techdoc

From time to time I upload technical documentation that I wrote for personal use as a reference for my future self.

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useful add-ons

created on

April 3, 2026

This is a collection of useful CLI utilities, which usually are not by default installed by GNU/Linux distributions. ...

building an Unified Kernel Image with dracut

created on

January 14, 2026

The dracut man page describes dracut as a ’low-level tool for generating an initramfs/initrd image’, but with ‘uefi=yes’ in dracut’s config, dracut builds an UEFI image that is executable by an UEFI firmware. This is perfect for building an Unified Kernel Image....

Unified Kernel Images

created on

January 14, 2026

A Unified Kernel Image (UKI) is a combination of an UEFI boot stub, a Linux kernel, and further (optional) resources like an initrd, all combined into a single UEFI image. This file can either be directly invoked by the UEFI firmware bootloader or by a bootloader like rEFInd or an OS’ bootloader. ...

UEFI glossary

created on

January 7, 2026

Terms used in the domain of UEFI and related domains, and their abbreviation...

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basic git concepts

created on	October 28, 2023
last modified on	May 6, 2026

overview of a git repo The following picture shows the structure of a git repo and illustrates the flow of data between the repo’s components. The arrows also illustrate the workflow when working with git, with each arrow labeled with the corresponding git command (i.e. add for the command git add): ...

useful add-ons

created on

April 3, 2026

This is a collection of useful CLI utilities, which usually are not by default installed by GNU/Linux distributions. ...

building an Unified Kernel Image with dracut

created on

January 14, 2026

Unified Kernel Images

created on

January 14, 2026