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. It alerts users when things go wrong and alerts them a second time…

Nagios® Core™ is an Open Source system and network monitoring application. Nagios monitors hosts and services that you specify, alerting you when things go bad and when they get better. Nagios Core originally designed to run under Linux. Nagios Features…