Modernizing a legacy CMake build-system

Modernizing a legacy CMake build-system

CMake tends to have a bad reputation for being to complex and convoluted, but often that notion stems from very old versions of CMake. Sure, CMake is a Turing-complete scripting language, but that is really needed for an ecosystem as complex as that of C and C++. And...

XSS Vulnerability in Icinga PHP Library

XSS Vulnerability in Icinga PHP Library

Today we announce a security update for Icinga PHP Library. It solves a severe cross-site scripting attack vulnerability and affects multiple Icinga products at once. It has been published as GHSA-55wf-5m3q-6jjf. Installing the update v0.19.2 as soon as possible is...

Icinga Notifications v0.2.0 Release

Icinga Notifications v0.2.0 Release

Some of you might have already heard about this at OSMC, or you may have received a release notification from GitHub already: our Icinga Notifications project made a step forward and we are happy to announce that version 0.2.0 is now available for you to try out. It...

Releasing Icinga Web Jira Integration v1.4.0

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

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?

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...

Nagios Alternatives: Why Icinga Is the Strongest Choice

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

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

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...

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