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--- wiki:development:debugging [2013/03/08 17:07]
sunweaver [Logging in X2go Shell/Bash Scripts]
+++ wiki:development:debugging [2014/11/12 13:59]
sunweaver [Log File Watching]
@@ Line 12: / Line 12: @@
 root@x2goserver:~$ tail -f /var/log/syslog | grep x2go
 </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): ''$HOME/.x2go/S-<sessionid>/session.*''
 ===== Enable Debug Output =====
@@ Line 52: / Line 61: @@
 The log files normally get written to ''/var/log/x2gobroker/*.log''
+You can also run
+<file>
+root@broker:~$ 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 ====
@@ Line 80: / 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>

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