My Name is Mathias Hüber. I am 38 years old, father of two, and work as a Software Engineer in Hamburg, Germany. I use my personal blog to create guides with a focus on open-source software solutions for problems that should not exist in the first place. As every 101 blogging guide will tell you, […]
This article describes how my photography workflow functions and how I organize my library and folder structure. Which files do I keep, edit, translate or delete? I have developed and optimized this workflow for several years now. However, I am not a professional photographer, thus the requirements for my workflow definitely differ from the ones […]
Preamble The direct way to a PCI passthrough virtual machines on Ubuntu 20.04 LTS. I try limit changes of the host operating system to a minimum, but provide enough details, that even Linux rookies are able to participate. The final system will run Xubuntu 20.04 as host operating system(OS), and Windows 10 2004 as guest […]
This article is an introduction to Darktable settings for Lightroom user. I will recommend preferences, keybindings and modules, in order to make the switch to Darktable easier and give former Lightroom user a starting point. This article is written for Darktable version 3.0.2. Preamble In a previous article, I described why I left the save […]
I build a desk, which let me use my full desktop computer in the living room without risking a divorce. Here are the plans and some photos. Preamble As rents in the city are high, the space in our flat is limited. Thus, when my daughter got her own room, I had to abandon my […]
Hardware Error “Unknown PCI header type ‘127’ “ Attention! The ASUS Prime x370/x470/x570 pro BIOS versions for AMD RYZEN 3000-series support (version 4602 – version 5220), will break a PCI passthrough setup. Error “Unknown PCI header type ‘127’“. BIOS versions up to (and including) 4406, 2019/03/11 are working. BIOS versions from (and including) 5406, 2019/11/25 […]
Ubuntu 18.04 ships with QEMU version 2.11. If you want to use a newer version, 4.1 in my case, you can build it on your own. In case you are using Libvirt qith QEMU, keep in mind that you might need to update Libvirt as well. The easiest way to update QEMU and Libvirt, is […]
This article describes my migration from Lightroom to open source alternatives, such as Darktable, using xmp sidecar files. I will explain the required migration steps, my photography workflow as well as a bit about the technical background. Preamble I used Adobe Lightroom for the past ten years. Although I am in no way a professional […]
Preamble The intent of this document is to provide a complete, step-by-step guide on how to setup a virtual machine(VM) with graphics cards(GPU) passthrough – detailed enough that even Linux rookies are able to participate. The final system will run Xubuntu 18.04 as host operating system(OS), and Windows 10 as guest OS, considering gaming as […]
This article describes settings, steps and problems during the migration process from Lightroom to open-source alternatives.