Nagios
Nagios Core, formerly known as Nagios, is a free and open-source computer-software application that monitors systems, networks and infrastructure. Nagios offers monitoring and alerting services for servers, switches, applications and services.
This Nagios Installation Tutorial will help you to learn how to install Nagios Core on a CentOS operating system and how to monitor more than one host. The same steps can be used for Nagios Installation on Ubuntu, Nagios Installation…
