In this tutorial we will show you how to install Nagios on CentOS 7. Nagios is a powerful open source enterprise-class software that monitors network infrastructures, servers and applications. It can be used to monitor Linux and Windows servers as well as web applications, Linux and Unix applications and Windows applications. Some of the features include: parallelized service checks, plugin system, notifications via email, pager or user defined service, web interface for viewing status, log files, problem history and notifications and much more. This guide should work on other Linux VPS systems as well but was tested and written for CentOS 7 VPS.
