If you've been using Icinga 2 for a while, you probably know the built-in checks cover a lot of ground: disk space, CPU, memory, ping. But sooner or later you'll run into something specific to your...
How to Create Your Own Plugins and Check Commands in Icinga 2
If you've been using Icinga 2 for a while, you probably know the built-in checks cover a lot of ground: disk space, CPU, memory, ping. But sooner or later you'll run into something specific to your...
Tips and Tricks for Handling Secrets in Icinga 2
Today, we are going to look at a few things related to handling secrets. While Icinga 2 has no dedicated mechanisms for secret handling, there are a few tricks you can do with standard features. This is not meant as a step-by-step tutorial, but rather as an...
Get Valid TLS Certificates for Icinga Web Despite a Firewall
Lots of big companies lock down their IT infrastructure in the internal network, sometimes they even use only locally mirrored repositories. I totally understand this, especially since our CVE-2024-49369. Nowadays, when LLMs find security holes even in OpenBSD, you...
Extending Unit-Testing on Icinga2
Unit-Testing is important Obviously nobody is disagreeing with this. It's just that during ongoing development and while focusing on features and bug-fixes, testing often falls behind in priority, especially when developers would need to write tests for existing or...
Icinga DB Web Automation
Icinga DB Web Automation allows you to automate monitoring tasks and integrate them directly into your systems and workflows. It is possible to issue command actions without a browser. To do so, a form needs to be submitted by a tool such as cUrl. Every request you...
Endpoint Monitoring with Icinga
Monitoring with Icinga primarily focuses on servers and infrastructure. But there are also the people operating these systems from their workstations and laptops. If a server can be accessed from a machine with an outdated operating system, the patch level of the...
Dashboard Sharing – The Hard Way
Current Limitation: Dashboard Sharing Not Yet Supported Unlike menu items, dashboards in Icinga Web 2 currently can't be shared across users. This is something we will implement in future versions, but for now users can only create dashboards for themselves. We don't...
IPL: How to create lists with ipl-web
In my previous blog post, I explained how to build lists using ipl-web widgets. That method will soon be deprecated due to its complexity. With the recent ipl-web release, we have introduced a simpler and more flexible approach to building lists, using a lightweight...
Icinga 2 DSL – Variable Scopes
Ever wondered how Icinga 2 manages all those variables, and how it knows which one to use? In this blog post, we will explore all the different variable scopes in Icinga 2, and by the end, you will know what this mysterious error message means when you see it in your...
How To Pick The Correct Metrics For Your Monitoring
This is a guest blogpost by Adam Sweet from the Icinga Partner Transitiv Technologies. Since this is a longer post, we added a tl;dr at the end. For many, host and application monitoring is an afterthought at the end of a project. Some people don’t think about...
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...
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...
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