[Solved] You run kubectl logs mypod -c unknowncontainer and receive an error. What is the most likely cause? — Ans: The specified container name does not exist in the pod | Kubernetes

Kubernetes - kubectl Essential Commands

You run kubectl logs mypod -c unknowncontainer and receive an error. What is the most likely cause?

AThe pod is not running

BThe specified container name does not exist in the pod

CYou need to add the --all-containers flag

DThe pod has no logs available yet

Step-by-Step Solution

Solution:

Step 1: Understand error cause
An error about container not found usually means the container name is invalid.
Step 2: Check container names
Verify container names in the pod; if unknowncontainer is not present, error occurs.
Final Answer:
The specified container name does not exist in the pod -> Option B
Quick Check:
Container name must match exactly [OK]

Quick Trick: Container name must exist in pod spec [OK]

Common Mistakes:

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You run kubectl logs mypod -c unknowncontainer and receive an error. What is the most likely cause?