Debugging Pods and Services
Utilize kubectl commands and other tools to effectively debug misbehaving Pods and connectivity issues.
Why Debugging Matters
When your applications misbehave in Kubernetes, debugging is your superpower! It helps you understand what went wrong and how to fix it.
Common signs of trouble include:
- Pods stuck in 'Pending' or 'CrashLoopBackOff' state.
- Services not reachable.
- Applications not responding as expected.
We'll learn essential tools to diagnose these issues.
Your kubectl Debugging Kit
Kubernetes provides powerful command-line tools, primarily kubectl, to help you inspect and troubleshoot your cluster.
Key commands we'll explore today include:
kubectl describe: Get detailed resource information.kubectl logs: View container output.kubectl exec: Run commands inside containers.kubectl port-forward: Access services locally.
Mastering these will make you a Kubernetes debugging pro!
All lessons in this course
- Diagnosing Common Issues
- Debugging Pods and Services
- Production Best Practices & Tips
- Resource Quotas and Limit Ranges