The check_log Plugin

check_log v2.3git (monitoring-plugins 2.3git)
The Monitoring Plugins come with ABSOLUTELY NO WARRANTY. You may redistribute
copies of the plugins under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.

Usage: check_log -F logfile -O oldlog -q query
Usage: check_log --help
Usage: check_log --version

Other parameters:
    -a|--all : Print all matching lines
  --exclude: Exclude a pattern (-p or -e also applies here when used)
    -p|--perl-regex : Use perl style regular expressions in the query
    -e|--extended-regex : Use extended style regular expressions in the query (not necessary for GNU grep)

Log file pattern detector plugin for monitoring

Send email to if you have questions regarding use
of this software. To submit patches or suggest improvements, send email to Please include version information with all
correspondence (when possible, use output from the --version option of the
plugin itself).