Kubernetes Cheat Sheet

kubectl config kubectl cluster-info kubectl get componentstatus 

kubectl get --raw /apis/metrics.k8s.io/ 

kubectl -h kubectl create -h kubectl run -h kubectl explain deploy.spec 

kubectl create deploy [deploy_name] --image=nginx --dry-run -o yaml > deploy.yaml kubectl get po [pod_name] -o yaml --export > pod.yaml 

kubectl run [pod_name] --image=busybox --rm -it --restart=Never --sh 

kubectl create -f [name_of_file] kubectl apply -f [name_of_file] kubectl create deploy [deploy_name] --image=nginx 

kubectl create svc nodeport [svc_name] --tcp=8080:80 

kubectl create -f [name_of_file] kubectl apply -f [name_of_file] kubectl run [pod_name] --image=nginx --restart=Never kubectl run [pod_name] --generator=run-pod/v1 --image=nginx kubectl run [pod_name] --image=nginx --restart=Never 

kubectl annotate po [pod_name] [annotation] kubectl annotateno [node_name] 

kubectl edit sa [sa_name] kubectl delete sa [sa_name] 

kubectl edit ds [ds_name] -n kube-system kubectl delete ds [ds_name] 

kubectl edit svc [svc_name] kubectl delete svc [svc_name] 

kubectl edit deploy [deploy_name] kubectl delete deploy [deploy_name] kubectl expose deploy [deploy_name] --port=80 --type=NodePort kubectl scale deploy [deploy_name] --replicas=5 kubectl delete ns kubectl edit ns [ns_name] 

kubectl delete node [node_name] kubectl delete pod [pod_name] kubectl edit node [node_name] kubectl edit pod [pod_name] 

kubectl drain [node_name] # empty the node 

kubectl cordon [node_name] # node maintenance kubectl uncordon [node_name] # node is schedulable 

kubectl label [node_name] disktype=ssd kubectl label [pod_name] env=prod 

kubectl taint [node_name] [taint_name] 

kubectl get svc, po kubectl get deploy, no kubectl get all kubectl get all --all-namespaces 

Resource name: storageclasses, Abbreviation: sc

kubectl get sc kubectl get sc -o yaml 

Resource name: persistentvolumeclaims, abbreviation: pvc

kubectl get pvc kubectl describe pvc 

Resource name: persistentvolumes, abbreviation: pv

kubectl get pv kubectl describe pv 

Resource name: ingresses, abbreviation: ing

kubectl get ing kubectl get ing --all-namespaces 

Resource name: configmaps, abbreviation: cm

kubectl get cm kubectl get cm --all-namespaces kubectl get cm --all-namespaces -o yaml 

kubectl get secrets kubectl get secrets --all-namespaces kubectl get secrets -o yaml 

kubectl get roles --all-namespaces kubectl get roles --all-namespaces -o yaml 

kubectl get rs kubectl describe rs kubectl get rs -o wide kubectl get rs -o yaml 

Resource name: replicasets, abbreviation: rs

kubectl get sa kubectl get sa -o yaml kubectl get serviceaccounts default -o yaml >./sa.yaml kubectl replace serviceaccount default -f ./sa.yaml 

Resource name: serviceaccounts, abbreviation: ev

kubectl logs [pod_name] kubectl logs --since=1h [pod_name] kubectl logs --tail=20 [pod_name] kubectl logs -f -c [container_name] [pod_name] kubectl logs [pod_name] > pod.log 

kubectl get events kubectl get events -n kube-system kubectl get events -w 

Resource name: events, abbreviation: ev

kubectl get ds kubectl describe ds --all-namespaces kubectl describe ds [daemonset_name] -n [namespace_name] kubectl get ds [ds_name] -n [ns_name] -o yaml 

Resource name: daemonsets, abbreviation: ds

kubectl get svc kubectl describe svc kubectl get svc -o wide kubectl get svc -o yaml kubectl get svc --show-labels 

Resource name: services, abbreviation: svc

kubectl get deploy kubectl describe deploy kubectl get deploy -o wide kubectl get deploy -o yaml 

Resource name: deployments, abbreviation: deploy

kubectl get ns kubectl get ns -o yaml kubectl describe ns 

Resource name: namespaces, abbreviation: ns

kubectl get po # Display all container group information kubectl get po -o wide kubectl describe po kubectl get po --show-labels # View the labels of the container group kubectl get po -l app=nginx kubectl get po -o yaml kubectl get pod [pod_name] -o yaml --export kubectl get pod [pod_name] -o yaml --export > nameoffile.yaml # Export container group information to yaml file in yaml format kubectl get pods --field-selector status.phase=Running # Use the field selector to filter out container group information 

Resource name: pods, abbreviation: po

kubectl get no # Display all node information kubectl get no -o wide # Show more information about all nodes kubectl describe no # Display node details kubectl get no -o yaml # Display node details in yaml format kubectl get node --selector=[label_name] # Filter the node with the specified label kubectl get nodes -o jsonpath='{.items[\*].status.addresses[?(@.type="ExternalIP")].address}' # Output the field information defined by the jsonpath expression kubectl top node [node_name] # Display node (CPU/memory/storage) usage 

Resource name: nodes, abbreviation: no