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DevOps Bootcamp

You're reading from DevOps Bootcamp The fastest way to learn DevOps

Product type Paperback

Published in May 2017

Publisher Packt

ISBN-13 9781787285965

Length 312 pages

Edition 1st Edition

Tools

Chef

Concepts

DevOps

Author (1):

Mitesh Soni

View More author details

Table of Contents (16) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Dedication

Preface

1. DevOps Concepts and Assessment Framework FREE CHAPTER

2. Continuous Integration

3. Containers

4. Cloud Computing and Configuration Management

5. Continuous Delivery

6. Automated Testing (Functional and Load Testing)

7. Orchestration - End-to-End Automation

8. Security and Monitoring

Understanding the difference between virtual machines and containers

Before we start installation of docker and creation of a container, it will be useful to get an understanding of why containers are different and how they are different from virtual machines.

Let's understand the basic difference between virtual machines and containers.

Virtual machines

In a virtual machine (VM), we need to install an operating system with the appropriate device drivers; hence,the footprint or size of a virtual machine is huge. A normal VM with Tomcat and Java installed may take up to 10 GB of drive space:

There's an overhead of memory management and device drivers. A VM has all the components a normal physical machine has in terms of operation.

In a VM, the hypervisor abstracts resources. Its package includes not only the application, but also the necessary binaries and libraries, and an entire guest operating system, for example, CentOS 6.7 and Windows 2003.

Cloud service providers use a hypervisor to provide...

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Authors (1)

Mitesh Soni

Mitesh Soni

Mitesh Soni has 8 years of experience in managing software for GNU/Linux and other UNIX-like operating systems in production environment. He started working as a professional with DevOps from 2013 and has worked on several live projects related to DevOps. https://www.linkedin.com/in/alessiogarofalo

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