yum -y remove kubelet kubeadm kubectl kubeadm reset modprobe -r ipip lsmod rm -rf $HOME/.kube rm -rf ~/.kube/ rm -rf /etc/kubernetes/ rm -rf /etc/systemd/system/kubelet.service.d rm -rf /etc/systemd/system/kubelet.service rm -rf /usr/bin/kube* rm -rf /etc/cni rm -rf /opt/cni rm -rf /var/lib/etcd rm -rf /var/etcd