(1): yum install -y kubelet-1.23.6 kubeadm-1.23.6
systemctl start kubelet
systemctl enable kubelet

swapoff -a


另外一种加入法就是:
kubeadm config print join-default > join.config.yaml
修改配置master URL
token
tolsBOOT.....
#kubeadm join --config=join.config.yaml

如果希望master 作为node角色,
删除label
kubectl taint no