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Icinga 2 Meets OpenTelemetry: Native Metrics Export in v2.16

Apr 28, 2026 By Blerim Sheqa In Icinga
The OTLPMetricsWriter is a new Icinga 2 feature available since v2.16 that exports check plugin performance data as OpenTelemetry-compliant metrics via the OTLP HTTP protocol. With a single configuration object, it connects Icinga 2 to any OTLP-compatible backend like Prometheus, Grafana Mimir, Datadog, Elasticsearch, VictoriaMetrics, and more.
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Announcing Icinga 2.16.0 and 2.15.3

Apr 23, 2026 By Julian Brost In Icinga
We are happy to announce the release of two new versions of Icinga 2 today, 2.16.0 and 2.15.3. The first one includes some new features highlighted below, as well as a number of bug fixes and other improvements. The latter one is a small bug fix release that brings some of the other fixes included in 2.16.0 to the 2.15.x branch as well.
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Modernizing a legacy CMake build-system

Apr 22, 2026 By Johannes Schmidt In Icinga
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 as Greenspun’s tenth rule of programming goes: There are countless build-systems and build-system generators for the C/C++ ecosystem. Some of them tried to use a simple, declarative approach.
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Open-Source MSP Monitoring Software: Why IT Service Providers Add Icinga to Their RMM Stack

Apr 15, 2026 By Simona Omidkar In Icinga
If you run a managed service provider, your RMM software is the backbone of daily operations. Remote management, patch cycles, ticketing workflows – it handles the essentials. But if you’re monitoring more than a few dozen client environments, you’ve likely noticed that monitoring and management are not the same thing. And that difference matters more the larger you grow. This post is not about replacing your RMM.
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Four Modern PHP Features That Show How Far the Language Has Come

Apr 8, 2026 By Ravi Srinivasa In Icinga
PHP has evolved over the years and has become a lot more reliable, faster and refined. And with the release of PHP 8, which contained many features (named arguments, union types, attributes, constructor property promotion, match expressions, the null safe operator (?->) etc) and optimizations (JIT compiler), PHP has become more faster and cleaner. There are many more improvements and interesting features in the later versions of PHP 8. The 4 features I now rely on and wish PHP had introduced much earlier.
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Mirroring Icinga Packages in Air-Gapped and Restricted Environments

Apr 1, 2026 By Alvar Penning In Icinga
When hosting in a secure or corporate environment, Internet access is often restricted or blocked completely. While this makes sense from a security point of view, this introduces some challenges. For one, getting software packages. There are usually two approaches to the package problem in such an environment: Either allow a certain package mirror in the firewall, or run your own mirror within the restricted environment with access to another package server to mirror packages from.
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Icinga Installation Guide - Part 2 - Installing Icinga Director and configuring your first objects

Mar 23, 2026 By Icinga In Icinga
Take the next step with Icinga by adding the powerful configuration management tool Icinga Director to your setup. In this second part of our installation guide, we focus on simplifying and scaling your configuration using the Director. You’ll learn how to connect it to your existing Icinga 2 instance, create reusable templates, and start monitoring hosts and services through a more flexible, web-based interface.
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Icinga Installation Guide - Part 1 - Getting started with a base Icinga Installation

Mar 23, 2026 By Icinga In Icinga
Get up and running with Icinga 2 and Icinga Web in this step-by-step installation guide. In this video, we walk you through a complete base installation of Icinga, covering everything from setting up the database to accessing the web interface for the first time. This will help you get to the point of a working installation, especially if you're new to Icinga. We take you through the full process, including installing required components, configuring databases, enabling services, and completing the web setup wizard.
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