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Troubleshooting

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Practice Drill

Run the following command. This command will start a pod that will not run: kubectl run --restart Never --image redis:0.2 redispod Retrieve the...

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...

Troubleshoot Worker Node Failure

A node that runs pods in a Kubernetes cluster is represented by a kubelet. Each kubelet requires a container runtime (like Docker) to run...

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...

Troubleshoot Application Failure

Applications running under Kubernetes run in containers within pods. There are several ways to troubleshoot application failures: Reading the...