kubectl

Links

• overview of kubectl
• kubectl Cheat Sheet
• kubectl Commands
• list of resource types

Display Resources

• all: kubectl get all -A -o wide
• custom resource definitions: kubectl get crd
• ingressroutes (custom resource definition from Traefik): kubectl get ingressroutes -A
• component statuses: kubectl get cs
• list Longhorn replica: kubectl get replica -A

Create Resources

• expose deployment: kubectl expose deploy <deployment_name> --port <port_number> - more

Delete Resources

• delete all from namespace: kubectl delete all --all -n <namespace>

Special Commands

• execute bash on pod: kubectl exec --stdin --tty <pod_name> -- /bin/bash
• stop / start a pod: kubectl scale --replicas=<0/1> <deployment_name>
• schedule Pods on the control-plane: kubectl taint nodes --all node-role.kubernetes.io/master-
• write yaml for kubectl command to file: kubectl <command> --dry-run=client -o yaml > <file>.yaml
• convert config file to configmap: kubectl create configmap <config_map_name> --from-file=<config_file_name> --dry-run=client -o yaml > <filename>.yaml