Kubernetes Skill

Kubernetes Management

Quick Reference

# Context
kubectl config current-context
kubectl config use-context <name>

# Resources
kubectl get pods -n <namespace>
kubectl get deployments
kubectl get services

# Logs
kubectl logs <pod> -f
kubectl logs <pod> -c <container>

# Debug
kubectl describe pod <name>
kubectl exec -it <pod> -- /bin/sh
kubectl port-forward <pod> 8080:80

Common Workflows

Check Pod Status

kubectl get pods -n production
kubectl describe pod <name> -n production

View Logs

kubectl logs <pod> -f --tail=100
kubectl logs <pod> --previous  # crashed container

Scale Deployment

kubectl scale deployment <name> --replicas=3
kubectl rollout status deployment <name>

Port Forward

kubectl port-forward svc/<service> 8080:80
kubectl port-forward pod/<pod> 5432:5432

Apply Manifest

kubectl apply -f manifest.yaml
kubectl apply -k ./kustomize/

Rollback

kubectl rollout undo deployment <name>
kubectl rollout history deployment <name>

Debugging Commands

Namespace Operations

kubectl get namespaces
kubectl create namespace <name>
kubectl config set-context --current --namespace=<name>

See references/kubectl-cheatsheet.md for full command reference.