIB data compression 1/1/32.<br>
    Info: Using ZLIB stream compression 1/1.<br>
    Info: No suitable cache file found.<br>
    Info: Listening to X11 connections on display ':56'.<br>
    Error: Aborting session with 'Unable to open display
'nx/nx,options=/tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/options:56''.<br>
    Session: Aborting session at 'Tue Mar  6 14:50:09 2018'.<br>
    Session: Session aborted at 'Tue Mar  6 14:50:09 2018'.<br>
    Warning: Signals were not blocked in process with pid '6173'.<br>
    Info: Your session has died before reaching an usable state.<br>
    Info: This can be due to the remote X server refusing access to the
    client.<br>
    Info: Please check the authorization provided by your X application.<br>
    Info: Waiting the cleanup timeout to complete.<br>
    <br>
    Other logs have the following:<br>
    <br>
    $ sudo xtail /var/log/syslog /var/log/auth.log
    /var/log/ConsoleKit/history<br>
    *** /var/log/auth.log ***<br>
    Mar  6 14:50:04 lindev sshd[5665]: Accepted password for mario from
    192.168.11.6 port 35874 ssh2<br>
    Mar  6 14:50:04 lindev sshd[5665]: pam_unix(sshd:session): session
    opened for user mario by (uid=0)<br>
    <br>
    *** /var/log/syslog ***<br>
    Mar  6 14:50:04 lindev console-kit-daemon[2143]: GLib-CRITICAL:
    Source ID 64 was not found when attempting to remove it<br>
    <br>
    *** /var/log/ConsoleKit/history ***<br>
    1520344204.337 type=SEAT_ADDED : seat-id='Seat6' seat-kind=1<br>
    1520344204.339 type=SEAT_SESSION_ADDED : seat-id='Seat6'
    session-id='Session5' session-type='' session-x11-display=''
    session-x11-display-device='' session-display-device='/dev/ssh'
    session-remote-host-name='fatty.de.regify.com'
    session-is-local=FALSE session-unix-user=1000
    session-creation-time='2018-03-06T13:50:04.336908Z'<br>
    1520344204.512 type=SEAT_ADDED : seat-id='Seat7' seat-kind=1<br>
    1520344204.514 type=SEAT_SESSION_ADDED : seat-id='Seat7'
    session-id='Session6' session-type='' session-x11-display=''
    session-x11-display-device='' session-display-device='/dev/pts/2'
    session-remote-host-name='fatty.de.regify.com'
    session-is-local=FALSE session-unix-user=1000
    session-creation-time='2018-03-06T13:50:04.512161Z'<br>
    1520344204.519 type=SEAT_SESSION_REMOVED : seat-id='Seat7'
    session-id='Session6' session-type='' session-x11-display=''
    session-x11-display-device='' session-display-device='/dev/pts/2'
    session-remote-host-name='fatty.de.regify.com'
    session-is-local=FALSE session-unix-user=1000
    session-creation-time='2018-03-06T13:50:04.512161Z'<br>
    1520344204.520 type=SEAT_REMOVED : seat-id='Seat7' seat-kind=1<br>
    <br>
    *** /var/log/syslog ***<br>
    Mar  6 14:50:08 lindev /usr/bin/x2gostartagent: successfully started
    X2Go agent session with ID mario-56-1520344207_stDKDE_dp24<br>
    Mar  6 14:50:13 lindev console-kit-daemon[2143]: GLib-CRITICAL:
    Source ID 57 was not found when attempting to remove it<br>
    <br>
    *** /var/log/auth.log ***<br>
    Mar  6 14:50:13 lindev sshd[5720]: Received disconnect from
    192.168.11.6: 11: Bye Bye<br>
    Mar  6 14:50:13 lindev sshd[5665]: pam_unix(sshd:session): session
    closed for user mario<br>
    <br>
    *** /var/log/ConsoleKit/history ***<br>
    1520344213.470 type=SEAT_SESSION_REMOVED : seat-id='Seat6'
    session-id='Session5' session-type='' session-x11-display=''
    session-x11-display-device='' session-display-device='/dev/ssh'
    session-remote-host-name='fatty.de.regify.com'
    session-is-local=FALSE session-unix-user=1000
    session-creation-time='2018-03-06T13:50:04.336908Z'<br>
    1520344213.470 type=SEAT_REMOVED : seat-id='Seat6' seat-kind=1<br>
    <br>
    <br>
    Somehow i believe this is system related to my box rather than
    packaging, but i somehow can't put my finger on it.<br>
    Anybody see anything i overlooked?<br>
    <br>
    <pre class="moz-signature" cols="72">-- 
Mit freundlichen Grüßen/Kind regards

Mario Theodoridis</pre>
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