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Debugging Common Issues in a Kubernetes Application

CKAD

Overview

Debugging Kubernetes applications requires understanding various CLI tools for effective troubleshooting. This guide covers the essential commands and techniques.

Key Documentation

Additional details can be found in Kubernetes documentation on Troubleshooting Applications and Application Introspection and Debugging.

Essential CLI Tools for Debugging

Checks the status of all Pods in a Namespace.
  kubectl get pods
Provides detailed information about Kubernetes objects.
  kubectl describe <resource> <resource-name>
Retrieves container logs for diagnosing issues.
  kubectl logs <pod-name>

Additional Tips

If initial investigations do not reveal the problem, consider checking cluster-level logs for more comprehensive insights.

Conclusion

Familiarity with these Kubernetes CLI tools is crucial for efficient debugging and maintaining applications. Regular practice will enhance your troubleshooting capabilities.

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