You're reading from Certified Kubernetes Administrator (CKA) Exam Guide Validate your knowledge of Kubernetes and implement it in a real-life production environment

Product type Paperback

Published in Nov 2022

Publisher Packt

ISBN-13 9781803238265

Length 322 pages

Edition 1st Edition

Tools

Kubernetes

Concepts

DevOps

Author (1):

Mélony Qin

View More author details

Table of Contents (17) Chapters

Preface

1. Part 1: Cluster Architecture, Installation, and Configuration

2. Chapter 1: Kubernetes Overview FREE CHAPTER

3. Chapter 2: Installing and Configuring Kubernetes Clusters

4. Chapter 3: Maintaining Kubernetes Clusters

5. Part 2: Managing Kubernetes

6. Chapter 4: Application Scheduling and Lifecycle Management

7. Chapter 5: Demystifying Kubernetes Storage

8. Chapter 6: Securing Kubernetes

9. Chapter 7: Demystifying Kubernetes Networking

10. Part 3: Troubleshooting

11. Chapter 8: Monitoring and Logging Kubernetes Clusters and Applications

12. Chapter 9: Troubleshooting Cluster Components and Applications

13. Chapter 10: Troubleshooting Security and Networking

14. Index

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15. Other Books You May Enjoy

Appendix - Mock CKA scenario-based practice test resolutions

Summary

This chapter covers one of the most common jobs of a Kubernetes administrator – that is, maintaining and upgrading Kubernetes clusters. Similar to cluster installation, this is also one of the most time-consuming tasks in the CKA exam. Again, practice makes perfect. The HA topology for a Kubernetes cluster in Chapter 2, Installing and Configuring Kubernetes Cluster, helps you understand what you are going to upgrade and how to do it. If needed, go back to Chapter 1, Kubernetes Overview, and make sure that you have a good understanding of the Kubernetes components. This way, you will know how and what’s needed to upgrade the control plane and worker nodes.

Compared to cluster upgrades, backup and restore etcd is one of the best-in-value questions in the CKA exam as it is simple to answer with a high-value score. Thoroughly practicing what we’ve learned in this chapter will help you overcome any challenges in the exam.

In the next chapter, we’...