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Make entries in the system log (POSIX)
|
If you aren't root, specify the full path: /usr/sbin/logger. |
logger [-is] [-f file] [-p pri] [-t tag]
[message ...]
Neutrino
- -f file
- Log the specified file.
- -i
- Log the process ID of the logger process with each line.
- -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.
- -s
- Log the message to standard error, as well as the system log.
- -t tag
- Mark every line in the log with the specified tag.
- message
- Write the message to log; if not specified, and the
-f flag isn't provided, standard input is logged.
The logger command provides a shell command interface to
the
syslogd
daemon.
Log the message “System rebooted”:
logger System rebooted
Log the file /tmp/log tagging each line with log:
logger -f /tmp/log -t log
- /usr/sbin/logger
- The logger utility is located in the /usr/sbin/
directory, which is not included in the default
PATH of non-root users.
If you are not root, specify the full path.
- SYSLOG
- When defined, SYSLOG specifies which node syslogd is running on.
By default, the local node is assumed.
- 0
- Successful completion.
- >0
- An error occurred.
|
Because the syslog API doesn't return error codes, only argument
errors can be detected. |
syslogd
syslog()
in the Library Reference
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