There are many benefits of using system monitoring. It makes sure that services are working correctly. It helps in detecting problems earlier and ensuring that the appropriate people are notified when something goes wrong. Ensuring that all of your services work properly is essential. In case of problems, such systems help in giving a clear picture of what's working, and what's not.

Nagios is a very powerful application for monitoring resources. It fits both small‑sized and enterprise-level environments. It can help your organization maintain a higher quality of services. Nagios also helps in determining the root cause of problems. It includes very flexible mechanisms for monitoring your infrastructure and notifying the IT staff of potentially critical problems.

Nagios features a rich configuration system with many features such as grouping hosts and services, setting up dependencies and escalations. All of these make it possible to configure both a small network and a huge IT infrastructure spanning the entire globe.

Nagios is extremely powerful as it can be configured in almost any way you want. Furthermore, it can also be extended to perform any type of operation needed for your company.