Icinga 2 DSL – Variable Scopes

Icinga 2 DSL – Variable Scopes

Ever wondered how Icinga 2 manages all those variables, and how it knows which one to use? In this blog post, we will explore all the different variable scopes in Icinga 2, and by the end, you will know what this mysterious error message means when you see it in your...

Icinga 2 Insights With Event Streams

Icinga 2 Insights With Event Streams

There are many ways to interact with the data that Icinga 2 collects, processes, and produces. The most common is probably Icinga Web, which displays checks in all the colors of a traffic light. Icinga 2 also comes with several metrics or performance data writers. But...

How to do Agentless Monitoring with check_by_ssh

How to do Agentless Monitoring with check_by_ssh

The fundamentals of Icinga 2 are check plugins. They are being executed and their return value is mapped to either Host or Service objects. Everything else follows on top. These check plugins can be either from the Monitoring Plugins or custom. While their origin does...

Monitoring domains and DNSSEC properly

Monitoring domains and DNSSEC properly

First of all, if you own a domain, the following text is for you. In production you obviously want to reduce outages. And an outage of a DNS domain as such takes down all services under that domain, no matter whether your LAMP components are all up and running. At...

Subscribe to our Newsletter

A monthly digest of the latest Icinga news, releases, articles and community topics.