Network monitoring tools
Nagios is an open-source IT infrastructure monitoring system that allows organizations to identify and resolve IT infrastructure problems before they affect critical business processes. It monitors hosts, services, networks, and applications, alerting administrators to issues via various…
Key facts
- First appeared
- 1999
- Category
- technology
- Problem solved
- Nagios was created to solve the fundamental problem of proactive IT infrastructure management: detecting and alerting on outages, performance degradation, and other critical issues across diverse networks, servers, and applications. Before Nagios, IT operations often relied on manual checks, custom scripts, or expensive proprietary solutions that lacked flexibility and widespread community support, making it difficult to maintain high availability and performance.
- Platforms
- Unix-like systems, Linux
Related technologies
Notable users
- Large enterprises with on-premise infrastructure
- Government organizations
- Small to medium businesses (historically)
- Educational institutions