I build a desk, which let me use my 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 office […]
Troubleshooting – Known issues, bugs and common quirks of KVM QEMU virtual machines with gpu passthrough
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 […]
How to update QEMU on Ubuntu 18.04
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 […]
Ditching Adobe Photoshop Lightroom; or how to migrate from Lightroom to open source alternatives
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 […]
Beginner friendly guide to windows virtual machines with GPU passthrough on Ubuntu 18.04; or how to play competitive games in a virtual machine.
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 […]
Synchronization between photo development tools, or the migration from Lightroom to open-source alternatives.
This article describes settings, steps and problems during the migration process from Lightroom to open-source alternatives.
My recommended list of apps – tools I install on my mum’s android mobile.
Quite similar to the list of software, the purpose of this article is to save me some time. I have realized that every time I resurrect the beloved device of a family member, I install the same list of android apps. In the future, if a friend or family member needs software advice, I will […]
My standard list of software – tools I install on my mum’s computer.
The purpose of this article is to save me some time. I have realized that every time I resurrect the beloved machine of a family member, I install the list of software. Update: I have also created an Android version of this article. In the future, if a friend or family member needs […]
Comprehensive guide to performance optimizations for gaming on virtual machines with KVM/QEMU and PCI passthrough
Preamble This guide describes performance optimizations for gaming on a virtual machine (VM) with GPU passthrough. In order to optimize the user experience for virtualized gaming, I started to pursue low latency and high performance. Especially since my main focus are demanding online multiplayer games. The Benchmarking Process I started benchmarking several setups (found on […]
Fighting error 43 – Nvidia GPU in a virtual machine
The infamous error 43 is triggered by the Nvidia Windows driver, in case it recognizes the GPU is used inside a virtual machine with GPU passthrough. This means the driver won’t load correctly during the system startup leaving you with cumbersome 800 by 600 display resolution. An examination of the Windows Device Manager will unveil […]