Category Archives: Devops/Linux

Upgrade for centos/rocky linux to new major versions is not supported. If you look for it there are procedures, but the changes between major versions can be so siginificant that this is not a good idea. Therefore, an approach I … Continue reading →

When I setup my kubernetes cluster using kubeadm some years ago, I decided to use a simple non-HA setup of kubernetes, because (1) it simplifies the setup and (2) the cluster will be running on a single server anyway. In … Continue reading →

I am experimenting currently with argocd with the aim to have an (almost) fully automated bootstrapping of my kubernetes cluster at home. One of the first things to do when experimenting is to have a test environment. There are different … Continue reading →

After setting up my kubernetes cluster at home back in June 2021, one of the first things I noticed was a lot more noise from the server. Apparently, it was just a lot of disk IO coming from kubernetes and … Continue reading →

I got a new laptop last week for work and needed to get it ready. Now new laptops usually mean new hardware and that can spell problems if you are installing linux. This is because the latest hardware may be … Continue reading →

This post describes how to monitor logs in kubernetes with grafana and loki. This covers the use case of logging for troubleshooting purposes. That is, it allows analysing human readable logs coming from multiple systems in one aggregated log. Human … Continue reading →

One part of the migration of my old setup to kubernetes is the migration of an old Jira 6.1 instance. Unfortunately, running that same jira instance in a container did not work because of licensing issues, and apparently it is … Continue reading →

As the last step of migration to kubernetes I am migrating my DLNA server to kubernetes. This will allow me to play content from my server on my TV. As part of my previous migration of the NAS I already … Continue reading →

As one of the last steps in moving my VM based setup at home to kubernetes, it is now the turn to migrate my ‘NAS’. The term ‘NAS’ is a too much honor for it since it is basically just … Continue reading →

The migration of my old VM based infrastructure at home to k8s is almost finished. The final steps to do are: moving version control to kubernetes: subversion and git moving my file shares/NAS server hosting my DLNA server for playing … Continue reading →