Introduction I have been procastinating on this for a while, and did not post since march: shame on me! Since I just rebuilt my production cluster with proxmox/talos, I took the opportunity to run some storage benchmarks to compare rook-ceph’s performance between k8s running on proxmox and k8s running on raspberry pi (version 4 wit 8GB). Read more

Introduction Shame on me, I have not written anything for half a year! What if I had been asleep for half a year, woke-up and realized: well, so much time has passed, the arm macs are now mainstream, have full-support of native tools making developers more efficient, right? Admittedly, I am not speaking for all developers, but I never stated I was. My conclusion from the last post was: poor developers who work with Docker! Read more

Introduction Last week Apple announced its transition to ARM, err, Apple silicon. My first thought was: poor developers who work with Docker! They will now develop and test on an architecture that is - at most - exotic in the datacenters of the mainstream cloud-providers. Don’t get me wrong, I am not an Apple-hater: my day-job work-horse is a 2015 Macbook Pro, and I like it better than my work Windows laptop, also because it has an I7 Intel CPU that has aged well. Read more

Introduction Azure DNS Zones is an inexpensive way to manage DNS records for your domains, even if you have dynamic IP. Back in the days, and before greedy Oracle took it over, dyndns.org used the (free) place to be if you had a dynamic IP and wanted to expose your home-network. Things have changed but fortunately offers like Azure DNS Zones are as inexpensive as a few Euro per month, and are easy to maintain with a little scripting. Read more

Introduction Since the Grafana Image Renderer plug-in is not supported anymore from Grafana 7.0 some changes are required to switch to the remote image renderer, and run it as a docker container. This post goes into the details of setting-up a remote image renderer for Kubernetes, on amd64, arm/v7 and arm64. Multi-arch build The official git repo only supports linux/amd64 at this moment but there is an issue for arm-support. Read more