Use kubectl with a Kubernetes Cluster

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Use kubectl with a Kubernetes Cluster

In this hands-on lab, you are provided two servers with Kubernetes and containerd installed and configured. You will need to add a Node to the cluster using the information provided and then you will need to create a deployment file. This file will start three replicas of an Nginx image. You will use the relevant commands to scale up the number of replicas to five and then back down to one.

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Lab Info

Level

Beginner

Last updated

Sep 18, 2025

Duration

30m

Challenge

Log In to the Provided Server

Log in to the server as cloud_user with the provided password to ensure you can log in. When the file SERVER-READY is visible in the /home/cloud_user folder, then you can follow along with the objectives.
Challenge

Add Your Worker Node to the Cluster

Add your worker Node knode1 to the cluster using the information provided in the cluster-info text file, and check if it is ready for use.
Challenge

Create a Deployment File That Runs the Nginx Image

You will create a deployment file that runs the Nginx image; use port 8080 for its output.

Call the file deployment-nginx.yml, and start the three replicas.
Challenge

Use the kubectl Command and Run the Deployment

Use kubectl to create the deployment, and check if the three replicas have started.
Challenge

Scale the Number of Replicas

Scale the number of replicas using the relevant commands: firstly to five replicas then down to one replica.

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