☸️ Kubernetes Commands Reference - KodeKloud Labs

# Cluster info
kubectl cluster-info
kubectl version
kubectl config view

# Get resources
kubectl get nodes
kubectl get pods
kubectl get services
kubectl get all

# Describe resources
kubectl describe node NODE_NAME
kubectl describe pod POD_NAME

# Logs and events
kubectl logs POD_NAME
kubectl logs POD_NAME -c CONTAINER_NAME
kubectl get events

# Create pod
kubectl run nginx --image=nginx

# Delete pod
kubectl delete pod nginx

# YAML generation
kubectl run nginx --image=nginx --dry-run=client -o yaml > pod.yaml
kubectl create -f pod.yaml

# Exec into pod
kubectl exec -it POD_NAME -- /bin/sh

# Port-forward
kubectl port-forward POD_NAME 8080:80

# Create deployment
kubectl create deployment my-deploy --image=nginx

# Update deployment
kubectl set image deployment/my-deploy nginx=nginx:1.19

# Scale deployment
kubectl scale deployment my-deploy --replicas=3

# Rollout
kubectl rollout status deployment/my-deploy
kubectl rollout undo deployment/my-deploy

# Expose pod/deployment
kubectl expose pod nginx --port=80 --target-port=80 --type=NodePort
kubectl expose deployment my-deploy --port=80 --type=ClusterIP

# View services
kubectl get svc

# Describe service
kubectl describe svc my-deploy

# List namespaces
kubectl get ns

# Create namespace
kubectl create ns my-namespace

# Use namespace
kubectl config set-context --current --namespace=my-namespace

# Create ConfigMap
kubectl create configmap my-config --from-literal=key1=value1
kubectl create configmap app-config --from-file=config.txt

# View and describe
kubectl get configmaps
kubectl describe configmap my-config

# Create secret
kubectl create secret generic my-secret --from-literal=password=12345

# View and describe
kubectl get secrets
kubectl describe secret my-secret

# Example YAML with volume
apiVersion: v1
kind: Pod
metadata:
  name: volume-pod
spec:
  containers:
  - name: busybox
    image: busybox
    command: ["sleep", "3600"]
    volumeMounts:
    - mountPath: "/data"
      name: my-volume
  volumes:
  - name: my-volume
    emptyDir: {}

# Imperative command
kubectl create deployment nginx --image=nginx
kubectl expose deployment nginx --port=80 --type=NodePort

# YAML creation
kubectl run nginx --image=nginx --dry-run=client -o yaml > pod.yaml
kubectl create -f pod.yaml

# Labels and selectors
kubectl label pod nginx app=web
kubectl get pods --selector app=web

# Node selector in pod spec
spec:
  nodeSelector:
    disktype: ssd

✅ This complete Kubernetes reference includes essential commands and patterns used in KodeKloud labs. Practice them to become confident in real-world K8s operations!