This katacoda based online trial version which goes with book meant for CDAC Advance Computing Classes https://github.com/ashishwaghmare/cdaclab
Instead of installing Ubuntu on VM. Use this excercise to work on OS use cases.
Git clone fork
Start spring boot based Microservices
Microservice built should be tested via TestNG/Junit/Cucumber
Automate above microservice via TestNG
Take above microservice and dockerize it
Take above microservice and package it into K8s cluster
See how SideCar and k8s work with Microservice
Visit https://www.katacoda.com/ashishwaghmare to view the profile and interactive scenarios
Visit https://www.katacoda.com/docs to learn more about creating Katacoda scenarios
For examples, visit https://github.com/katacoda/scenario-example