在Cluster 中,除了可以通过 Cluster IP 访问 Service,Kubernetes 还提供了更为方便的 DNS 访问。 DNS组件 kubeadm 部署时会默认安装 kube-dns 组件。 coredns 是一个 DNS 服务器。每当有新的 Service 被创建,coredns 会添加该 Service 的 DNS 记录。Cluster 中的 Pod 可以通过 <SERVICE_NAME>.<NAMESPACE_NAME>...
Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at: https://kubernetes.io/docs/concepts/cluster-administration/addons/ Then you can join any number of worker nodes by running the following on each as root: kubeadm join 10.129.5.77:6443 --token p6kb2h.ndduahfcvp...
Completely Delete K8s Cluster Today I spend some time to investigate how to remove nodes from the k8s cluster that built bykubeadm. For example, I have a 3 nodes cluster calledk8stest, I deploy the application innamespacetest-1, each worker node (k8stest2andk8stest3) holds some pods: kube...
On this cluster, I experience that the apiserver vanishes from time to time - I have to systemctl restart kubelet in those cases to get it up again. Maybe it's related. The cluster was initialized with kubeadm (v1.9.1, too). 3dbrowscommentedJan 30, 2018 I'm also seeing this with a...
[preflight] Pulling images required for setting up a Kubernetes cluster [preflight] This might take a minute or two, depending on the speed of your internet connection [preflight] You can also perform this action in beforehand using 'kubeadm config images pull' [certs] Using certificateDir ...
kubernetes移除 kubectl delete -f yaml,k8s常用指令集(kubectlkubeadm)官方指令文档官方常用指令一、基础命令:create、delete、get、run、expose、set、explain、edit准备文件[root@m01~]#vimwordpress.yamlapiVersion:v1kind:Podmetadata:name:wordpressspec:containers
For example: iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X If your cluster was setup to utilize IPVS, run ipvsadm --clear (or similar) to reset your system's IPVS tables. The reset process does not clean your kubeconfig files and you must remove them ...
kubernetes在主容器的启动之后和停止之前提供了两个钩子函数: post start:容器创建之后执行,如果失败了会重启容器 pre stop :容器终止之前执行,执行完成之后容器将成功终止,在其完成之前会阻塞删除容器的操作 钩子处理器支持使用下面三种方式定义动作: Exec命令:在容器内执行一次命令 …… lifecycle: postStart: exec: ...
install k8s use kubeadm with cri-o runtime upgrade the cri-o on some node. When cri-o upgrade and restart new version cri-o, the running pod will re-created. Anything else we need to know? No response CRI-O and Kubernetes version ...
try logging the issue in kubernetes/kubernetes. thanks. kubeadm init ... and join 1 worker node. k8s cluster running is OK After that, I shutdown my Master Node to move it to a new location, the Master Node IP address change.