Check manual page of uptime

Uptime of Operating System
Distribution	official part of Check_MK
License	GPL
Supported Agents	Linux

This check outputs the uptime of the target systems (when the last boot was and how much time has elapsed since). This check can go WARN or CRIT when the uptime is below or above certain configurable levels.

Discovery

One service is created for each system if the agent has a section {>>}.