CKA - Kubectl Exam 20 Commands

Related Notes

• CKA Index
• CKA - Kubectl Command List
• CKA - Metrics Logging
• CKA - Personal Notes

1. kubectl config get-contexts
2. kubectl config use-context <context-name>
3. kubectl config set-context --current --namespace=<ns>
4. kubectl get nodes -o wide
5. kubectl get pods -A -o wide
6. kubectl describe pod <pod> -n <ns>
7. kubectl logs <pod> -n <ns>
8. kubectl logs <pod> -c <container> -n <ns>
9. kubectl exec -it <pod> -n <ns> -- sh
10. kubectl run <name> --image=<image> --restart=Never --dry-run=client -o yaml > pod.yaml
11. kubectl create deployment <name> --image=<image> --dry-run=client -o yaml > dep.yaml
12. kubectl expose deployment <dep> --port=80 --target-port=8080 --type=ClusterIP
13. kubectl apply -f <file>.yaml
14. kubectl edit deployment <dep> -n <ns>
15. kubectl scale deployment <dep> --replicas=<n>
16. kubectl set image deployment/<dep> <container>=<image>:<tag>
17. kubectl rollout status deployment/<dep>
18. kubectl rollout undo deployment/<dep>
19. kubectl get events -A --sort-by=.lastTimestamp
20. kubectl describe <resource> <name> -n <ns>

Mini Tips

• Always confirm context and namespace before changes.
• Generate YAML fast with --dry-run=client -o yaml.
• Debug order: get → describe → logs → events.