K8S证书有效期更新

[root@k8s-master01 ~]# kubeadm certs check-expiration   --查看证书有效期

 

 [root@k8s-master01 /etc/kubernetes/pki]# cp -rp /etc/kubernetes/pki/ /opt/pki.bak   --备份证书

[root@k8s-master01 /etc/kubernetes/pki]# kubeadm certs renew all    ---更新证书

[root@k8s-master01 ~]# systemctl restart kubelet.service    ---重启服务