kubernetes

Kubernetes CoreDNS in depth

You know that CoreDNS is one of the core component of Kubernetes. You may also know that the CoreDNS pod is up and running only after the Container Network Interface (CNI) has been installed in(…)

Swiss Cloud Native day landed at the Gurten!

On the 21st of September this year, we attended the Swiss Cloud Native Day. I was accompanied by two of my colleagues, Arnaud Berbier and Christoph Bernhard. This event took place for the third time, and this year,(…)

Kubernetes Community Days landed in Zürich

Today at dbi services, with my colleague Chay Te and Arjen Lankkamp, we attended to the KCD in Zurich. First occurrence of the Kubernetes Community Days organized in Switzerland, the KCD Zurich hosted 250 participants. The previous day was(…)

KubeCon / CloudNativeCon 2023 – Day 3

Today is the last day of conferences. It is unexpected but I get fitter and fitter as I walk between 4 and 5 kilometre each day from one session to another. The RAI Amsterdam Convention Centre is huge and(…)

Kubernetes: Extension of disk in Rook Ceph

In my previous blog, I’ve introduced the storage solution Rook Ceph for Kubernetes. We saw that in our architecture we had 3 workers dedicated for storage using Ceph file system. Each worker had 2 disks(…)

Introduction to Rook Ceph for Kubernetes

We have been doing a lot of tests around Rook Ceph lately for one of our customer and it may worth sharing what I’ve learned. If you want a quick overview on that topic before diving into the official(…)

Kubernetes: MetalLB in-depth

By working on a project for one of our customer, I have investigated how MetalLB works in details. This Kubernetes cluster is on-premises only and uses Nginx Ingress Controller for processing incoming L7 and L4 traffic. If(…)

Cilium installation in Minikube using a multi-cluster environment

In this post I’ll share my experience with installing Cilium in Minikube on my Mac. It was not that hard but I faced an issue I had to troubleshoot. I’ll also show you how to create several Kubernetes clusters(…)

Kubernetes Deployment Autoscaling using Memory & CPU

If you would like to implement autoscaling in your Kubernetes cluster then you are at the right place to get started, so read on. I’ve explored the implementation of the Kubernetes object called HorizontalPodAutoscaler (HPA for short) in(…)

Exploration of Calico in Minikube

If you are interested to learn Calico locally on your machine, it is possible to use it with Minikube. Minikube is a tool that sets up a Kubernetes environment on your local machine. It works on Windows, MacOS and(…)