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A Pod shows the status CrashLoopBackOff. What is the best first step to diagnose the problem?

hard📝 Best Practice Q15 of 15
Kubernetes - Pods
A Pod shows the status CrashLoopBackOff. What is the best first step to diagnose the problem?
ADelete the Pod immediately to stop the crash
BRun <code>kubectl logs <pod-name></code> to check container logs
CScale the deployment to zero replicas
DRestart the Kubernetes cluster
Step-by-Step Solution
Solution:

  1. Step 1: Understand CrashLoopBackOff meaning

    This status means the container is repeatedly crashing and restarting.

  2. Step 2: Use logs to find the cause

    Checking container logs with kubectl logs helps identify the error causing crashes.

  3. Final Answer:

    Run kubectl logs <pod-name> to check container logs -> Option B

  4. Quick Check:

    Check logs first for CrashLoopBackOff = A [OK]
Quick Trick: Use logs to diagnose CrashLoopBackOff issues first [OK]
Common Mistakes:
  • Deleting Pod without diagnosing
  • Restarting cluster unnecessarily
  • Scaling deployment without root cause

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