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CKA Self-Study Mod 5

CKA Self-Study Mod 5

In this module of the RX-M online CKA prep course, we will be covering the troubleshooting topic identified by the CNCF CKA Exam Curriculum. If you are not already familiar with the curriculum, take a moment to familiarize yourself, as you will be required to know each of the topics in order to pass the test.

Troubleshoot Application Failure

Applications running under Kubernetes run in containers within pods. There are several ways to troubleshoot application failures: Reading the application container’s logs using kubectl logs Viewing

Troubleshoot Control Plane Failure

Control plane components like the kube-apiserver, kube-scheduler, etcd, and kube-controllermanager all run in static pods in a kubeadm-bootstrapped cluster. Control plane components manifests are found

Troubleshoot Networking

Every pod running in a Kubernetes cluster must have its own IP address. Pods receive their unique IPs from the cluster Container Network Interface (CNI)

Practice Drill

Run the following command. This command will start a pod that will not run: Retrieve the events associated with this pod (listed in any order)