Im gonna post the installation process here so that it will be easy for me as well as who want to build a cluster for easy access Raspberry Pi cluster using kuberenetes (rancher k3s) Flash Raspbian OS

"What are you using it for?" "To learn!" should be your stock response. I purchased the Clusterhat a while back as a scaled-down version of FrankenPi although given the age of FrankenPi the scale