Blog

Thoughts and ramblings about technology and everything else.

Auto-updating ESPHome Devices with Home Assistant

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ESPHome is a fantastic little project that enables easy integration of embedded sensoric devices into your home automation system, in particular also Home Assistant. When operating many of these devices, keeping them up-to-date with the latest version of ESPHome quickly becomes a hassle, as there are updates every other week. Here’s how to automate this. Read More →

Telekom Glasfaser with Zyxel SFP ONT

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I’m lucky to have Deutsche Telekom’s fiber service piped directly into my home. While the standard Glasfasermodem gets the job done, I wanted to switch to an SFP module. This way, I can plug the fiber directly into my switch, eliminating an extra device and its power supply. Good news: It’s straightforward. Here’s the rundown. Read More →

My Favorite Firefox Extensions

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I’m using Firefox as main browser (except on mobile due to iOS/iPadOS restrictions), and I particularly like the powerful extensions. Here’s the list of extensions I recommend. Read More →

Cloning OPNsense to Another Disk on a Live System

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part of an ongoing project to consolidate my infrastructure, I am turning my physical OPNsense router into a virtual machine (I may elaborate on the reasons in another blog post). Before proceeding with the virtualization, it’s essential to create a clone of the existing system disk for backup or migration purpo Read More →

GRUB2: How to Avoid Boot Loops by Limiting Retries

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When it comes to systems where manual intervention is a rare luxury – think remote servers or embedded systems – managing boot slots in a resilient manner is critical. This article introduces a refined GRUB2 configuration designed to limit the number of boot attempts, helping you steer clear of infinite boot loops. Read More →