CentOS/8 Stream on libvirt/KVM with Kickstart and virt-install

22. Januar 2023 in Administration, GNU/Linux, Technology.

This article describes using Kickstart to automate the CentOS installer and virt-install to automate the creation of a VM. The following setup is assumed: There is a libvirt hypervisor called virthost. ssh to virthost as “root” is possible.

WordPress-Plugin to Embed Gitlab Project Information

9. Juni 2025 in Programming, Technology.

For my personal use, i wrote a small WordPress plugin that allows me to embed a link to a Gitlab repository, a list of commits and a link to the releases of that project in a WP post. Example (linebreaks added to shortcode for readability): [​gitlab-show-project url=”https://example.test/gitlab” project_id=99 max=3 author=”none” releases=”latest”​]

Interactive nftables Ruleset Editor

11. Januar 2024 in Administration, GNU/Linux, Technology.

I wrote a simple shell tool to interactively edit the current nftables ruleset using a terminal-based text editor (respecting environment variable EDITOR and defaulting to vim). For testing purposes, it can optionally revert the changes after a timeout specified in seconds (option –timeout SECONDS, requires systemd-run).

 Other Ways

20. Juli 2025 in Music.

120 bpm Deep House / Glitch https://tk-sls.de/musik/mp3/Other%20Ways.mp3

 Trabant

20. Juli 2025 in Music.

Electronic, 120 bpm. https://tk-sls.de/musik/mp3/Trabant.mp3

GRE Setup for Bacula on a Mobile Client

9. November 2024 in Administration, GNU/Linux, Technology.

The way Bacula works is: A backup client runs a TCP server process bacula-fd, waiting for a backup server process bacula-dir to connect and perform backup and restore jobs. There is a simple authentication mechanism, where bacula-dir presents a shared secret to bacula-fd to be granted access. Opening the bacula-fd TCP server on an exposed […]