Introduction Modern IT environments are hybrid, distributed, and constantly growing. To keep them reliable, organizations rely on monitoring that scales, automates, and integrates seamlessly...
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...
Upgrade your monitoring lists with icon images
Recently I was importing an Icinga configuration for testing purposes. Working with this configuration, I found that there were icon images assigned to the objects. Sadly, those didn’t display, because I didn’t have the icon set installed. So I thought of creating my...
Targeting hosts and services in Icinga 2 API requests
Today, we are going to take a look at the Icinga 2 API and the various ways targets can be specified for different actions, such as querying information or scheduling downtimes. This post focuses on the API request payloads themselves and assumes some familiarity with...
Monitor Microservices Effectively: A Practical Guide
Contents What Is Microservice Monitoring? Why Monitoring Microservices Is Different – and What It Means for You Key Metrics and Signals You Should Track Best Practices for Monitoring Microservices Monitoring Tools for Microservices: What to Look For Microservice...
Automation: Data processing of imported data using property modifiers in Icinga Director
The raw data imported from the external sources (CSV, SQL, REST API, LDAP, etc.) is usually not in the right format. Hence, they have to be processed or converted before they are used to modify objects using synchronization rules. To do this, Icinga Director provides...
Releasing Icinga DB v1.3.0
Today we are releasing a new version of Icinga DB, version 1.3.0. This is a maintenance release, integrating the container setup directly into Icinga DB. Most importantly, first-class support for configuring Icinga DB completely via environment variables has been...
Icinga 2 Insights With Event Streams
There are many ways to interact with the data that Icinga 2 collects, processes, and produces. The most common is probably Icinga Web, which displays checks in all the colors of a traffic light. Icinga 2 also comes with several metrics or performance data writers. But...
Releasing Icinga Web v2.11.5 and 2.12.3, Icinga Director 1.10.4 and 1.11.4, Icinga Reporting 1.0.3
Update (2025-03-26 16:45:00 UTC) We released a hotfix release for Icinga Web 2.11 and 2.12 afterwards. Please install 2.11.6 and 2.12.4, respectively. -- Today we release three updates, each for an integral component of Icinga, which all close a total of five security...
Looking for a PRTG Alternative? Here’s Why You Should Consider Icinga
If you’re reading this, chances are high you’re looking for a PRTG alternative and considering switching from Paessler PRTG to Icinga. Maybe it’s the rising costs of PRTG, or maybe you want a monitoring solution that gives you more flexibility and control. Whatever...
SSL Certificate Monitoring and Management
SSL certificates are the foundation of secure communication on the web. They protect data integrity, enable encryption, and verify identities. But even a single expired certificate can cause outages, lost trust, and serious security risks. Effective SSL certificate...
Turns any command into a plugin: check_rungrep
Imagine you have one more special thing to monitor. While our Icinga 2 can observe infrastructure of almost any size, it still needs a plugin for each kind of check. Unfortunately not every command meets the monitoring plugin API: exit code 0-3 (ok, warning, critical,...
Managing Multiple Service Instances with a Systemd Generator
When working with systemd services in Linux, you might encounter situations where multiple instances of a service need to be managed dynamically. When I had to develop a solution to monitor multiple Kubernetes clusters with Icinga for Kubernetes, I ran into exactly...
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