08 2023 档案
kubeadm 部署的集群升级、回滚教程
摘要：#K8S升级步骤，注意升级集群会重置coredns 自定义的域名解析,小版本升级，最好不要跨几个大版本升级 注：升级前先通过kubepug工具检查废弃的版本 将旧版本的api转为新版本对应的api 查看旧版本的api资源内容 ETCDCTL_API=3 /opt/etcd/bin/etcdctl - 阅读全文
posted @ 2023-08-16 12:57 MhaiM 阅读(382) 评论(0) 推荐(0)
执行kubeadm 出现 FATAL: the ConfigMap "kubeadm-config" in the kube-system namespace used for getting configuration information was not found
摘要：现象: [upgrade/config] Making sure the configuration is correct:[upgrade/config] Reading configuration from the cluster...[upgrade/config] FYI: You can 阅读全文
posted @ 2023-08-16 09:27 MhaiM 阅读(364) 评论(0) 推荐(0)
创建pod ,分配不了ip 问题
摘要：现象:Failed to create pod sandbox: rpc error: code = Unknown desc = [failed to set up sandbox container "84f81f2eb977db06dcafa1bd9d6000bc562d0c57b83484d 阅读全文
posted @ 2023-08-15 22:28 MhaiM 阅读(1425) 评论(0) 推荐(0)
K8S 1.27.1版本初始化配置文件时报your configuration file uses an old API spec: "kubeadm.k8s.io/v1beta2". Please use kubeadm v1.22 instead and run 'kubeadm config migrate
摘要：现象: your configuration file uses an old API spec: "kubeadm.k8s.io/v1beta2". Please use kubeadm v1.22 instead and run 'kubeadm config migrate --old-con 阅读全文
posted @ 2023-08-10 15:56 MhaiM 阅读(1246) 评论(0) 推荐(0)
查看K8S /etc/kubernetes/admin.conf或/root/.kube/config 过期时间
摘要：1、复制 client-certificate-data: 如下的内容 2、 执行解密 echo" client-certificate-data的内容" |base64 -d >c.crt 3、查看过期时间 cfssl certinfo -cert c.crt 查看 not_before 和not 阅读全文
posted @ 2023-08-08 09:00 MhaiM 阅读(79) 评论(0) 推荐(0)