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