Another year, another Hacktoberfest. This year, I created a basic ray tracer and also contributed to a Prometheus exporter.

This blog post documents the steps I took to create a Kubernetes cluster according to Kelsey Hightower's "Kubernets The Hard Way", but with LXC.

HashiCorp Vault is a tool for centralized secrets management. In my opinion, the best way to learn a technology is to use it. For this reason, we are going to build a demo system in this blog post.

This article will describe how to monitor batch jobs with Prometheus. The defining characteristic of batch jobs is their limited lifetime. Monitoring ephemeral jobs with Prometheus is suboptimal due to Prometheus pull-based architecture.

After two and a half years away from blogging, I am starting again with a new approach. What began as a way to showcase my skills has shifted. Now I am writing to keep a personal record of the projects and experiences that have shaped my journey..

Last month, I relocated from Karlsruhe, Germany to Amsterdam, the Netherlands. My two primary motivations have been the desire to live in a different country and a job offer that sparked my interest. It has been quite an adventure so far and I wanted to share my experiences.

Sometimes I need to create certificates for testing purposes. For example, I set up an etcd cluster by hand recently. This happens rarely enough that I need to look up the openssl syntax every time.