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...
Leveraging component variants in Figma for UI Design
Being a Sketch user since it's early days, I found Figma looked really promising, when it finally appeared. While Sketch caught up on most of Figma's features, like collaboration, developer handoff and AutoLayout (at least to some degree), the small feature set...
The Tale of a Single Lock in Icinga 2
To speed up startup and reload times of Icinga 2, we have already put a lot of effort into improving the configuration load performance and still continue to do so for the next major release. In this blog post, I will share the story of one particular issue we found,...
IPL: How to use ipl-html
In my previous blogpost I briefly explained the IPL and the tasks that these individual libs can perform. Today I want to explain how our ipl-html lib works and how to use it. This library helps you write HTML in a very simple and safe way. You don't need text...
Authenticating Icinga 2 API Users with TLS Client Certificates
When interacting with the Icinga 2 API, the client is commonly authenticated using a password provided via HTTP basic auth. Icinga 2 also supports a second authentication mechanism: TLS client certificates. This is a feature of TLS that also allows the client to send...
How We Schedule Tasks in PHP at Icinga – A Look Behind the Scenes
When building software like Icinga, some of the most critical operations happen silently in the background. Recurring tasks whether for collecting data, renewing certificates, or generating reports are essential to delivering the functionality our users rely on every...
How to Create Custom-Branded Icinga Reports – Quick Tip
With Icinga Reporting you can create custom SLA reports for hosts and services that are monitored with Icinga. The module for Icinga Web fetches existing data and takes planned downtimes into account. You can filter for certain hosts and services as well as set custom...
Use actual data in Sketch for more realistic mockups
This time I want to show a feature that's not obvious at first sight, but can save a lot of time, when you're intending to create UI mockups with realistic data. Why it is important to test UI concepts with realistic data at a certain point In my opinion it's totally...
Using Sketch Symbols to boost the UI mock up workflow 🚀
As you may have noticed in one of my last posts, I’m not super averse to using Sketch in my daily workflow. Still, for creating UI mock ups, both high low quality, Sketch is the graphics tool, that I feel most comfortable in, because it enables me to work and ideate...
Why Monitoring?
We have decided to make some short educational videos about Icinga, and today we will be releasing the first one: Why Monitoring? In these videos we want to explain the Whys and Whats and Hows around Monitoring in a way that is accessible to anyone who is interested....
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