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Building and Configuring a Kubernetes Cluster with kubeadm

This lab will allow you to practice the process of building a new Kubernetes cluster. You will be given a set of Linux servers, and you will have the opportunity to turn these servers into a functioning Kubernetes cluster. This will help you build the skills necessary to create your own Kubernetes clusters in the real world.

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Jul 24, 2020

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Table of Contents

  1. Challenge

    Install the Container Runtime (Docker)

    Log in to all three servers. Get Docker installed and running. For the purposes of this lab, you can use Docker version 19.03.12.

  2. Challenge

    Install the Kubernetes Packages (`kubeadm`, `kubelet`, and `kubectl`)

    On all three nodes, install kubeadm, kubelet, and kubectl. Don't forget to disable Swap, as doing so is a requirement for kubelet to work properly.

  3. Challenge

    Initialize the Cluster

    Initialize the Kubernetes cluster on the control plane node. Be sure to:

    • Supply the provided kubeadm configuration file located at ~/kubeadm-config.yml.
    • Instruct kubeadm to ignore any preflight errors that may arise.
  4. Challenge

    Install the Calico Network Add-On

    Install the Calico network add-on in your cluster.

  5. Challenge

    Join the Worker Nodes to the Cluster

    Join the two worker node servers to the cluster. Use kubectl get nodes on the control plane node to verify all three nodes are successfully registered and in the Ready state.

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

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.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.

Start learning by doing today

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