Nagios is an open source IT Infrastructure monitoring system. It is mature, widely used, supported, flexible and extensible. Perhaps the industry standard.
Categories
Nagios Thermometer
![](https://www.rodaw.com/wp-content/uploads/2013/08/jHomeNagiosServiceStatus_thumb1_140x79.jpeg)
Nagios is an open source IT Infrastructure monitoring system. It is mature, widely used, supported, flexible and extensible. Perhaps the industry standard.