常见问题

证书过期

[authentication.go:64] Unable to authenticate the request due to an error: [x509: certificate has expired or is not yet valid, x509: certificate has expired or is not yet valid]

• https://stackoverflow.com/questions/49885636/kubernetes-expired-certificate
• https://www.cnblogs.com/framework-bk/articles/18029721
• https://kubernetes.io/zh-cn/docs/tasks/administer-cluster/kubeadm/kubeadm-certs/