Today, we are releasing security updates for Icinga 2 fixing a critical vulnerability that allowed an attacker to obtain valid certificates from the Icinga CA under certain circumstances. Please...
Critical Icinga 2 Security Releases: 2.14.6, 2.13.12, 2.12.12 (CVE-2025-48057)
Today, we are releasing security updates for Icinga 2 fixing a critical vulnerability that allowed an attacker to obtain valid certificates from the Icinga CA under certain circumstances. Please...
Ownership change of the ansible-collection-icinga to NETWAYS
After NETWAYS has already taken a leading role in the past in maintaining the Ansible Collection Icinga, contributing features and bug fixes, it’s now official: The Ansible Collection Icinga is moving into the NETWAYS namespace (on GitHub and Ansible Galaxy). The...
Announcing Icinga for Kubernetes v0.3.0
We’re excited to share that Icinga for Kubernetes v0.3.0 is here! This release is packed with features designed to make monitoring your Kubernetes environments smoother, smarter, and more efficient. Let’s take a closer look at what’s new: Monitor Multiple...
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...
Let’s Encrypt Stops Expiration Emails – How to Ensure Your Certificates Stay Valid with SSL Certificate Monitoring
No More Expiration Emails – What Now SSL/TLS certificates are critical for secure communication, and keeping track of their expiration is essential. Until now, Let’s Encrypt has sent email notifications when certificates were about to expire. However, as of June 2025,...
How to do Agentless Monitoring with check_by_ssh
The fundamentals of Icinga 2 are check plugins. They are being executed and their return value is mapped to either Host or Service objects. Everything else follows on top. These check plugins can be either from the Monitoring Plugins or custom. While their origin does...
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...
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,...
Releasing Icinga for Windows v1.13.0
Today we are happy to announce that we released Icinga for Windows v1.13.0 a couple of days ago. We have already talked about the changes coming to v1.13.0 with the beta blog-post last year in more depth, and will focus only on some core changes here. Improved...
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...
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...
Releasing Icinga 2 v2.14.5
Today, we are announcing the release of Icinga 2 v2.14.5. It fixes a regression that was introduced in v2.14.4 and caused the icinga2 node setup, icinga2 node wizard, and icinga2 pki request commands to fail if a certificate was requested from a node that has to...
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