Recipe: Logging with syslog

To log to the syslog file /var/log/syslog,
$ logger LOG_MESSAGE
Eg:
$ logger This is a test log line

$ tail -n 1 /var/log/syslog
Sep 29 07:47:44 slynux-laptop slynux: This is a test log line

To log to the syslog with a tag specified,
$ logger -t TAG This is a message

$ tail -n 1 /var/log/syslog
Sep 29 07:48:42 slynux-laptop TAG: This is a message


Logging from file
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$ logger -f /var/log/source.log