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wiki:development:debugging [2013/03/08 13:31]
127.0.0.1 external edit
wiki:development:debugging [2018/03/15 11:40]
ionic Nope, we mean hyphens, not dashes.
Line 12: Line 12:
 root@x2goserver:~$ tail -f /var/log/syslog | grep x2go root@x2goserver:~$ tail -f /var/log/syslog | grep x2go
 </code> </code>
 +
 +Other logging locations apart from the system's log are:
 +
 +  * X2Go Server: ''/var/log/syslog''
 +  * X2Go Client: stderr (use ''%%--debug%%'')
 +  * PyHoca-GUI: stderr (use ''%%--libdebug --debug%%'')
 +  * Xsession itself: ''$HOME/.xsession-x2go-errors''
 +  * NX (server-side): ''$HOME/.x2go/C-<sessionid>/session.*''
 +  * NX (client-side): ''$HOME/.x2go/S-<sessionid>/session.*''
  
 ===== Enable Debug Output ===== ===== Enable Debug Output =====
  
-==== Debugging x2goserver ====+==== Debugging X2Go Server ====
  
 The ''x2goserver'' log level can be set by editing: The ''x2goserver'' log level can be set by editing:
Line 39: Line 48:
  
 <file> <file>
-root@x2goserver:~$ editor /etc/cups/cups-x2go+root@printserver:~$ editor /etc/cups/cups-x2go
 </file> </file>
  
 +==== Debugging X2Go Session Broker ====
 +
 +The ''x2gobroker'' debug mode can be enabled in:
 +
 +<file>
 +root@broker:~$ editor /etc/default/python-x2gobroker
 +</file>
 +
 +The log files normally get written to ''/var/log/x2gobroker/*.log''
 +
 +You can also run 
 +<file>
 +root@broker:~$ x2gobroker-daemon-debug
 +</file>
 +
 +as user ''root''. This is equivalent to running the broker daemon provided by the package ''x2gobroker-daemon'', but you will see all output piped to stderr while the X2Go Session Broker daemon runs in foreground mode.
 ==== Python X2Go / PyHoca Debugging ==== ==== Python X2Go / PyHoca Debugging ====
  
-The PyHoca clients both have a ''--libdebug'' option. Run ''pyhoca-gui'' or ''pyhoca-cli'' from the command line with that option enabled and you get blasted with debug output.+The PyHoca clients both have a ''%%--libdebug%%'' option. Run ''pyhoca-gui'' or ''pyhoca-cli'' from the command line with that option enabled and you get blasted with debug output.
  
 ===== Customizing Debug Messages ===== ===== Customizing Debug Messages =====
Line 52: Line 77:
 Here is a little howto that explains how to add extra log output to X2go server scripts: Here is a little howto that explains how to add extra log output to X2go server scripts:
  
-==== Logging in X2Go Perl Scripts ====+==== Logging in X2Go Server'Perl Scripts ====
  
-Whereever you want to write a line to syslog from an X2Go Perl script, place this command:+Whereever you want to write a line to syslog from an X2Go Server'Perl script, place this command:
  
 <code> <code>
Line 61: Line 86:
  
  
-==== Logging in X2go Shell/Bash Scripts ====+==== Logging in X2Go Server'Shell/Bash Scripts ====
  
 Whereever you want to write a line to syslog from an X2Go Shell/Bash script, place this command: Whereever you want to write a line to syslog from an X2Go Shell/Bash script, place this command:
Line 70: Line 95:
  
  
 +==== Logging in X2Go Session Broker's Python Module ====
 +
 +Whereever you want to write a line to ''/var/log/x2gobroker/broker.log'' from one of the python-x2gobroker module files, place this command:
 +
 +<code>
 +# at the top of the module file:
 +from x2gobroker.loggers import logger_broker
 +# [...] then further below, wherever needed:
 +logger_broker.debug('<your message>')
 +</code>
  
  
wiki/development/debugging.txt ยท Last modified: 2018/03/15 11:40 by ionic