kubeadm部署的k8s 1.23集群证书更新

//查看证书
kubeadm certs check-expiration
//轮换更新所有证书
kubeadm certs renew all

//移动文件间接重启
mv /etc/kubernetes/manifests/*yaml /tmp/
kubectl get pod
mv /tmp/*.yaml /etc/kubernetes/manifests/

//更新config
cp /etc/kubernetes/admin.conf $HOME/.kube/config

//查看
kubectl get cs