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  • Book Overview & Buying Puppet 5 Beginner???s Guide
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Puppet 5 Beginner???s Guide

Puppet 5 Beginner???s Guide - Third Edition

By : John Arundel
4.5 (13)
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Puppet 5 Beginner???s Guide

Puppet 5 Beginner???s Guide

4.5 (13)
By: John Arundel

Overview of this book

Puppet 5 Beginner’s Guide, Third Edition gets you up and running with the very latest features of Puppet 5, including Docker containers, Hiera data, and Amazon AWS cloud orchestration. Go from beginner to confident Puppet user with a series of clear, practical examples to help you manage every aspect of your server setup. Whether you’re a developer, a system administrator, or you are simply curious about Puppet, you’ll learn Puppet skills that you can put into practice right away. With practical steps giving you the key concepts you need, this book teaches you how to install packages and config files, create users, set up scheduled jobs, provision cloud instances, build containers, and so much more. Every example in this book deals with something real and practical that you’re likely to need in your work, and you’ll see the complete Puppet code that makes it happen, along with step-by-step instructions for what to type and what output you’ll see. All the examples are available in a GitHub repo for you to download and adapt for your own server setup.
Table of Contents (14 chapters)
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13
Index

Deployment with Docker

The principle of deploying software with containers is very simple: the software, plus everything it needs to run, is inside the container image, which is like a package file, but is executable directly by the container runtime.

To run the software, all you need to do is execute a command like the following (if you have Docker installed, try it!):

docker run bitfield/hello
Hello, world

Docker will download the specified image from your configured registry (this could be the public registry, called Docker Hub, or your own private Docker registry) and execute it. There are thousands of Docker images available for you to use, and many software companies are increasingly using Docker images as their primary way to deploy products.

Building Docker containers

But where do these Docker images come from? Docker images are like an archive or a package file, containing the file and directory layout of all the files inside the container, including executable binaries, shared libraries...

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