Exploring a Kubernetes Cluster with kubectl

30 minutes
  • 4 Learning Objectives

About this Hands-on Lab

kubectl is the primary interface most people use in order to work with Kubernetes. This lab will give you a chance to test and hone your kubectl skills with a real Kubernetes cluster. You will have the opportunity to collect information and make changes to the cluster, all using kubectl.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Get a List of Persistent Volumes Sorted by Capacity

Use kubectl to get a list of persistent volumes. Ensure this list is sorted by the persistent volume capacity. Store the sorted kubectl output in the file /home/cloud_user/pv_list.txt.

Run a Command Inside the `quark` Pod’s Container to Obtain a Key Value

Locate the quark pod within the beebox-mobile namespace. Run a command inside this pod’s container to obtain a key value. The key value is located inside the container’s file system in a file called /etc/key/key.txt. Save the key value to a file on the Kube control plane server at /home/cloud_user/key.txt.

Create a Deployment Using a Spec File

You will find a deployment spec file located at /home/cloud_user/deployment.yml. Using this file, create the deployment it describes in the cluster.

Delete the `beebox-auth` Service

There is a service in the beebox-mobile namespace called beebox-auth-svc. Delete this service.

Additional Resources

You are working for BeeBox, a company that provides regular shipments of bees to customers. The company is in the process of building a Kubernetes-based infrastructure for some of their software.

You have several work tickets that will need to be addressed by using kubectl to interact with the Kubernetes cluster. You will need to collect some information from the cluster and save that information in some files for later review. You will also need to make some changes to the cluster.

What are Hands-on Labs

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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