Q: You run `kubectl exec -it <pod> -- bash` and get "container not found." What's wrong?
If a pod has multiple containers, you need to specify which one:
#Kubernetes #Troubleshooting & Debugging #L2 #Container Orchestration #K8s
🎙️ Candidate Opening & Architectural Context
""In our production Kubernetes clusters running microservices on EKS/AKS, this was a classic operational challenge. The interviewer is testing: Multi-container pod awareness.. I structure my answer around systematic triage first, root cause analysis second, and permanent remediation third.""
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🛠️ Production Runbook & Step-by-Step Resolution
1️⃣
Production Solution & Architecture
If a pod has multiple containers, you need to specify which one: Get container names with: kubectl get pod Also — some minimal images (Alpine, distroless) don't have bash. Try sh instead.
kubectl exec -it <pod> -c <container-name> -- bash
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: If a pod has multiple containers, you need to specify which one:."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: If a pod has multiple containers, you need to specify which one:
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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