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logger(1) |
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LOGGER(1) BSD General Commands Manual LOGGER(1)
NAME
logger — make entries in the system log
SYNOPSIS
logger [−is] [−f file] [−p pri] [−t tag] [−u socket] [message ...]
DESCRIPTION
Logger 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 specified 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.
--
End the argument list. This is to allow the message to start with a hyphen (−). This feature was not present in the original BSD logger command; it is a GNU-specific extra.
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).
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.
4.3 Berkeley Distribution June 6, 1993 4.3 Berkeley Distribution
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