hands-on lab

Upgrade a Kubernetes Cluster With Kubeadm

Difficulty: Intermediate
Duration: Up to 1 hour
Students: 247
Rating: 3/5
Get guided in a real environmentPractice with a step-by-step scenario in a real, provisioned environment.
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Description

You will perform several cluster management tasks including upgrading Kubernetes Cluster including both control plane and worker nodes in this Lab. You will also learn how to perform tests to verify that everything works as you expect. Even if you intend to use fully-managed Kubernetes clusters, this lab provides you with a deeper understanding of Kubernetes clusters, and helps you decide on the cluster configuration that is best for your requirements.

This lab is valuable to anyone working with Kubernetes, and has been prepared with the topics described in the Certified Kubernetes Administrator (CKA) Exam Curriculum. Completion of the lab will help you get hands-on experience, which is essential for passing the CKA exam.

Lab Objectives

Upon completion of this lab, you will be able to:

  • Perform Kubernetes cluster upgrades
  • Test Kubernetes clusters

Lab Prerequisites

You should be familiar with:

  • Working with Kubernetes to deploy applications
  • Working at the command line in Linux

The following labs can be used to fulfill the prerequisites for this lab: 

Updates

July 13th, 2024 - Updated cluster to Kubernetes 1.30
January 23rd, 2024 - Added instructions to ensure the control plane node has the required annotations before upgrading

Environment before

Environment after

Covered topics

Lab steps

Connecting to the Kubernetes Cluster
Upgrading Kubernetes Clusters with kubeadm