8 Troubleshooting Kubernetes
This chapter covers
- Monitoring and viewing logs
- Determining high CPU or RAM usage
- Resolving common cluster problems
- Analyzing network traffic to identify communication concerns
As this is the biggest topic (30%) on the CKA exam, we’re going to cover troubleshooting in detail in this chapter. Troubleshooting means fixing problems with applications, control plane components, worker nodes, and the underlying network. When running applications in Kubernetes, problems will arise, such as concerns with Pods, Services, and Deployments.
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