debug:kubernetes
Kubernetes Debugging Guide
A systematic approach to diagnosing and resolving Kubernetes issues. Always start with the basics: check events and logs first.
Common Error Patterns
CrashLoopBackOff
What it means: Container repeatedly crashes and fails to start. Kubernetes restarts it with exponential backoff (10s, 20s, 40s... up to 5 minutes).
Common causes:
- Insufficient memory/CPU resources
- Missing dependencies in container image
- Misconfigured liveness/readiness probes
- Application code errors or misconfigurations
- Missing environment variables or secrets
Debug steps:
# Check pod events and status
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