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Benoît Entzmann

Azure Networking in comparison with OnPrem Networking

14.11.2022 by Benoît Entzmann

By being freshly certified as an Azure Network Engineer Associate, I thought it could be a good timing to share what I’ve learned about networking in the Azure cloud. I’ve worked for many years with traditional network equipment and I(…)

DevOps

Kubernetes: Cloudbees troubleshooting with Cilium

11.11.2022 by Benoît Entzmann

We came across an interesting issue recently in one of our customer’s Kubernetes cluster that worth sharing. We installed Cloudbees in that cluster and everything looked fined with all pods up and running. However we couldn’t connect to the Cloudbees(…)

DevOps

Kubernetes: MetalLB in-depth

14.10.2022 by Benoît Entzmann

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 you(…)

DevOps

Cilium installation in Minikube using a multi-cluster environment

23.09.2022 by Benoît Entzmann

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 in(…)

DevOps

DevOpsDays Berlin 2022 Day 2

23.09.2022 by Benoît Entzmann

After a reenergising diner with a typical German meal… Sushis! My colleague (and now food mate!) Chay Te and I were ready to rock Day 2. The day is structured the same way as Day 1 but I’ll not use(…)

DevOps

DevOpsDays Berlin 2022 Day 1

22.09.2022 by Benoît Entzmann

I’m delighted to attend this DevOpsDays in Berlin. Thank you Dbi Services #greatplacetowork for this opportunity. This is my first DevOpsDays event and I’m all ear and motivated to get the most of it with my colleague Chay Te. The(…)

DevOps

Kubernetes Deployment Autoscaling using Memory & CPU

29.08.2022 by Benoît Entzmann

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 order to(…)

DevOps

Exploration of Calico in Minikube

18.08.2022 by Benoît Entzmann

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 Linux and(…)

DevOps

Run 2 specific GitLab Runners in local containers for CI/CD Pipeline

05.08.2022 by Benoît Entzmann

By testing GitLab CI/CD pipeline on my free SaaS GitLab account, I’ve explored the setup of specific GitLab Runner in containers on my local machine. For those who don’t want to use the shared runners of GitLab (it’s free but(…)

Ansible

Using Docker containers for Ansible testing

29.07.2022 by Benoît Entzmann

I’d like to share in this post a quick setup using Docker containers for Ansible testing. I wanted to create a small lab for my Ansible scripts testing. The natural option that came to my mind was to create some(…)