The first thing I'd do is ssh to the box as $USER and delete .Xauthority and/ or .xhost from the home for, then rm -r the .x2go user session folder. Then try again.
If that doesn't fix it, can you ssh -X user@host from a client that is X11 capable (Ubuntu client?) and run a simple xterm ? Matt > On Jun 7, 2016, at 2:13 PM, M.Rule <[email protected]> wrote: > > We recently moved a server to a new network and x2go is not longer working. > The x2go client crashes too quickly to view or copy the error messages that > occur before it fails. > > On the server side, I can see these messages in this in auth.log. I've > replaced all possible identifying information (hopefully) with bash-style > variable substituions (e.g. $USER). I apologize as this reduces clarity, but > I don't want any identifiable details on record. > > $DATE $TIME $HOSTNAME sshd[14538]: reverse mapping checking getaddrinfo for > $INTERNET_PROVIDER [$INTERNET_PROVIDER_IP] failed - POSSIBLE BREAK-IN ATTEMPT! > $DATE $TIME $HOSTNAME sshd[14538]: Accepted publickey for $USER from > $INTERNET_PROVIDER_IP port 49488 ssh2: RSA $A_RSA_KEY > $DATE $TIME $HOSTNAME sshd[14538]: pam_unix(sshd:session): session opened for > user $USER by (uid=0) > $DATE $TIME $HOSTNAME systemd-logind[1544]: New session 10 of user $USER. > $DATE $TIME $HOSTNAME su[15451]: Successful su for $USER by root > $DATE $TIME $HOSTNAME su[15451]: + ??? root:$USER > $DATE $TIME $HOSTNAME su[15451]: pam_unix(su:session): session opened for > user $USER by (uid=0) > $DATE $TIME $HOSTNAME systemd-logind[1544]: New session c20 of user $USER. > $DATE $TIME $HOSTNAME su[15451]: pam_unix(su:session): session closed for > user $USER > $DATE $TIME $HOSTNAME su[15468]: Successful su for $USER by root > $DATE $TIME $HOSTNAME su[15468]: + ??? root:$USER > $DATE $TIME $HOSTNAME su[15468]: pam_unix(su:session): session opened for > user $USER by (uid=0) > $DATE $TIME $HOSTNAME systemd-logind[1544]: Removed session c20. > $DATE $TIME $HOSTNAME systemd-logind[1544]: New session c21 of user $USER. > $DATE $TIME $HOSTNAME sshd[14538]: pam_unix(sshd:session): session closed for > user $USER > $DATE $TIME $HOSTNAME su[15468]: pam_unix(su:session): session closed for > user $USER > $DATE 17:04:56 $HOSTNAME systemd-logind[1544]: Removed session c21. > $DATE 17:05:01 $HOSTNAME systemd-logind[1544]: Removed session 10. > > I'm not really familiar with things like this, but it looks like it is > repeatedly creating new sessions, and then these sessions are closed (for > some reason). I don't understand form these messages. > > On the client side, this is as much of the log as I can get before the > program crashes. I haven't been able to locate the x2go client logfiles . > > NXPROXY - Version 3.5.0 > > Copyright (C) 2001, 2010 NoMachine. > See http://www.nomachine.com/ for more information. > > Info: Proxy running in client mode with pid '534'. > Session: Starting session at 'Tue $DATE 21:55:25 2016'. > Info: Connecting to remote host 'localhost:31001'. > Info: Connection to remote proxy 'localhost:31001' established. > Info: Connection with remote proxy completed. > Warning: Unrecognized session type 'unix-kde-depth_32'. Assuming agent > session. > Warning: Failed to read data from the X auth command. > Warning: Generated a fake cookie for X authentication. > Info: Using MODEM link parameters 256/24/1/0. > Info: Using cache parameters 4/4096KB/8192KB/8192KB. > Info: Using pack method '4k-png-3' with session 'unix-kde-depth_32'. > InfoInfo: Established X server connection. > Info: Using shared memory parameters 0/0K. > > Can anyone help me debug this? I need more detailed errors if I'm going to > solve this on my own -- I can't really access all the error messages, nor > interpret the errors available, at the moment. > > Thanks in advance if you're able to help. > Best, > M. Rule. > _______________________________________________ > x2go-user mailing list > [email protected] > http://lists.x2go.org/listinfo/x2go-user
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