Nagios is a tool for system and network monitoring. It constantly checks other machines and various services on those machines. The main purpose of system monitoring is to detect and report any system not working properly as soon as possible—so th
Nagios® is a system and network monitoring application. It watches hosts and services that you specify, alerting you when things go bad and when they get better. Nagios was originally designed to run under Linux, although it should work under most o