The WebReboot Plugin for Nagios is a suite of
commands that can be used within Nagios to monitor
a server and take corrective action if necessary
via the WebReboot line of products. For example,
the plugin can be used to alert you if a host is
powered down, versus simply not responding to
network requests. Likewise, it can be used to
reboot a server if a host fails to respond to
ping, or to shut down a server when a critical
temperature threshold is exceeded. The commands
can be mixed-and-matched with all existing Nagios
commands, maximizing total network coverage.