离线状态下k8s集群证书续期
openssl x509 -noout -dates -in /etc/kubernetes/pki/apiserver.crt生成一个集群配置的yaml文件:kubeadm config view > cluster.yamlStep 1): Backup old certs and kubeconfigs 备份所有证书和文件 mkdir /etc/kubernetes.bak cp -r /etc/kubernetes/pki/ /etc/kubernetes.bak cp /
