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Docker Certified Associate (DCA): Exam Guide

You're reading from Docker Certified Associate (DCA): Exam Guide Enhance and validate your Docker skills by gaining Docker certification

Product type Paperback

Published in Sep 2020

Publisher Packt

ISBN-13 9781839211898

Length 612 pages

Edition 1st Edition

Tools

Docker

Concepts

IT Certification

Author (1):

Francisco Javier Ramírez Urea

View More author details

Table of Contents (22) Chapters

Preface

1. Section 1 - Key Container Concepts

2. Modern Infrastructures and Applications with Docker FREE CHAPTER

3. Building Docker Images

4. Running Docker Containers

5. Container Persistency and Networking

6. Deploying Multi-Container Applications

7. Introduction to Docker Content Trust

8. Section 2 - Container Orchestration

9. Introduction to Orchestration

10. Orchestration Using Docker Swarm

11. Orchestration Using Kubernetes

12. Section 3 - Docker Enterprise

13. Introduction to the Docker Enterprise Platform

14. Universal Control Plane

15. Publishing Applications in Docker Enterprise

16. Implementing an Enterprise-Grade Registry with DTR

17. Section 4 - Preparing for the Docker Certified Associate Exam

18. Summarizing Important Concepts

19. Mock Exam Questions and Final Notes

20. Assessments

21. Other Books You May Enjoy

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Backup strategies

In this section, we will learn how to backup and restore the Docker Enterprise UCP platform.

As UCP runs on top of Docker Swarm, this is the first component to review when preparing a good backup strategy.

We should run periodic backups of Docker Swarm. These backups will allow us to recover cluster configuration and workloads.

Docker Swarm's backup

We introduced how to execute a Docker Swarm backup in Chapter 8, Orchestration Using Docker Swarm. In that chapter, we described the content we should take care of. Let's learn about the steps to follow to implement a production-ready backup of Docker Swarm for the Docker Enterprise platform.

Make sure you have applied the auto-lock feature to improve secure access to Docker Swarm data as we will need it. The lock key will not be stored with a backup. You should store it in a safe place.

We will execute the backup steps on all non-leader manager nodes. This will ensure that any of the managers except the leader...

The rest of the chapter is locked

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Authors (1)

Francisco Javier Ramírez Urea

Francisco Javier Ramírez Urea

Francisco Javier Ramírez Urea has been working in the IT industry since 1999 after receiving his bachelor's degree in physical sciences. He worked as a systems administrator for years before specializing in the monitoring of networking devices, operating systems, and applications. In 2015, he started working with software container technologies as an application architecture consultant and has developed his career and evolved with these technologies ever since. He became a Docker Captain in 2018 alongside being a Docker and Kubernetes teacher with various certifications (CKA, CKS, Docker DCA and MTA, and RedHat RHCE/RHCSA). He currently works at the European Union Satellite Centre as a SecDevOps officer.

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