k8s kubernetes commands

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Pods, Deployments and Services

kubectl run nginx --image=nginx --port=80 kubectl run nginx --image=nginx --port=80 --expose=true kubectl run nginx --image=nginx --labels="app=web,tier=frontend" kubectl create deployment nginx --image=nginx kubectl create deployment nginx --image=nginx --replicas=3 kubectl create deployment nginx --image=nginx --dry-run=client -o yaml > nginx-deploy.yaml kubectl expose pod redis --port=6379 --name=redis-service kubectl expose pod redis --port=6379 --name=redis-service --selector="app=redis" kubectl expose deployment nginx --port=80 --type=ClusterIP kubectl expose pod nginx --port=80 --type=NodePort kubectl get pods -l tier=frontend kubectl get deploy -o wide kubectl get endpoints redis-service kubectl label pod nginx app=web

Rolling Updates

kubectl set image deployment/myapp-deployment nginx=nginx:1.25 kubectl rollout status deployment/myapp-deployment kubectl rollout history deployment/myapp-deployment kubectl rollout history deployment/myapp-deployment --revision=3 kubectl rollout undo deployment/myapp-deployment kubectl rollout pause deployment/myapp-deployment kubectl rollout resume deployment/myapp-deployment

ConfigMaps and Secrets

kubectl create configmap app-config \ --from-literal=APP_COLOR=blue \ --from-literal=APP_MODE=prod kubectl create configmap app-config --from-file=application.properties kubectl create configmap app-config --from-env-file=app.env kubectl create secret generic app-secret --from-literal=DB_HOST=mysql kubectl create secret generic app-secret --from-file=application.properties

kubectl auth can-i create deployment kubectl auth can-i delete nodes kubectl auth can-i create deployments --as dev-user kubectl auth can-i create pods -n dev kubectl auth can-i get pods --as system:serviceaccount:dev:my-sa

kubectl get clusterrole --no-headers | wc -l # Ingress kubectl create ingress ingress-test --rule="payment.xyz.com/pay*=pay-service:80" --annotation nginx.ingress.kubernetes.io/rewrite-target=/ # ApiGroups kubectl api-resources

K8s Cheat sheet

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Pods, Deployments and Services

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ConfigMaps and Secrets

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Command Palette

Comments

More from this blog

Pods, Deployments and Services

Scaling and Editing

Rolling Updates

ConfigMaps and Secrets

Authorization & RBAC

Others