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Foreman 5.0

by Dirk Götz | Aug 27, 2026 | Foreman, Updates

Last updated: August 27, 2026 · Reading time: 7–8 minutes A new major release, Foreman 5.0, is coming soon. Since the first release candidate now gives us a pretty clear idea of what's in store, it's time to take a look at it. The Most Important Points at a Glance The version jump from 3.19 to 5.0 does not bring a flood of changes, but rather standardizes the versioning of Foreman and Katello. Foreman 5.0 supports Ruby 3.0 through 3.3; a switch to Rails 7.1 is in the works, but depends on EL 9...

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Alertmanager-Icinga-Bridge – A Signalilo Fork

by Markus Opolka | Jul 30, 2026

Last updated: July 30, 2026 · Reading time: 2–3 minutes Alertmanager and Icinga do not communicate with each other by default. If you want to process Prometheus alerts centrally via Icinga, you need a bridge between the two systems. That's exactly what the...

Filebeat and Metricbeat – Visualizing Your First Logs with Elastic and Kibana

by Dirk Wening | Jul 23, 2026

Last updated: July 9, 2026 · Reading time: 2–3 minutes Elasticsearch is running, Kibana is set up, but how does the data actually get into the stack? The answer lies in what are known as "Beats": lightweight data collectors that run in the background and forward data...

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Install Icinga with Icinga DB on RHEL 10.1

by Dirk Wening | Apr 30, 2026

Last updated: 30.04.2026 This guide will walk you through the complete installation of Icinga 2 with Icinga DB on Red Hat Enterprise Linux 10.1 - from repository setup to the running monitoring stack. You get a cleanly set up Icinga stack with Icinga DB as a modern...

Install Icinga Director on Ubuntu 24.04

by Dirk Wening | Apr 16, 2026

Last updated: 16.04.2026 You no longer want to manage your Icinga configuration exclusively via configuration files? The Icinga Director makes exactly that possible: As a web-based configuration module for Icinga 2, hosts, services and templates can be conveniently...

Install Icingaweb2 & Icinga DB Web on Ubuntu 24.04

by Dirk Wening | Apr 9, 2026

Last updated: 09.04.2026 Many users not only want to manage their monitoring via the console, but also evaluate it graphically. With Icinga2 and Icinga Web, a modern interface is available for this, in which processes and checks can be conveniently visualized. If you...

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Infrastructure as Code (IaC): Fundamentals, History, and Practical Applications of Ansible and GitLab

by Bernd Erk | Aug 25, 2025

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...

Observability vs Monitoring

by Markus Opolka | May 15, 2025

Last updated: August 5, 2026 · Reading time: 6–8 minutes Observability vs. Monitoring: Two terms that are constantly used interchangeably in everyday IT, but don't mean the same thing. We'll break down the etymology, cite the earliest known definition from 1959, and...

Show users in MySQL

by Tobias Redel | Nov 28, 2024

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...

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