This guide will show first how to reset a Kubernetes environment (Deployed by kubeadm) and then how to uninstall Kubernetes completely from the cluster.
If the Kubernetes cluster was deployed via kubeadm. The following command should be run on a cluster to remove from a cluster.
NOTE: The command will need to be run on all nodes and masters to completely destroy the cluster configuration
To uninstall Kubernetes from the cluster completely, uninstall and purge configuration by running the below.
NOTE: The command will need to be run on all nodes and masters to completely remove all packages from all servers involved.
apt remove --purge kubelet kubeadm kubectl kubernetes-cni