From the initial installation to the running monitoring stack:
Here you will find all instructions for the basic installation of Icinga.
Compact and practical.
Last updated: 02.04.2026 You want to install Icinga on Ubuntu 24.04 LTS and work directly with Icinga DB? Good decision! The new architecture ensures that monitoring data is processed much better than with older backends. Step-by-step instructions for installing Icinga on Ubuntu 24.04 In this guide I will show you step by step how to install and configure Icinga 2 with IcingaDB. Requirements for the installation Before you start installing Icinga on Ubuntu 24.04, your environment should...
Last updated: 05.03.2026 This blog post explains whether Icinga is free. As I sit here and start writing this blog post, I still can't believe that today is about this topic. Is Icinga free of charge? For me, as someone who has been involved with open source software for almost 25 years now (yes, I'm old!), this question seems strange and yet the topic is interesting. As obvious as the answer to this is for me, the figures, data and facts from the usual analytics tools are just as clear. The...
Introduction The way in which IT infrastructure is provided and operated has changed significantly in recent decades. In the early years of system administration, everyday life consisted of manually installing individual servers, importing software packages, editing configurations directly in files and starting services. This was not only time-consuming, but also error-prone and difficult to reproduce. Even a small difference in a configuration could lead to problems that were almost...
The term observability is on everyone's lips and is often touted as a modern solution to dusty old, static monitoring. All manufacturers offer it, all users need it, preferably a lot and right now. However, if you read through product descriptions and blog articles on this topic, you will notice that there is no really uniform definition of the term. What do I mean by that? Depending on what you read, observability is sometimes “an approach to improving observability” or “an element of modern...
This article is about setting up Katello as a package mirror for Icinga. Specifically, Icinga for Windows, Debian / Ubuntu, Red Hat Enterprise Linux and other derivatives. In consulting, different products from our portfolio come together again and again, and since we naturally also work on open source projects and want to improve them, such a meeting is always the right starting point. This was also the case recently when I spoke to Christian Stein, the main contact person for Icinga for...
In MySQL, user management plays a crucial role in making database access secure and efficient. But how do you display existing users? In this blog post you will learn how to quickly and easily list all MySQL users, what information you will get and what you should look out for. Step 1: Login to MySQL To display the users in MySQL, you must first log in with a user account with sufficient permissions (e.g. B. root). You can do this from the command line: root@testhost:~# mysql -u root Welcome...