Nagios
Powerful IT infrastructure monitoring solution for servers, networks, and applications. Self-hosted, GPL licensed, with 25+ years of development and community support.
Nagios is an open-source alternative to:
Nagios Core is a robust open-source monitoring engine designed for IT infrastructure management. It provides comprehensive monitoring capabilities for servers, networks, applications, and services, ensuring system reliability and uptime.
Key Features
- Server & Network Monitoring: Tracks the status of servers, switches, routers, and other network devices.
- Plugin Support: Extensive library of plugins for monitoring diverse applications and services.
- Alerting System: Configurable notifications via email, SMS, or other methods for critical issues.
- Web Interface: User-friendly web dashboard for monitoring and configuration.
- Scalability: Supports distributed monitoring with add-ons like Mod-Gearman.
- Extensibility: Modular architecture allows integration with third-party tools and systems.
- Historical Data: Maintains performance metrics and logs for trend analysis.
- Community & Enterprise Support: Active community with commercial support options available.
Tech / Self-Hosting
- License: GPLv2
- Self-Hosted: Yes
- Deployment: Requires Linux server with Apache/Nginx and MySQL/PostgreSQL.
- Add-ons: NCPA (Nagios Cross-Platform Agent) for multi-platform monitoring.
- Scalability: Can be extended with plugins and distributed setups.