How To Use Icinga To Monitor Your Servers and Services On Ubuntu 14.04
In this tutorial, we will go over the installation of Icinga, an open source monitoring system, on Ubuntu 14.04. We will cover some basic configuration, so you will be able to monitor network services and host resources via the web interface. We will also utilize the Nagios Remote Plugin Executor (NRPE), that will be installed as an agent on remote systems to monitor their local resources (disk usage, number of logged in users, etc.).