Kubectl exec

https://kubernetes.io/docs/tasks/debug/debug-application/get-shell-running-container/

• kubectl exec -it my-redis-pod -- /bin/bash (Get a shell to a running container (https://kubernetes.io/docs/tasks/debug-application-cluster/get-shell-running-container/))

• kubectl exec -it my-redis-pod -c my-redis-container -- /bin/bash

kubectl exec -it -c your-elasticsearch-master-3 bash
error: you must specify at least one command for the container

kubectl exec my-redis-pod -c my-redis-container /sbin/killall5
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
command terminated with exit code 2

kubectl exec my-redis-pod -c my-redis-container /sbin/killall
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
OCI runtime exec failed: exec failed: container_linux.go:367: starting container process caused: exec: "/sbin/killall": stat 
/sbin/killall: no such file or directory: unknown
command terminated with exit code 126

kubectl exec envar-demo -- printenv

Related commands

• docker exec
• podman exec
• kubectl logs
• kubectl get pods

Activities

• Get a shell to a running container: kubectl exec

See also

• kubectl exec, kubectl exec -it
• kubectl: [ cp | config | create | delete | edit | explain | apply | exec | get | set | drain | uncordon | rolling-update | rollout | logs | run | auth | label | annotate | version | top | diff | debug | replace | describe | port-forward | proxy | scale | rollout | api-resources | expose deployment | expose | patch | attach | get endpoints | ~/.kube/config | kubectl logs --help | kubectl --help, kubectl-convert, kubectl autoscale, kubectl.kubernetes.io