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...
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...
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,...
Adapting Icinga Web modules To Icinga DB
Icinga DB web has a better layout and is more user friendly. This makes monitoring more simple. Hence it would be nice if we could adapt all the Icinga modules to Icinga DB. In this blogpost, I will discuss how to adapt Icinga Web modules to Icinga DB. To do this,...
Automatically Testing Icinga DB
In today's blog post, I want to present something related to Icinga DB that you most likely will not come in touch with as a regular user: some of the test cases we built for Icinga DB and the tooling created to support them. The Challenge Even though Icinga DB is a...
Announcing official Icinga packages for RHEL, Amazon Linux 2 and SLES
We are pleased to announce the general availability of Icinga installation packages for Red Hat Enterprise Linux, Amazon Linux 2 and SUSE Linux Enterprise Server. We extend the list of supported operating systems to give you even more options where you can run Icinga....
Icinga Web – Not just Black and White
Most of you know that Icinga Web can be adjusted by themes. Some of you also have made some! Icinga Web itself comes with several themes since the early days. Now with the next upcoming major update v2.10 we'll take themes to their next evolution. But since we've...
Releasing Icinga for Windows v1.8.0 – The Power of Rework
Today we are happy to announce that after month of work we finally can release Icinga for Windows v1.8.0. As discussed in our live Icinga for Windows Q&A on our YouTube-Channel, we spent lots of time resolving issues reported by our community and customers and in...
Introduction to (Performance) Monitoring Metrics
To ensure the reliability and stability of your services, it's essential to understand the overall health of your infrastructure and systems. That variety of information from your systems helps you to get a proper context during your root cause investigation and react...
Why you need network monitoring?
Network monitoring is a continuous analysis of a network to detect and correct any performance issues. Network monitoring involves collecting network statistics to determine the quality of services offered by the network. With tools like Icinga, it's possible to...
Replay Log in Distributed Icinga Environments
An essential part of a distributed monitoring environment with Icinga that includes master, satellite and agent nodes is the replay log functionality. The replay log is a built-in mechanism to ensure nodes in a distributed setup keep the same history e.g. check...
Introducing Icinga Module for vSphere – Releasing version 1.2
One of the pillars of Icinga is integrations. With it's open APIs and various extensions, Icinga is capable of integrating seamlessly into your existing infrastructure. Today I want to give you an introduction to our VMware integration and share some details about the...
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