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Kubernetes Essentials

This repository contains essential commands and operations for managing Kubernetes clusters using the kubectl command-line tool.

Commands

Managing Pods

  • kubectl get pods: Print out information about all of the running pods.
  • kubectl exec -it [pod_name] [cmd]: Execute the given command in a running pod.
  • kubectl logs [pod_name]: Print out logs from the given pod.
  • kubectl delete pod [pod_name]: Deletes the given pod.
  • kubectl apply -f [config file name]: Tells Kubernetes to process the configuration file.
  • kubectl describe pod [pod_name]: Print out some information about the running pod.

Managing Deployments

  • kubectl get deployments: List all the running deployments.
  • kubectl describe deployment [depl name]: Print out details about a specific deployment.
  • kubectl apply -f [config file name]: Create a deployment out of a configuration file.
  • kubectl delete deployment [depl_name]: Delete a deployment.
  • kubectl rollout restart deployment [depl_name]: Get a deployment to restart all pods. Will use the latest version of an image if the pod spec has a tag of 'latest'.

After Updating K8S specs of deployment's image version to the latest

  • kubectl rollout restart deployment [depl_name]: Updating the Image Used By a Deployment - Best Engineering Method.

Usage

You can use these commands to effectively manage and monitor your Kubernetes clusters. Make sure to replace [pod_name] and [depl_name] with the actual names of your pods and deployments.

License

This project is licensed under the MIT License.