Kubernetes Cookbok

Quick command snippets to interact with Kubernetes.

• Cheatsheet

• kubectl get pods selector app=somesystem
• kubectl get jobs
• kubectl exec -it podname -- bash
• kubectl proxy -p 8123
• kubectl replace -f blah
• kubectl scale deployment appname replicas=3
• kubectl describe podname
• kubectl port-forward
• kubectl get configmaps
• kubectl get configmaps blah-config -o yml
• kubectl delete pods --selector app=card
• kubectl apply -f kube/deployment.yml
• kubectl apply -f kube/test/config/configmap.yml
• kubectl
• kube create secret docker-registry gcr-registry --dry-run -o yaml --docker-server=https://gcr.io --docker-username=_json_key [email protected] --docker-password=(jq -c . gcp-service-account.json ) > gcr-registry.yml
• kubeseal --format=yaml \ --cert=sealed-secrets-cert.pem \ < gcr-registry.yml \ > secret-gcr-registry.yml