You will not be able to learn Kubernetes by just reading the documentations, watching videos or course materials. You need to practice as much as possible using available labs or your own lab arrangements. Below are some of the lab resources you can refer to practice.
Check Kubernetes learning resources here.
One of the best ways to learn and practice Kubernetes. In this GitHub repository Kelsey Hightower has explained how to build a Kubernetes cluster from scratch but on Google Cloud (GCP) platform. If you have difficulty to use GCP, then check the alternative option from Mumshad/KodeKloud using VirtualBox on local machine.
If you want to create Kubernetes cluster very fast for testing and learning purposes (when you dont have time to build it from scratch) then try automated IaC (Infrastructure as Code) methods using Vagrant, Ansible or Terraform.
There are free Kubernetes labs which you can access from your web browser without configuring anything on your local machine. Please note, these purely test labs and the cluster will be destroyed automatically after a timeout period but you can create new labs anytime again.
Also check these resources to learn EKS (Amazon Elastic Kubernetes Service).
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