rsyslogd is a system utility that provides support for message logging. Support for network and domain sockets enables this utility to support both local and remote logging.

Configuration File

/etc/rsyslog.conf

SELECTORS

Facility

Facilities for generating log messages.

Here are some facilities for rsyslog.conf:

Option	Description
auth	Log messages for security or authorization.
security	Almost the same as auth.
authpriv	Private security or authorization log messages.
cron	Log messages about the clock daemon of cron or at.
daemon	Log messages in respect of the system daemon.
ftp	Log messages for the ftp daemon.
kern	Log messages in the kernel of the system.
local0 to local7	Log messages generated locally.
lpr	Log messages generated by the line printer subsystem.
mail	Log messages generated by mail subsystem.
news	Log messages generated by the USENET news subsystem
syslog	Log messages generated internally by syslogd.
user	Log messages generated at the generic user level.

Priority

The priority levels of log messages.

Here are some priorities for rsyslog.conf:

Option	Meaning
emerg	The system is in an unusable state level.
panic	Almost the same as emerg
alert	A state level that requires human intervention.
crit	The status level at which the critical log is triggered.
err	The status level at which the error log is triggered.
error	Almost the same as err
warning	The status level at which the warning log is triggered.
warn	Almost the same as warning
notice	The level at which the normal status log is triggered.
info	The status level at which the detail information log is triggered.
debug	The status level at which the debug log is triggered.