如果集群是通过 Kubeadm 搭建的,默认已经开启了,如果是二进制方式安装的集群,还需要单独配置 kube-apsierver 添加如下参数并重启: --requestheader-client-ca-file=<path to aggregator CA cert> --requestheader-allowed-names=aggregator --requestheader-extra-headers-prefix=X-Remote-Extra- --requestheader-group...
CPU utilization的计算方法是用cpu usage(最近一分钟的平均值,通过metrics可以直接获取到)除以cpu request(这里cpu request就是我们在创建容器时制定的cpu使用核心数)得到一个平均值,这个平均值可以理解为:平均每个Pod CPU核心的使用占比。 我们计算在上例中的计算方法: 上例中我们的cpu request为200m(在部署文件中...
Commands are built by choosing that action [verb] you want to apply to the desired Kubernetes resource [object] usually followed by the name of the resource additionally you have a large array of filters [flags] that can be applied to the command which will determine the final scope and out...
If you’ve created a deployment yaml file and would like to validate thesyntax, use the command: kubectl create --dry-run --validate -f <file>.yaml Example: $ kubectl create --dry-run=client --validate -f hello-world.yml pod/hello-world created (dry run) If there is a syntax error...
# Show node resource utilizationkubectltopnode[node-name]# Node name is optional; without shows table of all nodes# Get node informationkubectl get node 1. 2. 3. 4. 5. 使用Deployments, DaemonSets 和 StatefulSets 部署、守护程序集和有状态集是 Kubernetes 中的更高级别的抽象,用于管理应用程序工作...
给node设置标签 docker label node node1 name=ek8s-node-1 #设置 docker get node --show-labels #查看 删除一个Label,只需在命令行最后指定Label的key名并与一个减号相连即可: $ kubectl label nodes 1.1.1.1 role- 修改一个Label的值,需要加上--overwrite参数: $ kubectl label nodes 1.1.1.1 role=...
$ kubectl create deployment NAME --image=image -- [COMMAND] [args...] Flags ingress Create a single ingress called 'simple' that directs requests to foo.com/bar to svc # svc1:8080 with a tls secret "my-cert" kubectl create ingress simple --rule="foo.com/bar=svc1:8080,tls=my-cert...
kubectl get nodes The drained node shows theSchedulingDisabledstatus. Note: Thekubectl cordoncommand allows you to cordon a node without draining it: kubectl cordon [node-name] Troubleshooting Errors When attempting to evict pods from a node, you may encounter errors. Below is the list of the mo...
kubectl[command][TYPE][NAME][flags] command: specifies the operation that you want to perform on one or more resources (create, get, describe, delete) type: specifies the resource type. Resource types are case-insensitive and you can specify the singular, plural, or abbreviated forms ...
Kubernetes not able to find metric-server api.I am using Kubernetes with Docker on Mac. I was trying to do HPA from following example. However, when I execute command kubectl get hpa, My target still was unknown. Then I tried, kubectl describe hpa. Which gave me ...