Scaling Nix builds across a fleet with nix-grpc-store and Niks3
Given the increasing costs for hardware while we have at the same time more software to build (as generated by our little helpers), it …
ZFS ate my RAM: Understanding the ARC cache
If you’re running ZFS on Linux and checking your system’s memory usage, you might be shocked to see that most of your RAM appears to be …
How to execute NixOS tests interactively for debugging
For complex modules, you may sometimes struggle to understand why a test isn’t behaving properly. To gain more insight, you may want to …
How to use NixOS testing framework with flakes
In this article, I will explain how to perform full integration tests with flakes outside nixpkgs. With NixOS testing framework, you can …
Nix-ld: A clean solution for issues with pre-compiled executables on NixOS
No such file or directory: How I stopped worrying and started loving binaries on NixOS. In this article, I will discuss the technical issue …
Hacking on Kernel Modules in NixOS
Lately, I hacked on some kernel modules to get more debug logs out of a kernel module on my NixOS machine. Because NixOS does not follow the …
Cross compiling and deploying NixOS
Background Last week I was setting up this RISCv-based HiFive Unmatched board[1] with NixOS. Thanks to zhaofengli this was actually pretty …
Solve Vivado Remote Connection Test Failed
When you are trying to get Vivado Remote Connections working on Ubuntu, you might have an issue to establish the connection. This can be …
Rooting Intel Based Tablets on Linux Slash Mac Os X
In this article I will explain how to root Intel-CPU based android Devices on Linux/Mac OS X. The instructions are based on this forum post. …
Cgi Like Python Scripts With Systemd Socket Activation
Lets say you want to trigger remote the start of a python script. But you don’t want to have a service running all the time waiting for …