Nagios

Monitoring & Metrics

A host/service/network monitoring program written in C for tracking system health and alerts

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C Latest nagios-4.5.13 · 1mo ago Security brief →

Features

Monitors network services (SMTP, POP3, HTTP, PING, etc.)
Tracks host resources such as CPU load and disk usage
Provides a plugin interface for custom service checks
Supports hierarchical host definitions with parent/child relationships
Generates notifications via email, pager, or user‑defined methods

Recent releases

View all 3 releases →

nagios-4.5.12 Bugfix 4mo

This is a bugfix release. [Please see the Changelog for the full list of changes.](https://github.com/NagiosEnterprises/nagioscore/blob/nagios-4.5.12/Changelog)

View release on GitHub

nagios-4.5.11 Bugfix 6mo

This is a bugfix release. [Please see the Changelog for the full list of changes.](https://github.com/NagiosEnterprises/nagioscore/blob/nagios-4.5.11/Changelog)

View release on GitHub

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