kubectl/k8s Cheat Sheet

 

• Namespaces
  • List all namespaces: kubectl get namespace
  • Set a namespace: kubens <namespace-name>
  • See currently set namespace: kubens -c
• Pods
  • List all pods: kubectl get pods
  • List all pods in specific namespace: kubectl get pods -n <namespace>
  • Kill a pod: kubectl delete pod <pod-name>
  • Describe/get details of pod: kubectl describe pods <pod-name>
  • InitContainers
    • Get logs: First describe the pod and look for the name of the init container. Then run kubectl logs <pod-name> -c <init-container-name>
• Deployments
  • Get the manifest for a deployment: kubectl get deploy <deployment-name> -o yaml
  • Scaling a deployment: kubectl scale --replicas=<n> deployment/<deployment-name>
  • Gen env vars defined on a pod: kubectl exec <pod> -- env
• ConfigMaps
  • View data in a ConfigMap: kubectl describe configmaps <name>