• logfile
• apache
• borg
• Centos
• countdown
• CPU
• Disk
• disk-usage

Linuxfabrik Monitoring Plugins Collection

• logfile
• event
• gpl-2.0
• gplv2
• messages
• pattern

check_logfiles

A plugin (monitoring-plugin, not nagios-plugin, see also http://is.gd/PP1330) which scans logfiles for patterns.