Today we had another job of a special kind. Due to data protection regulations, certain settings had to be changed for all users on our 3CX system. In version 18 of 3CX, there was a mass data change in the web interface. Unfortunately, this is completely missing in version 20. It can't be that some...

Apple's Airplay is a really great thing. You simply select the existing Airplay-enabled speakers (in my case Sonos) in the Mac/iPhone and the party starts. In the background, the Bonjour service is responsible for this smooth process. Under Linux there is avahi for this. After looking at th...

Today I had a few problems again with brew, which is getting on in years. So I looked for an alternative for brew and came across nixos. At first I didn't realize how nixos could help me here. But a quick look at the documentation and I realized what nix is capable of.

🤷 Why would one want to have

Temperature monitoring always plays an important role in IT. There are various very expensive solutions for this purpose. In this article, I will show you an inexpensive alternative.

Normally we use a Raspberry Pi for such things, but here is a solution that also works well with existing Windo...

Today one of my colleagues triggered a Windows 11 feature update on a VM. The result was a Windows 11 VM that would no longer start. The error is actually a well-known problem inaccessible bootdeviceand has often fixed with the following instructions https://nerdschalk.com/stop-code-inaccessible-...