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This Git repository contains supporting files for my "Certified Kubernetes Administrator (CKA)" video course. See https://sandervanvugt.com for more details. It is also used in the "CKA Crash Course" that I'm teaching at https://learning.oreilly.com.

In this course you need to have your own lab environment. This lab environment should consist of 3 virtual machines, using Ubuntu LTS server 20.4 or later (22.4 is recommended) Make sure the virtual machines meet the following requirements

  • 2GB RAM
  • 2 vCPUs
  • 20 GB disk space
  • No swap For instructions on how to set up Ubuntu Server 22.04, see the document "Installing Ubuntu 22-04" in this Git repository. For information on getting started with VirtualBox, see this video: https://www.youtube.com/watch?v=4qwUHSaIJdY

JUNE 2023 NOTE: The Calico network plugin has been changing a lot lately. I recommend using the following command to install it:

kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.26.0/manifests/calico.yaml

For more information, see the instructions at https://docs.tigera.io/calico/latest/getting-started/kubernetes/quickstart to install the Calico network plugin.

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