Certified Rancher Operator

Last week I completed Certified Rancher Operator: Level 1. I already had some experience with the products of Rancher Labs. I wrote some posts about the K3S product and I have implemented a Rancher based solution at a customer. Next to that I was part of team tht build a Rancher based platform to host different teams in a muli tenant setup. I already heard that Rancher was thinking about certifications for their products. I have to say that I like their approach. It is very easy to start. You have to go the Rancher Academy and create a account. Currently there is one training available but during the training there are references being made to the next training and at the end of the course they talk about some of the topics the level 2 training will contain. The training is a mix of presentations and demo’s, via Youtube videos, and excercises you can do. The excercises are not mandetory but will help you understand the material better. The trainers Adrian Goins and William Jimenez are doing a good job in presenting the material. It easy to follow and complete because the videos are split up in small chunks so that you are able to complete parts of the training without having to block large parts of your day. After you have completed the training and passed the final test you get a certificate. You can see my certificate here ...

June 8, 2020 · 2 min · 266 words · Jurgen Allewijn

k3s: Kubernetes Dashboard + load balancer

In my post about first experience with k3s I blogged about setting up my k3s based cluster on Raspberry PI’s. Since that post I have added two more nodes Raspberry Pi’s and also updated to the 0.3.0 version of k3s. pi@k3s-master-1:~ $ kubectl get nodes NAME STATUS ROLES AGE VERSION k3s-master-1 Ready master 4h11m v1.13.5-k3s.1 k3s-node-1 Ready node 129m v1.13.5-k3s.1 k3s-node-2 Ready node 118m v1.13.5-k3s.1 k3s-node-3 Ready node 119m v1.13.5-k3s.1 pi@k3s-master-1:~ $ Next step for me was getting the Kubernetes Dashboard up and running. I used the information from Web UI (Dashboard) First downloaded I the kubernetes-dashboard.yaml ...

April 8, 2019 · 3 min · 503 words · Jurgen Allewijn

k3s: release v0.2.0 released

Rancher has released v0.2.0.of k3s. Information of the new release is in this article. As soon as I have some time and I have added two extra nodes to the cluster, I’m going to add the cluster to my Rancher server. I have upgraded my Raspberry Pi’s to v0.2.0. The process of upgrading is really simple. Just download the new version and replace the old version of k3s with the new version and restart. ...

March 9, 2019 · 3 min · 466 words · Jurgen Allewijn

k3s: Lightweight Kubernetes Distribution first experience

Rancher introduced alsmost week ago k3s, a lightweight Kubernetes Distribution. In the YouTube video below you hear Shannon Williams and Darren Shepherd from Rancher talk about K3S, what it is, the usecases and demo of K3S. https://youtu.be/5-5t672vFi4 k3sis a fully compliant, production-grade Kubernetes distribution that maintains an absolutely tiny footprint. Weighing in at less than 40 MB, it only needs 512 MB of RAM to run. This means it’s perfect for all kinds of computing that requires a minimal about of memory and space. ...

March 6, 2019 · 5 min · 928 words · Jurgen Allewijn

Stay up to date

Practical insights on Azure, Kubernetes, cloud security, and digital sovereignty. No spam—just occasional technical deep dives and lessons from the field.