<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>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.</div><div><br></div><div>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 ?</div><div><br></div><div>Matt</div><div><br></div><div><br>On Jun 7, 2016, at 2:13 PM, M.Rule <<a href="mailto:mrule7404@gmail.com">mrule7404@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><div><div><div><div>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.<br><br>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. $USER). I apologize as this reduces clarity, but I don't want any identifiable details on record.<br><span style="font-family:monospace,monospace"><br>$DATE $TIME $HOSTNAME sshd[14538]: reverse mapping checking getaddrinfo for $INTERNET_PROVIDER [$INTERNET_PROVIDER_IP] failed - POSSIBLE BREAK-IN ATTEMPT!<br>$DATE $TIME $HOSTNAME sshd[14538]: Accepted publickey for $USER from $INTERNET_PROVIDER_IP port 49488 ssh2: RSA $A_RSA_KEY<br>$DATE $TIME $HOSTNAME sshd[14538]: pam_unix(sshd:session): session opened for user $USER by (uid=0)<br>$DATE $TIME $HOSTNAME systemd-logind[1544]: New session 10 of user $USER.<br>$DATE $TIME $HOSTNAME su[15451]: Successful su for $USER by root<br>$DATE $TIME $HOSTNAME su[15451]: + ??? root:$USER<br>$DATE $TIME $HOSTNAME su[15451]: pam_unix(su:session): session opened for user $USER by (uid=0)<br>$DATE $TIME $HOSTNAME systemd-logind[1544]: New session c20 of user $USER.<br>$DATE $TIME $HOSTNAME su[15451]: pam_unix(su:session): session closed for user $USER<br>$DATE $TIME $HOSTNAME su[15468]: Successful su for $USER by root<br>$DATE $TIME $HOSTNAME su[15468]: + ??? root:$USER<br>$DATE $TIME $HOSTNAME su[15468]: pam_unix(su:session): session opened for user $USER by (uid=0)<br>$DATE $TIME $HOSTNAME systemd-logind[1544]: Removed session c20.<br>$DATE $TIME $HOSTNAME systemd-logind[1544]: New session c21 of user $USER.<br>$DATE $TIME $HOSTNAME sshd[14538]: pam_unix(sshd:session): session closed for user $USER<br>$DATE $TIME $HOSTNAME su[15468]: pam_unix(su:session): session closed for user $USER<br>$DATE 17:04:56 $HOSTNAME systemd-logind[1544]: Removed session c21.<br>$DATE 17:05:01 $HOSTNAME systemd-logind[1544]: Removed session 10.</span><br><br>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.<br><br>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 .<br><span style="font-family:monospace,monospace"><br>NXPROXY - Version 3.5.0<br><br>Copyright (C) 2001, 2010 NoMachine.<br>See <a href="http://www.nomachine.com/">http://www.nomachine.com/</a> for more information.<br><br>Info: Proxy running in client mode with pid '534'.<br>Session: Starting session at 'Tue $DATE 21:55:25 2016'.<br>Info: Connecting to remote host 'localhost:31001'.<br>Info: Connection to remote proxy 'localhost:31001' established.<br>Info: Connection with remote proxy completed.<br>Warning: Unrecognized session type 'unix-kde-depth_32'. Assuming agent session.<br>Warning: Failed to read data from the X auth command.<br>Warning: Generated a fake cookie for X authentication.<br>Info: Using MODEM link parameters 256/24/1/0.<br>Info: Using cache parameters 4/4096KB/8192KB/8192KB.<br>Info: Using pack method '4k-png-3' with session 'unix-kde-depth_32'.<br>InfoInfo: Established X server connection.<br>Info: Using shared memory parameters 0/0K.<br><br></span></div><span style="font-family:arial,helvetica,sans-serif">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. <br><br></span></div><span style="font-family:arial,helvetica,sans-serif">Thanks in advance if you're able to help.<br></span></div><span style="font-family:arial,helvetica,sans-serif">Best,<br></span></div><span style="font-family:arial,helvetica,sans-serif">M. Rule. </span><span style="font-family:monospace,monospace"><br></span></div>
</div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>x2go-user mailing list</span><br><span><a href="mailto:x2go-user@lists.x2go.org">x2go-user@lists.x2go.org</a></span><br><span><a href="http://lists.x2go.org/listinfo/x2go-user">http://lists.x2go.org/listinfo/x2go-user</a></span></div></blockquote></body></html>