Book Image

Puppet 4.10 Beginner's Guide - Second Edition

By : John Arundel
Book Image

Puppet 4.10 Beginner's Guide - Second Edition

By: John Arundel

Overview of this book

Puppet 4.10 Beginner’s Guide, Second Edition, gets you up and running with the very latest features of Puppet 4.10, 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 (20 chapters)
Puppet 4.10 Beginner's Guide Second Edition
About the Author
About the Reviewer
Customer Feedback

Hello, Puppet – your first Puppet manifest

The first example program in any programming language, by tradition, prints hello, world. Although we can do that easily in Puppet, let's do something a little more ambitious, and have Puppet create a file on the server containing that text.

On your Vagrant box, run the following commands:

   cat /vagrant/examples/file_hello.pp
file { '/tmp/hello.txt':
  ensure  => file,
  content => "hello, world\n",


If you're not using the Vagrant box, copy the file examples/file_hello.pp from the puppet-beginners-guide Git repo to the server you're using to try out Puppet.

Now apply it with the following command:

   sudo puppet apply /vagrant/examples/file_hello.pp
Notice: Compiled catalog for localhost in environment production in 0.07 seconds
Notice: /Stage[main]/Main/File[/tmp/hello.txt]/ensure: defined content as '{md5}22c3683b094136c3398391ae71b20f04'
Notice: Applied catalog in 0.01 seconds


If you see the following error message:

sudo: puppet: command...