[Solved] If you run kubectl exec -it mypod -- /bin/sh on a pod with multiple containers, what will happen? — Ans: kubectl will return an error asking to specify the container name | Kubernetes

Kubernetes - kubectl Essential Commands

If you run kubectl exec -it mypod -- /bin/sh on a pod with multiple containers, what will happen?

Akubectl will execute the command in the first container by default

Bkubectl will return an error asking to specify the container name

Ckubectl will open shells in all containers simultaneously

Dkubectl will ignore the pod and run the command on the node

Step-by-Step Solution

Solution:

Step 1: Understand container selection
When a pod has multiple containers, kubectl exec requires specifying which container to target using -c.
Step 2: Behavior without container specified
If container is not specified, kubectl returns an error prompting to choose one.
Final Answer:
kubectl will return an error asking to specify the container name -> Option B
Quick Check:
Multiple containers require -c flag [OK]

Quick Trick: Specify container with -c when pod has multiple containers [OK]

Common Mistakes:

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More Kubernetes Quizzes

If you run kubectl exec -it mypod -- /bin/sh on a pod with multiple containers, what will happen?