yum install -y bash-completion

source /usr/share/bash-completion/bash_completion

source <(kubectl completion bash)

echo "source <(kubectl completion bash)" >> ~/.bashrc

yum remove -y kubelet kubeadm kubectl

kubeadm reset -f

modprobe -r ipip

lsmod

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

yum remove containerd.io.x86_64 docker-ce.x86_64 docker-ce-cli.x86_64 docker-cerootless-extras.x86_64

docker-scan-plugin.x86_64

8.检测是否删除成功

yum list installed | grep docker

docker version