Developing NixOS (and Home Manager) Modules
If you use NixOS or Home Manager, chances are that you have (unknowingly) created a NixOS module. In this post, I'll document my learnings around how they work, and how to easily test them in isolation.
NixOS on Hetzner Dedicated
As it is currently fashionable for the Nerd interested in all things Nix(OS), I have set up my own NixOS Server on Hetzner Dedicated. I'll first go over the setup details, and then describe how I set everything up. Unfortunately, Documentation around the Nix ecosystem is pretty "meh" (being used the high quality of documentation in the Rust ecosystem), so maybe this helps someone else along the way.
Kubernetes resource management and you
Scheduling and resource management is a topic many Kubernetes users seem to struggle with, even though it is vital to understand it and correctly configure your workload to ensure optimal resource usage and application availability. In this article, I'll explain what scheduling and resource management exactly is, how you configure and use them, and go into some best practices.
Continuously Deploying DNS records with DnsControl and CircleCI
In the previous post, I gave a quick introduction to DnsControl, what it does and how it works. In this post, I'll show you how to continuously deploy your changes to Google Cloud DNS using CircleCI.
Managing DNS records the DevOps way
Managing DNS records has always been a bit of a hassle for me. Most DNS providers have some sort of web gui where you have to manually fiddle in all records manually. Besides the fact that this is really tedious, this is quite error-prone. Humans are horrible at doing manual work! So let's automate this!