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# kubectl Reference
Introduction to kubectl commands.
## Common Issues
Overview of common issues.
### CrashLoopBackOff
A pod is in CrashLoopBackOff when it repeatedly crashes.
**Symptoms:**
- Pod status shows CrashLoopBackOff
- Container restarts frequently
**Resolution:**
1. Check logs: `kubectl logs <pod>`
2. Check events: `kubectl describe pod <pod>`
### ImagePullBackOff
The container image cannot be pulled.
**Resolution:**
1. Verify image name and tag
2. Check registry credentials
## Best Practices
### Resource Limits
Always set resource limits on containers.
### Health Checks
Configure liveness and readiness probes.
#### Liveness Probes
Check if container is running.
#### Readiness Probes
Check if container is ready to serve traffic.