The ability to define event handlers to be run during service or host events for proactive problem resolution.Contact notifications when service or host problems occur and get resolved (via e-mail, pager, SMS, or any user-defined method through plugin system).The ability to define network host using 'parent' hosts, allowing the detection of and distinction between hosts that are down or unreachable.Flat-text formatted configuration files (integrates with many config editors).A simple plugin design that allows users to easily develop their own service checks depending on needs, by using their tools of choice ( shell scripts, C++, Perl, Ruby, Python, PHP, C#, etc.).Remote monitoring supported through SSH or SSL encrypted tunnels.Monitoring via remotely run scripts via Nagios Remote Plugin Executor.Monitoring of any hardware (like probes for temperature, alarms, etc.) which have the ability to send collected data via a network to specifically written plugins.Monitoring of host resources ( processor load, disk usage, system logs) on a majority of network operating systems, including Microsoft Windows, using monitoring agents.
Nagios Core is open source software licensed under the GNU GPL V2. It is free software licensed under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Nagios was originally designed to run under Linux, but it also runs on other Unix variants. " Agios" (or "hagios") also transliterates the Greek word άγιος, which means "saint". Nagios is a recursive acronym: "Nagios Ain't Gonna Insist On Sainthood" – "sainthood" makes reference to the original name NetSaint, which changed in response to a legal challenge by owners of a similar trademark. As of 2015 they actively maintain both the official and unofficial plugins.
It alerts users when things go wrong and alerts them a second time when the problem has been resolved.Įthan Galstad and a group of developers originally wrote Nagios as NetSaint. Nagios offers monitoring and alerting services for servers, switches, applications and services. Nagios Core / ˈ n ɑː ɡ iː oʊ s/, formerly known as Nagios, is a free and open-source computer- software application that monitors systems, networks and infrastructure.