Kubernetes Cheatsheet
A quick reference for common Kubernetes (kubectl) commands.
Cluster Management
| Command | Description |
|---|---|
kubectl config view |
Display the current context. |
kubectl config use-context [context-name] |
Switch to a different context. |
kubectl cluster-info |
Display information about the cluster. |
kubectl get nodes |
List all nodes in the cluster. |
Debugging
| Command | Description |
|---|---|
kubectl exec -it [pod-name] -- /bin/sh |
Execute a shell inside a running pod. |
kubectl port-forward [pod-name] [local-port]:[pod-port] |
Forward a local port to a port on a pod. |
kubectl top pod |
Display CPU and memory usage for pods. |
kubectl get events --sort-by='.lastTimestamp' |
List recent events in the cluster. |
Deleting Resources
| Command | Description |
|---|---|
kubectl delete -f [file.yaml] |
Delete resources defined in a YAML file. |
kubectl delete pod [pod-name] |
Delete a pod. |
kubectl delete deployment [deployment-name] |
Delete a deployment. |
kubectl delete service [service-name] |
Delete a service. |
Deploying Applications
| Command | Description |
|---|---|
kubectl apply -f [file.yaml] |
Create or update resources from a YAML file. |
kubectl create deployment [name] --image=[image] |
Create a new deployment. |
kubectl expose deployment [name] --port=[port] --type=LoadBalancer |
Expose a deployment as a new service. |
kubectl scale deployment [name] --replicas=[count] |
Scale the number of pods in a deployment. |
Viewing Resources
| Command | Description |
|---|---|
kubectl get pods |
List all pods in the current namespace. |
kubectl get pods -n [namespace] |
List all pods in a specific namespace. |
kubectl get all |
List all resources in the current namespace. |
kubectl describe pod [pod-name] |
Show detailed information about a pod. |
kubectl logs [pod-name] |
Print the logs for a pod. |
kubectl logs -f [pod-name] |
Stream the logs for a pod. |