K8S常用的一些命令及工具

已json格式输出

[root@k8master1 ~]# yum install epel-release
[root@k8master1 ~]# yum -y install jq
[root@k8master1 ~]# kubectl get --raw /api/v1/namespaces/dev | jq
{
  "kind": "Namespace",
  "apiVersion": "v1",
  "metadata": {
    "name": "dev",
    "uid": "8af74190-5caf-4618-84ee-aab217d0c3cf",
    "resourceVersion": "422603",
    "creationTimestamp": "2023-08-31T14:07:23Z",
    "labels": {
      "kubernetes.io/metadata.name": "dev"
    },
    "managedFields": [
      {
        "manager": "kubectl-create",
        "operation": "Update",
        "apiVersion": "v1",
        "time": "2023-08-31T14:07:23Z",
        "fieldsType": "FieldsV1",
        "fieldsV1": {
          "f:metadata": {
            "f:labels": {
              ".": {},
              "f:kubernetes.io/metadata.name": {}
            }
          }
        }
      }
    ]
  },
  "spec": {
    "finalizers": [
      "kubernetes"
    ]
  },
  "status": {
    "phase": "Active"
  }
}

kubectl get nodes
kubectl get pods --all-namespaces
kubectl delete pods ingress-nginx-admission-create-hsr8b -n ingress-nginx
kubectl apply -f recommended.yaml
kubectl delete -f recommended.yaml
kubectl get all
kubectl get all --all-namespaces
kubectl get ns
kubectl get po
kubectl get pods -o wide --all-namespaces
kubectl get deploy
kubectl get svc nginx-pvc -o yaml
kubectl logs -f nginx-deploy-pvc-568d695777-ldqjx
kubectl get svc nginx-pvc -o yaml
kubectl exec -it nginx-deploy-pvc-7c466b8668-cfpsg – bash
kubectl edit svc nginx-pvc
kubectl get pod,svc -n kubernetes-dashboard
kubectl describe pods kubernetes-dashboard-78f87ddfc-pdjq6 -n kubernetes-dashboard -o wide
kubeadm token list
kubeadm create token
kubectl get lease -n kube-node-lease -o yaml
kubectl explain pod.spec
kubectl describe nodes k8node1.meng.com