k8s卸载

1、停止相关服务

systemctl stop kubelet
systemctl stop etcd
systemctl stop docker

2、卸载k8s

kubeadm reset -f

3、删除k8s相关目录

（1）modprobe -r ipip
（2）lsmod
sudo rm -rvf ~/.kube
sudo rm -rvf ~/.kube/
sudo rm -rvf /etc/kubernetes/
sudo rm -rvf /etc/systemd/system/kubelet.service.d
sudo rm -rvf /etc/systemd/system/kubelet.service
sudo rm -rvf /usr/bin/kube*
sudo rm -rvf /etc/cni
sudo rm -rvf /opt/cni
sudo rm -rvf /var/lib/etcd
sudo rm -rvf /var/etcd
docker kill $(docker ps -a -q)
docker rm $(docker ps -a -q)
docker rmi -f $(docker images -q)

4、卸载k8s相关程序

yum -y remove kube*

5、更新

yum clean all
yum -y update
yum makecache