How to delete/remove/clean existing corrupted or old kubeadm kubernetes clusters setup?

clean-kubernetes-master-worker.md

$ docker rm $(docker ps -aq)
$ docker rm -f -v $(docker ps -q)
$ systemctl stop kubelet
$ systemctl stop docker
$ find /var/lib/kubelet | xargs -n 1 findmnt -n -t tmpfs -o TARGET -T | uniq | xargs -r umount -v
$ rm -r -f /etc/kubernetes /var/lib/kubelet /var/lib/etcd
$ kubeadm reset
$ iptables --flush
$ sudo rm -rf ~/.kube
$ sudo rm -rf /etc/kubernetes
$ yum remove -y kubelet kubeadm kubectl
$ echo "1" >/proc/sys/net/bridge/bridge-nf-call-iptables

# REBOOT

$ yum install -y kubelet kubeadm kubectl
$ systemctl start docker && systemctl enable docker
$ systemctl start kubelet && systemctl enable kubelet
$ systemctl daemon-reload
$ systemctl enable --now kubelet
$ systemctl restart kubelet

# Now Run Join Command as You got earlier