Syslog Commands

This chapter is a reference for the syslog commands.

Linux applications use the syslog utility to collect, identify, time-stamp, filter, store, alert, and forward logging data. The syslog utility can track and log all manner of system messages from informational to extremely critical. Each system message sent to a syslog server has two descriptive labels associated with it:

•

The function (facility) of the application that generated it. For example, an application such as mail and cron generates messages with a facility names “mail” and “cron”.

•

Eight degrees of severity (numbered 0-7) of the message which are explained in Table 37. Syslog severities.

This chapter contains these commands: