Every homelab operator knows the problem: you access a self-hosted service via its IP address and a port in your browser, and are immediately greeted by a red SSL warning ("This connection is not secure"). Ignoring these warnings is not only annoying but also a bad habit in the long run. In this article, I'll show you how to create real, green SSL certificates for your local services using Nginx Proxy Manager (NPM) and the Let's Encrypt DNS-Challenge – completely without having to expose any ports to the internet!

The constant switching between the terminal and a browser tab with ChatGPT is annoying. This is precisely where AI-powered CLI (Command Line Interface) agents come in. Tools like GitHub Copilot CLI, Gemini, or Claude-based helpers such as Aider bring artificial intelligence exactly where developers and sysadmins need it most: directly into the command line.

With the Klipper update 2026, z_offset in the probe_eddy_current block was marked as deprecated and replaced by descend_z. This article shows step-by-step how you need to adjust your printer.cfg, homing macros, and the entire calibration process for the BTT Eddy (USB).

Developing a Django web application is already a demanding task, but the correct configuration of your server stack can have a significant impact on your application's performance and productivity. In this article, we will focus on using Nginx Unit as a WSGI (Web Server Gateway Interface) server for your Django app and how this configuration can increase efficiency.

Everyone who operates a Raspberry Pi with connected USB devices probably knows the problem: After a system restart or when changing the USB port, the designation of the connected USB devices suddenly changes.