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Thomas Koch

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Architecture Decision Logs

Posted on February 1, 2025 Tags: free software I recently discovered “ Architecture Decision Logs ” or Architecture Decision Records (ADL/ADR) in a software project and really like the idea of explicitly writing down such decisions. You can find complex templates, theory and process for these documents that might be appropriate for big projects. For a small project I don’t think that these are…

Epiphany from 38c3 sixos talk

Posted on January 5, 2025 Tags: debian , nix There are so many new insights from this talk, that I need to pin them down. sixos: a nix os without systemd by Adam Joseph ( Fahrplan ) sixos is much like NixOS but uses s6 instead of systemd and an alternative configuration mechanism for services called “ infusion ” instead of nixos’ modules. s6 is a set of small tools that together provide the…

Thank you Republika Srpska

Posted on May 27, 2024 Tags: debian , peace In 2011 I went to my first DebConf and was very overwhelmed not only by DebConf, Debian and all the interesting sessions. I was also overwhelmed by the hospitality of the Republika Srpska. Our venue was the cultural center “Banski Dvor” in Banja Luka, “the most important cultural center of the city of Banja Luka and the Serb Republic” 1 . We were…

Minimal overhead VMs with Nix and MicroVM

Posted on March 17, 2024 Tags: debian , free software , nix Joachim Breitner wrote about a Convenient sandboxed development environment and thus reminded me to blog about MicroVM . I’ve toyed around with it a little but not yet seriously used it as I’m currently not coding. MicroVM is a nix based project to configure and run minimal VMs. It can mount and thus reuse the hosts nix store inside the…

Rebuild search with trust

Posted on January 20, 2024 Tags: debian , free software , life , search , decentralization Finally there is a thing people can agree on: 2023-08-28, OSNews: The end of the Googleverse 2023-07-28, Cory Doctorow: Microincentives and Enshittification 2023-10-03, Cory Doctorow: Google’s enshittification memos 2024-01-15, Tim Bray: Mourning Google Apparently, Google Search is not good anymore. And I’m…

Using nix package manager in Debian

Posted on January 16, 2024 Tags: debian , free software , nix , life The nix package manager is available in Debian since May 2020 . Why would one use it in Debian? learn about nix install software that might not be available in Debian install software without root access declare software necessary for a user’s environment inside $HOME/.config Especially the last point nagged me every time I set…

Chromium gtk-filechooser preview size

Posted on January 9, 2024 Tags: debian , free software , life I wanted to report this issue in chromiums issue tracker , but it gave me: “Something went wrong, please try again later.” Ok, then at least let me reply to this askubuntu question . But my attempt to signup with my launchpad account gave me: “Launchpad Login Failed. Please try logging in again.” I refrain from commenting on this to not…

Good things come ... state folder

Posted on January 2, 2024 Tags: debian , free software , life Just a little while ago (10 years) I proposed the addition of a state folder to the XDG basedir specification and expanded the article XDGBaseDirectorySpecification in the Debian wiki. Recently I learned , that version 0.8 (from May 2021) of the spec finally includes a state folder. Granted, I wasn’t the first to have this idea (2009),…

My exclusion from the Debian project

Posted on March 15, 2023 Tags: As requested , I lay out what happened from my point of view. Date: Sun, 15 Nov 2020 10:01:53 +0100 (CET) From: Thomas Koch To: debian-private@lists.debian.org Subject: Basic information about Corona in German TL;DR: If you’re not concerned about the worldwide restrictions to basic rights implemented to combat Covid-19, you can stop reading now. I wrote a summary…

Know your tools - simple backup with rsync

Posted on June 9, 2022 Tags: debian , free software I’ve been using rsync for years and still did not know its full powers. I just wanted a quick and dirty simple backup but realised that rsnapshot is not in Debian anymore. However you can do much of rsnapshot with rsync alone nowadays. The --link-dest option ( manpage ) solves the part of creating hardlinks to a previous backup ( found here ). So…