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LOGGER(1)                 BSD General Commands Manual                LOGGER(1)

NAME
     logger - a shell command interface to the syslog(3) system log module

SYNOPSIS
     logger [-isd] [-f file] [-p pri] [-t tag] [-u socket] [message ...]

DESCRIPTION
     Logger makes entries in the system log.  It provides a shell command interface to the
     syslog(3) system log module.

     Options:

     -i       Log the process id of the logger process with each line.

     -s       Log the message to standard error, as well as the system log.

     -f file  Log the specified file.

     -p pri   Enter the message with the specified priority.  The priority may be speci-
              fied numerically or as a ''facility.level'' pair.  For example, ''-p
              local3.info'' logs the message(s) as informational level in the local3
              facility.  The default is ''user.notice.''

     -t tag   Mark every line in the log with the specified tag.

     -u sock  Write to socket as specified with socket instead of builtin syslog routines.

     -d       Use a datagram instead of a stream connection to this socket.

     --       End the argument list. This is to allow the message to start with a hyphen
              (-).

     message  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.

     Valid facility names are: auth, authpriv (for security information of a sensitive
     nature), cron, daemon, ftp, kern, lpr, mail, news, security (deprecated synonym for
     auth), syslog, user, uucp, and local0 to local7, inclusive.

     Valid level names are): alert, crit, debug, emerg, err, error (deprecated synonym for
     err), info, notice, panic (deprecated synonym for emerg), warning, warn (deprecated
     synonym for warning).  For the priority order and intended purposes of these levels,
     see syslog(3).

EXAMPLES
           logger System rebooted

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

SEE ALSO
     syslog(3), syslogd(8)

STANDARDS
     The logger command is expected to be IEEE Std 1003.2 ("POSIX.2") compatible.

AVAILABILITY
     The logger command is part of the util-linux-ng package and is available from
     ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.

4.3 Berkeley Distribution        June 6, 1993        4.3 Berkeley Distribution

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