A couple of weeks ago I sat in a meetup, where Dave Stanke from Google mentioned he sometimes creates self-destructing VMs. I had never thought about self-destructing VMs, and decided to try this out with Azure. What’s required for a self-destructing VM First things first, we’ll need a way to create our VM. Through this […]
Author: nillsf
CKAD series part 8: State Persistence
We’re almost there! This is the final blog post in the CKAD series! I hope you got value out of the learning experience. Let’s dive into our final topic (as there is only one): Understand PersistentVolumeClaims for storage Our final topic for the CKAD requires us to understand PersistentVolumeClaims. We worked with Volumes before in […]
Using Packer to build Windows Images (on Azure)
Today I helped a colleague and his customer out with automating the building of their images using Packer. I thought: why not share the experience. What is Packer? Packer is a tool developed by Hashicorp (the company behind Terraform) that makes it easy to automate the creation of custom images (or AMIs in AWS). The […]
CKAD series part 7: Services and Networking
This is part 7 in a series of blog posts covering my learning experience for the CKAD exam. You can find the other parts in the series here: Part 1: intro, exam topics and my study plan Part 2: Core concepts Part 3: Configuration Part 4: Multi-container pods Part 5: Observability Part 6: Pod Design […]
Failed NetworkPolicy Experiment
Introduction I recently played around with kubernetes NetworkPolicies while writing part 7 of my CKAD series. I hit some configurations that didn’t make sense at all. Because I was learning about NetworkPolicies, I thought it was just me; but it appears it might have been an Azure issue. That being said, if you want to […]