Kubectl exec

kubectl exec
kubectl exec --stdin --tty
kubectl exec -it
kubectl exec --help

kubectl exec -it myalpine -- /bin/sh
kubectl exec myalpine -- df -kh

kubectl exec -it ubuntu -- bash
Error from server (NotFound): pods "ubuntu" not found

kubectl exec --tty -i redis-client --namespace default -- bash

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 -n your_namespace exec your-pod-name1 -- bash

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

Error: unable to upgrade connection: container not found

Error from server (NotFound): pods "your-pod-name" not found

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

kubectl exec -it your-container-name -- bash
Defaulted container "yourapp-rabbitmq" out of: yourapp-rabbitmq, yourapp-rabbitmq-metrics

Related

• docker exec
• podman exec
• crictl exec
• kubectl logs
• kubectl get pods
• kubectl attach
• kubectl debug
• sh, ash, bash
• kubectl run: kubectl run ubuntu --image=ubuntu
• Amazon ECS Exec Checker

Activities

• Get a shell to a running container: kubectl exec -it

See also

• kubectl exec, kubectl exec -it
• K8s troubleshooting: kubectl logs, kubectl top, kubectl get events -A, kubectl describe pod, Liveness, Readiness, Kubernetes events, Pulling image, OOMKilled, ProbeWarning, Reason, FailedScheduling, errImagePull, ImagePullBackOff, Kubelet conditions: MemoryPressure, DiskPressure, KubeletHasSufficientPID, KubeletReady, kubectl [ debug | attach | exec ] kubectl cluster-info dump, SimKube, KWOK