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How to Install Icinga 2 on Debian 9

In this tutorial, we’ll show you how to install Icinga 2, Icinga Web 2 and all the required components on a Debian 9 VPS.

Icinga 2 is a modern open-source network monitoring application which can be used to monitor the network infrastructure and check the health of servers and their services. Icinga 2 is a branch of Nagios rewritten from scratch in C++.