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...
Icinga Insiders: Collaborating With Users to Improve Icinga Web
Icinga Insiders: How User Research Shapes the Future of Icinga Web Icinga Insiders is one of our core initiatives for involving users directly in the ongoing development of Icinga Web, its modules, and new functionality. Through structured research sessions, we gain...
Releasing Icinga Web Jira Integration v1.4.0
We are happy to announce the release of Icinga Web Jira Integration v1.4.0 today. You can find all issues related to this release on our roadmap. What’s It All About This release ensures the compatibility with Atlassian Jira 10.2 among other changes and fixes. Changes...
Using Icinga 2 on NixOS
I use NixOS by the way. And today I'm going to show you how to operate a simple Icinga setup using that operating system. I.e. a single node with checks and notifications. In contrast to Icinga Web 2 or Redis, NixOS provides an Icinga 2 package, but no module....
Two Factors, Double Security?
Introduction “Please enter the code we just sent you.” – most people have seen this message when logging into an online service. Two-Factor Authentication (2FA) is no longer reserved for banks or enterprises. It’s now common in email, social media, and shopping...
Releasing Icinga 2 v2.15.1, 2.14.7 and 2.13.13 and Icinga DB Web v1.2.3 and 1.1.4
Today, we are releasing security updates for Icinga 2 and Icinga DB Web fixing multiple security issues. Two of them allow authenticated API users to learn restricted information or crash Icinga 2. On Icinga 2, a third issue affecting the provided scripts allows a...
Nagios Alternatives: Why Icinga Is the Strongest Choice
Introduction Nagios has long been a trusted name in IT monitoring. Its plugin-based architecture and long-standing community have made it a stable choice for organizations of all sizes. However, IT infrastructures have changed dramatically in the last decade. With...
Enhanced Icinga 2 Container Images
As some of you might have already noticed, we recently gave our official Icinga 2 container image builds a complete overhaul. These new images are currently available only as snapshot builds but will replace the existing stable images with the next Icinga 2 v2.16.0...
How to check CPU usage on Linux
When your Linux system feels sluggish, one of the first things to investigate is the CPU usage. The CPU (Central Processing Unit) is the brain of your machine, and if it’s overloaded, everything else slows down. In this guide, you’ll learn different ways to Linux...
What is SNMP Trap: Real-Time Alerts for Network Monitoring
Why wait for the next poll? An SNMP trap is a real-time alert sent from a device to a monitoring system, without waiting for polling. Ever had a router die silently at 3 AM while your monitoring system was still polling away every 5 minutes? Yeah… not fun. That’s...
Icinga Experience: Insights from Real-World Icinga Deployments Across Industries
Introduction Modern IT environments are hybrid, distributed, and constantly growing. To keep them reliable, organizations rely on monitoring that scales, automates, and integrates seamlessly into existing workflows. We collected 24 Icinga customer stories from...
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