# files for my CKA online course 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 * 10 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.