Kubernetes

Let’s upgrade Kubernetes with kubeadm

Upgrade the Control Plane After installing a Kubernetes cluster, I suggest we continue upgrading the cluster using kubeadm installation and configuration tools. So that you know, upgrading a cluster is done from version to version +1.

Windows Server container on an AKS cluster

A few weeks ago I participated at the dbi services bootcamp. All new employees are gathered for a refreshment of dbi services best practices. This is also an opportunity to ask questions directly to our CEO(…)

Easily build a kubernetes cluster with kubeadm

In the upcoming blog posts, I will cover monitoring with Prometheus in a Kubernetes infrastructure. As I started blogging, I decided it would be useful to delve into the design of the k8s infrastructure. This will allow you to approach(…)

VMware Tanzu Kubernetes: Create your first cluster

This is the second part of my journey with Tanzu (follow the first part here in case you missed it: VMware Tanzu Kubernetes: Introduction), this time I’ll describe how to initiate our first managed cluster. Then,(…)

GitLab Migration and Upgrade

I’ve worked with my mate Donovan Winter (we are called Thomson and Thompson!) on a very interesting project for one of our customer that’s worth sharing. They had an old version of GitLab (release 13.3.4) running in a pod in(…)

ChatGPT vs DevOps

As a lot of curious people, I have experimented with ChatGPT in order to figure out if it could be helpful in my work as a DevOps consultant or even replace me (why not?). If you are also interested to(…)

VMware Tanzu Kubernetes: Introduction

Welcome in the world of managed Kubernetes! You’ve probably click or found this blog searching for more informations on Tanzu. Probably also because full or part of your infrastructure is managed with vSphere and you have interests. Perfect, you’re in(…)

Kubernetes SSO using Azure AD: The Production Solution

In my previous blog I’ve detailed the tests we did regarding SSO in Kubernetes using Azure AD. I’ve described all the steps of our research on this topic in order to give our readers a real(…)

Kubernetes SSO using Azure AD

I’ve worked on this project to authenticate Kubernetes users against Azure AD and so have Single Sign-On (SSO). That was a long journey on a rocky road and it’s worth summarising in this blog all the steps required to make(…)

Kubernetes: Cloudbees troubleshooting with Cilium

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(…)