What is Nagios? Imagine you have a company with 20+ workstations or servers and you need to monitor them. Nagios is a popular open source computer system and network monitoring software application. It watches hosts and services, alerting users when things go wrong and again when they get better. Overview Nagios is Open Source Software licensed under the GNU GPL V2. Monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH) Monitoring of host resources (processor load, disk usage, system logs) on a majority of network operating systems, including Microsoft Windows with the NSClient++ plugin or Check_MK. Monitoring of anything else like probes (temperature, alarms...) which have the ability to send collected data via a network to specifically written plugins Monitoring via remotely-run scripts via Nagios Remote Plugin Executor Remote monitoring supported through SSH or SSL encrypted tunnels. Simple plugin design that allows users to easily develo
“The computer was born to solve problems that did not exist before.” – Bill Gates