It’s Pride Month: a time to celebrate the LGBTQIA+ community, reflect on the progress we’ve made, and acknowledge the challenges we still face. Around the world, queer people are once again being...
We’re Still Flying the Rainbow Flag, Even When It’s Hard
It’s Pride Month: a time to celebrate the LGBTQIA+ community, reflect on the progress we’ve made, and acknowledge the challenges we still face. Around the world, queer people are once again being...
A New Look At Dependencies: Icinga Dependency Views
We're excited to share that Icinga now offers an improved way to view dependencies. With the releases of Icinga DB Web 1.2.0, Icinga DB 1.4.0, and Icinga 2.15.0 today, any dependencies you've set up in Icinga will now be visually represented. Additionally, we're...
Beyond PHP-FPM: Modern PHP Application Servers
For decades, PHP has powered the web using a simple model: process a request, send a response, then shut down. This model, especially in the form of CGI and PHP-FPM, is easy to understand but increasingly inefficient for modern web demands. The Traditional Model: CGI...
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...
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,...
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...
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 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...
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...
Revising Icinga Exchange
Icinga is an open-source project, but it's only become the product we like to use thanks to co-development, brainstorming and suggestions from the community. That's why we created a platform in the past to facilitate the exchange of custom implementations like check...
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