# Cluster information
kubectl cluster-info
kubectl version
kubectl get nodes
kubectl describe node node-name

# Context management
kubectl config view
kubectl config current-context
kubectl config use-context context-name
kubectl config set-context --current --namespace=production

# Get API resources
kubectl api-resources

# List pods
kubectl get pods
kubectl get pods -A
kubectl get pods --all-namespaces
kubectl get pods -n namespace-name
kubectl get pods -o wide

# Pod details
kubectl describe pod pod-name
kubectl get pod pod-name -o yaml
kubectl get pod pod-name -o json

# Logs
kubectl logs pod-name
kubectl logs pod-name -f
kubectl logs pod-name --tail=100
kubectl logs pod-name -c container-name

# Execute commands
kubectl exec -it pod-name -- /bin/bash
kubectl exec pod-name -- command

# Port forward
kubectl port-forward pod-name 3000:3000

# Copy files
kubectl cp pod-name:/path/to/file ./local-file
kubectl cp ./local-file pod-name:/path/to/file

# List deployments
kubectl get deployments
kubectl get deploy

# Create deployment
kubectl create deployment myapp --image=myapp:1.0
kubectl apply -f deployment.yaml

# Update deployment
kubectl set image deployment/myapp myapp=myapp:2.0
kubectl set env deployment/myapp ENV_VAR=value
kubectl patch deployment myapp -p '{"spec":{"replicas":5}}'

# Scale deployment
kubectl scale deployment myapp --replicas=5

# Rollout
kubectl rollout status deployment/myapp
kubectl rollout history deployment/myapp
kubectl rollout undo deployment/myapp
kubectl rollout undo deployment/myapp --to-revision=2

# Delete deployment
kubectl delete deployment myapp

# List services
kubectl get svc
kubectl get services

# Create service
kubectl expose deployment myapp --type=LoadBalancer --port=80 --target-port=3000

# Service details
kubectl describe service myapp
kubectl get svc -o yaml

# Port forward
kubectl port-forward service/myapp 8080:80

# Delete service
kubectl delete service myapp

# ConfigMaps
kubectl create configmap app-config --from-literal=key=value
kubectl create configmap app-config --from-file=config.yaml
kubectl get configmap
kubectl describe configmap app-config
kubectl delete configmap app-config

# Secrets
kubectl create secret generic db-creds --from-literal=password=secret
kubectl create secret docker-registry regcred --docker-server=registry.com --docker-username=user
kubectl get secrets
kubectl describe secret db-creds
kubectl get secret db-creds -o yaml

# List namespaces
kubectl get ns

# Create namespace
kubectl create namespace production

# Delete namespace
kubectl delete namespace production

# Set default namespace
kubectl config set-context --current --namespace=production

# All namespaces
kubectl get pods --all-namespaces
kubectl get pods -A

# View resource usage
kubectl top nodes
kubectl top pods

# Resource limits
kubectl set resources deployment myapp --limits cpu=500m,memory=512Mi
kubectl set resources deployment myapp --requests cpu=250m,memory=256Mi

# Get resource quotas
kubectl get resourcequota
kubectl describe resourcequota quota-name

# Label resources
kubectl label pod myapp app=frontend
kubectl label deployment myapp environment=production
kubectl label nodes node-name label-key=label-value

# View labels
kubectl get pods --show-labels
kubectl get pods -L app,environment

# Select by labels
kubectl get pods -l app=frontend
kubectl get pods -l app=frontend,environment=production
kubectl get pods -l "tier in (frontend,backend)"

# Remove labels
kubectl label pod myapp app-

# Pod status and events
kubectl describe pod myapp
kubectl get pods -o wide

# Events
kubectl get events
kubectl get events --sort-by=.metadata.creationTimestamp

# Logs
kubectl logs pod-name
kubectl logs deployment/myapp --all-containers
kubectl logs --previous pod-name

# Check node status
kubectl get nodes
kubectl describe node node-name

# Debugging pod
kubectl debug pod-name -it --image=ubuntu

# Interactive debugging
kubectl run -it debug --image=ubuntu -- /bin/bash

# Apply manifests
kubectl apply -f manifest.yaml
kubectl apply -f directory/
kubectl apply -k ./

# Dry run
kubectl apply -f manifest.yaml --dry-run=client
kubectl apply -f manifest.yaml --dry-run=server

# Get resources in YAML
kubectl get deployment myapp -o yaml
kubectl get pod myapp -o yaml > pod-export.yaml

# Edit resources
kubectl edit deployment myapp
kubectl edit configmap app-config

# Delete resources
kubectl delete -f manifest.yaml
kubectl delete deployment myapp
kubectl delete pod myapp

# Custom columns
kubectl get pods -o custom-columns=NAME:.metadata.name,STATUS:.status.phase

# JSONPath queries
kubectl get pod -o jsonpath='{.items[0].metadata.name}'
kubectl get pods -o jsonpath='{.items[*].metadata.name}'

# Watch resources
kubectl get pods --watch
kubectl get deployments --watch

# Sort output
kubectl get pods --sort-by=.metadata.creationTimestamp
kubectl get pods --sort-by=.status.phase

# Restart pods
kubectl rollout restart deployment/myapp

# Force delete pod
kubectl delete pod myapp --grace-period=0 --force

# Port forward multiple
kubectl port-forward svc/myapp 8080:80 9090:443

# SSH into cluster node (via pod)
kubectl run -it --image=ubuntu shell -- /bin/bash

# Network diagnostics
kubectl run -it --image=nicolaka/netshoot debug -- /bin/bash

# Available formats
kubectl get pods -o json
kubectl get pods -o yaml
kubectl get pods -o wide
kubectl get pods -o name
kubectl get pods -o custom-columns=...
kubectl get pods -o jsonpath=...

# Add to ~/.bashrc or ~/.zshrc
alias k=kubectl
alias kg='kubectl get'
alias kd='kubectl describe'
alias kl='kubectl logs'
alias ke='kubectl exec -it'
alias ka='kubectl apply -f'
alias kdel='kubectl delete'