inetutils-logger (1) - Linux Manuals

inetutils-logger: make entries in the system log

GNU Network Utilities


logger - make entries in the system log


logger [options ... ] [message ... ]


logger provides a shell command interface to the syslog(3) system log module.


-4, -ipv4
Use IPv4 to connect to hosts.
-6, -ipv6
Use IPv6 to connect to hosts.
-S , -source ip
Set source IP address.
-h , -host host
Log to host instead of to the default /dev/log
-u , -unix sock
Log to UNIX socket sock instead of /dev/log
-i , -id [pid ]
Log the process id of the logger process with each line.
-s , -stderr
Log the message to standard error, as well as the system log.
-f , -file file
Log the specified file.
-p , -priority pri
Enter the message with the specified priority. The priority may be specified numerically or as a "facility.level" pair. For example, "-p" logs the message(s) as info rmational level in the local3 facility. The default is "user.notice."
-t , -tag tag
Mark every line in the log with the specified tag
Display a short usage message.
-?, -help
Display a help list.
-V, -version
Display program version.
Write the message to log; if not specified, and the -f flag is not provided, standard input is logged.

The logger utility exits 0 on success, and >0 if an error occurs.


logger System rebooted

logger -p local0.notice -t HOSTIDM -f /dev/idmc


The logger command is expected to be St -p1003.2 compatible.


syslog(3), syslogd(8).