证书更新 默认证书一年有效期 一旦证书过期,使用kubectl时会出现如下提示:`Unable to connect to the server: x509: certificate has expired or is not yet valid` 查看证书过期情况 [root@k8s-test-master- ~]# kubeadm alpha certs check-expiration CERTIFICATE EXPIRES RESIDUAL TIME EXTERNALLY MANAGED
Ubuntu Docker is supported on these Ubuntu operating systems: Ubuntu Xenial 16.04 (LTS) Ubuntu Trusty 14.04 (LTS) Ubuntu Precise 12.04 (LTS) This page instructs you to install using Docker-managed release packages and installation mechanisms. Using t
最近把一个项目从core2.2迁移至core3.1,在本地win上跑没有问题,但是上线到生产Ubuntu docker环境下连接不上sqlserver报以下错误. A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 35 - An internal e
kubeadm 默认证书为一年,一年过期后,会导致api service不可用,使用过程中会出现:x509: certificate has expired or is not yet valid. 方案一 通过修改kubeadm 调整证书过期时间 修改代码,调整过期时间 方案二 通过自动轮换证书默认开启 以下方案通过第二种方法模拟集群证书过期 准备 本次集群版本1.15 备份集群证书(略) cd /etc/kubernetes tar czvf kubernetes.tar.gz kubern
1.k8s 搭建 参见https://blog.51cto.com/lizhenliang/2325770 [root@VM_0_48_centos ~]# kubectl get cs NAME STATUS MESSAGE ERROR scheduler Healthy ok controller-manager Healthy ok etcd-1 Healthy {"health": "true"} etcd-0 Healthy {"health