[X2Go-User] nxagent

Wed Mar 7 01:45:17 CET 2018

      What I do:

 	apt purge nx* libnx* *x2go*
 	apt autoremove

      Change repos

 	apt clean all # purge the cache
 	apt install x2goserver  --install-suggests --install-recommends

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On Tue, 6 Mar 2018, Mario Theodoridis wrote:

> Date: Tue, 6 Mar 2018 15:03:52 +0100
> From: Mario Theodoridis <mario at schmut.com>
> To: x2go-user at lists.x2go.org
> Subject: Re: [X2Go-User] nxagent
> 
> On 06/03/18 14:18, martti pitkanen wrote:
>> 
>> Hi,
>> 
>> Is there hands-on instructions how to downgrade to Saimaa in Ubuntu 
>> (4.13.0-)?
>> X2Go sessions terminate in random way.
>> 
> Yes.
>
> This is what i just did more or less following Stefans advice.
>
>
> sudo mv x2go-stable-trusty.list x2go-stable-trusty.list.not
> sudo add-apt-repository ppa:x2go/saimaa
> sudo apt-get update
>
> 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
> sudo apt-get install x2goserver x2goserver-xsession
>
> This leaves me with
>
>  dpkg -l | egrep "(x2go|nx)" | sort
> ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1                        all          
> JavaScript support for Sphinx documentation
> ii  libnx-x11-6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 client-side library
> ii  libnx-xcomposite1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 Composite extension library
> ii  libnx-xdamage1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 damaged region extension library
> ii  libnx-xdmcp6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 Display Manager Control Protocol library
> ii  libnx-xext6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 miscellaneous extension library
> ii  libnx-xfixes3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 miscellaneous 'fixes' extension library
> ii  libnx-xinerama1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 Xinerama extension library
> ii  libnx-xpm4:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         
> nx-X11 pixmap library
> ii  libnx-xrandr2:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 RandR extension library
> ii  libnx-xrender1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 Rendering Extension client library
> ii  libnx-xtst6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 Testing -- Record extension library
> ii  libxcomp3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         
> nx-X11 compression library
> ii  libxcompext3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 protocol compression extensions library
> ii  libxcompshad3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1      
> i386         nx-X11 shadowing library
> ii  nxagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1      i386         NX 
> agent
> ii  nx-x11-common 2:3.5.0.33-0~201711080756~ubuntu14.04.1      all          
> nx-X11 (common files)
> ii  qtcreator-plugin-qnx:i386 3.0.1+14.04.20140410.1-0ubuntu1              
> i386         QNX plugin for Qt Creator IDE
> ii  x2goagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1      all          X2Go 
> agent
> ii  x2goserver 4.0.1.21-0~201711081403~ubuntu14.04.1        i386         X2Go 
> server daemon scripts
> ii  x2goserver-extensions 4.0.1.21-0~201711081403~ubuntu14.04.1        
> all          X2Go server daemon scripts (extensions)
> ii  x2goserver-xsession 4.0.1.21-0~201711081403~ubuntu14.04.1        
> all          X2Go server daemon scripts (Xsession runner)
> rc  libx2go-server-db-perl 4.1.0.0-0~1517~ubuntu14.04.1                 
> i386         Perl X2Go::Server:DB package
> rc  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1                 i386         X2Go 
> Client application (Qt4)
> rc  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1                 
> i386         X2Go Server (common files)
> rc  x2goserver-fmbindings 4.1.0.0-0~1517~ubuntu14.04.1                 
> all          X2Go Server (file manager bindings)
> rc  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1                 
> all          X2Go server (printing support)
> rc  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1                 
> all          X2Go Server's X2Go Agent
>
> Unfortunately i can no longer connect. It connects then disconnects.
> This is the session log
>
> $ cat /tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/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 '6173'.
> Session: Starting session at 'Tue Mar  6 14:50:08 2018'.
> Info: Proxy running in server mode with pid '6173'.
> Info: Waiting for connection from 'localhost' on port '52991'.
> Info: Accepted connection from '127.0.0.1'.
> Info: Connection with remote proxy completed.
> Info: Using WAN link parameters 1408/24/1/0.
> Info: Using agent parameters 5000/5/50/0/0.
> Info: Using cache parameters 4/4096KB/8192KB/8192KB.
> Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.
> Info: Using ZLIB data compression 1/1/32.
> Info: Using ZLIB stream compression 1/1.
> Info: No suitable cache file found.
> Info: Listening to X11 connections on display ':56'.
> Error: Aborting session with 'Unable to open display 
> 'nx/nx,options=/tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/options:56''.
> Session: Aborting session at 'Tue Mar  6 14:50:09 2018'.
> Session: Session aborted at 'Tue Mar  6 14:50:09 2018'.
> Warning: Signals were not blocked in process with pid '6173'.
> Info: Your session has died before reaching an usable state.
> Info: This can be due to the remote X server refusing access to the client.
> Info: Please check the authorization provided by your X application.
> Info: Waiting the cleanup timeout to complete.
>
> Other logs have the following:
>
> $ sudo xtail /var/log/syslog /var/log/auth.log /var/log/ConsoleKit/history
> *** /var/log/auth.log ***
> Mar  6 14:50:04 lindev sshd[5665]: Accepted password for mario from 
> 192.168.11.6 port 35874 ssh2
> Mar  6 14:50:04 lindev sshd[5665]: pam_unix(sshd:session): session opened for 
> user mario by (uid=0)
>
> *** /var/log/syslog ***
> Mar  6 14:50:04 lindev console-kit-daemon[2143]: GLib-CRITICAL: Source ID 64 
> was not found when attempting to remove it
>
> *** /var/log/ConsoleKit/history ***
> 1520344204.337 type=SEAT_ADDED : seat-id='Seat6' seat-kind=1
> 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'
> 1520344204.512 type=SEAT_ADDED : seat-id='Seat7' seat-kind=1
> 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'
> 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'
> 1520344204.520 type=SEAT_REMOVED : seat-id='Seat7' seat-kind=1
>
> *** /var/log/syslog ***
> Mar  6 14:50:08 lindev /usr/bin/x2gostartagent: successfully started X2Go 
> agent session with ID mario-56-1520344207_stDKDE_dp24
> Mar  6 14:50:13 lindev console-kit-daemon[2143]: GLib-CRITICAL: Source ID 57 
> was not found when attempting to remove it
>
> *** /var/log/auth.log ***
> Mar  6 14:50:13 lindev sshd[5720]: Received disconnect from 192.168.11.6: 11: 
> Bye Bye
> Mar  6 14:50:13 lindev sshd[5665]: pam_unix(sshd:session): session closed for 
> user mario
>
> *** /var/log/ConsoleKit/history ***
> 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'
> 1520344213.470 type=SEAT_REMOVED : seat-id='Seat6' seat-kind=1
>
>
> Somehow i believe this is system related to my box rather than packaging, but 
> i somehow can't put my finger on it.
> Anybody see anything i overlooked?
>
> -- 
> Mit freundlichen Grüßen/Kind regards
>
> Mario Theodoridis
>
>