You ran kubectl set image deployment/myapp myapp-container=myimage:v2 but the new pods crash. Which command helps you revert to the previous version?

medium📝 Troubleshoot Q14 of 15

Kubernetes - ReplicaSets and Deployments

You ran kubectl set image deployment/myapp myapp-container=myimage:v2 but the new pods crash. Which command helps you revert to the previous version?

Akubectl scale deployment/myapp --replicas=0

Bkubectl delete deployment myapp

Ckubectl rollout undo deployment/myapp

Dkubectl get pods --all-namespaces

Step-by-Step Solution

Solution:

Step 1: Identify command to revert deployment
'kubectl rollout undo' reverts deployment to previous version.
Step 2: Match command with options
kubectl rollout undo deployment/myapp correctly reverts the deployment; others do not revert updates.
Final Answer:
kubectl rollout undo deployment/myapp -> Option C
Quick Check:
Undo rollout = kubectl rollout undo [OK]

Quick Trick: Use rollout undo to revert bad updates quickly [OK]

Common Mistakes:

Deleting deployment instead of undoing
Scaling replicas to zero instead of reverting
Using get pods which only lists pods

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More Kubernetes Quizzes

You ran kubectl set image deployment/myapp myapp-container=myimage:v2 but the new pods crash. Which command helps you revert to the previous version?

Step 1: Identify command to revert deployment

Step 2: Match command with options

Final Answer:

Quick Check:

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