Icinga and Checkmk are the two open-source monitoring tools that turn up most often on the same shortlist. Both monitor IT infrastructure, and on a feature list they look close to interchangeable....
Icinga vs Checkmk: Setup, Cost, Flexibility and Support
Icinga and Checkmk are the two open-source monitoring tools that turn up most often on the same shortlist. Both monitor IT infrastructure, and on a feature list they look close to interchangeable....
Using writable bind mounts with Icinga 2 in rootless Podman
Running Icinga 2 in a rootless Podman container is pretty straightforward, it works just the same as on Docker, so all the examples on our Docker Hub page work as expected. For example this one to generate certificates and initialize the master configuration: podman...
Icinga Web SSO walkthrough
The ability to log into all corporate applications with one username and password is pretty convenient, even compared to a password manager. As a benefit, the IT department can centrally enforce one desired two-factor auth mechanism. Now we, Icinga, also provide a...
How Git Worktrees Changed My Development Workflow
Since I started using Claude Code more frequently, I kept noticing a "worktree" checkbox popping up whenever I started a session in a Git repository. I had no idea what it meant, so I did what any curious developer would do and started digging. What I found was a Git...
Features in Icinga Web 2 Worth Knowing About
When you work closely with Icinga Web 2, developing modules, building dashboards, poking around the internals, you naturally pick up on features that most users never think about. Some are usability improvements that deserve more attention than they get. Others are...
Releasing Icinga 2 v2.16.4
Today, we are announcing the availability of Icinga 2 v2.16.4. This release contains a number of fixes for various smaller but annoying bugs, including one regression regarding API authentication with certain HTTP client libraries. It also ensures that Icinga 2 is...
Monitoring Docker Containers with Icinga
A container reporting "up" tells you the process is running, not that the workload is healthy - but that caveat is true of any service, on a container or a bare server. What makes containers their own monitoring problem is the layer around the process: per-container...
I tried to build a design system with Figma and Claude from Scratch
Like many, I’ve been experimenting with Claude recently and tried to explore not only its capabilities, but of course also its limitations. The illusion that I could assign it a task and the AI tool would easily execute the work vanished quickly and I experienced...
IPL: How to use the ipl-web TermInput
Most form fields ask users for a single value like a name, an email, or a date. But some need a list of values. A plain text input with comma-separated values can technically do the job, but it gives no feedback while typing, no suggestions, and one invalid entry...
Icinga 2 v2.16.1 Bugfix Release
Today, we are announcing the release of Icinga 2 v2.16.1 which fixes an issue with some performance data writers. We have received a number of problem reports for v2.16.0 which could be traced back to some rework of the writers we did in that version. These issues can...
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 setup that no existing plugin handles. That's where writing your own...
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...
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