Introduction This article explains how to integrate metrics from Prometheus into Icinga checks using the check_prometheus plugin. There can be multiple reasons why this could be desired: Maybe you...
Integrating Prometheus Metrics into Icinga Using check_prometheus
Introduction This article explains how to integrate metrics from Prometheus into Icinga checks using the check_prometheus plugin. There can be multiple reasons why this could be desired: Maybe you...
Testing Icinga in a Homelab Setup With Nextcloud
If you want to get started with Icinga but don’t have a data center lying around, no worries. Icinga is a lightweight monitoring tool that works for both large infrastructures and small home labs. When I first explored Icinga during my first year as an apprentice, it...
Exploring C++20 Coroutines: A Practical Look at Stackless Coroutines vs Boost.Coroutine2
Introduction Icinga 2 makes heavy use of Boost.Coroutine2 in our network code, which are stackful coroutines that are designed to work well with the IO operations from Boost.Asio. This has proven to be a challenge whenever we wanted to asynchronously await things...
How to set up High-Availability Masters
When getting started with Icinga 2, a single master instance is often sufficient. However, if your monitoring is business-critical, you’ll need to set up High-Availability Masters to ensure redundancy and stability. This post will guide you through the process of...
Exporting Data from Icinga Web 2
Today we will talk about exporting data (such as hosts and services) from Icinga Web 2 into various formats. Exporting From the UI You have probably already seen the drop-down in the upper left corner of a list? If you hover there with your mouse or focus it by...
Icinga Web permissions and restrictions (how do they work, examples)
Permissions and restrictions are something used to control how much access is provided to a particular user or user group. Therefore one must first understand what is the role of a user or a group. Requirement: Icinga 2 and Icinga Web 2 installed. Hosts and services...
Icinga 2, Icinga Web 2 and Director Kickstart on CentOS 7
INTRODUCTION The easiest way to get started with Icinga is a single-node installation. If you are new to the Icinga world, here you have a kickstart for installing Icinga 2, Icinga Web 2 and Icinga Director on CentOS 7. With these steps you will have a ready Icinga...
Creating a host through the Icinga 2 API
Learning about the Icinga API can be an eye opening moment for some, and lead to a path of automation and configuration management. But where to start? Well, you can always check out the Icinga API documentation for that. But today, I have an idea for you - I’ll show...
Using Command Endpoint to execute Checks on Agents
Getting started using Icinga in a single node setup can already be quite a challenge for new users. Configuring checks on multiple nodes can seem at lot harder. With this blog post I will show you how easy it is to configure hosts and services in such an environment....
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