Helmke Matthew - Ubuntu Unleashed 2017 Edition

EPUB is an open, industry-standard format for e-books. However, support for EPUB and its many features varies across reading devices and applications. Use your device or app settings to customize the presentation to your liking. Settings that you can customize often include font, font size, single or double column, landscape or portrait mode, and figures that you can click or tap to enlarge. For additional information about the settings and features on your reading device or app, visit the device manufacturers Web site.

Many titles include programming code or configuration examples. To optimize the presentation of these elements, view the e-book in single-column, landscape mode and adjust the font size to the smallest setting. In addition to presenting code and configurations in the reflowable text format, we have included images of the code that mimic the presentation found in the print book; therefore, where the reflowable format may compromise the presentation of the code listing, you will see a Click here to view code image link. Click the link to view the print-fidelity code image. To return to the previous page viewed, click the Back button on your device or app.

Matthew Helmke with Andrew Hudson and Paul Hudson

800 East 96th Street, Indianapolis, Indiana 46240 USA

Ubuntu Unleashed 2017 Edition

Copyright 2017 by Pearson Education, Inc.

All rights reserved. Printed in the United States of America. This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permissions, request forms and the appropriate contacts within the Pearson Education Global Rights & Permissions Department, please visit www.pearsoned.com/permissions/.

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals.

The author and publisher have taken care in the preparation of this book, but make no expressed or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein.

For information about buying this title in bulk quantities, or for special sales opportunities (which may include electronic versions; custom cover designs; and content particular to your business, training goals, marketing focus, or branding interests), please contact our corporate sales department at or (800) 382-3419.

For government sales inquiries, please contact .

For questions about sales outside the U.S., please contact .

Visit us on the Web: informit.com/aw

ISBN-13: 978-0-13-451118-4

ISBN-10: 0-13-451118-2

Library of Congress Cataloging-in-Publication Data: 2016951091

Printed in the United States of America

Text printed in the United States on recycled paper at RR Donnelley, Crawfordsville, Indiana.

First Printing October 2016

Editor-in-Chief
Mark Taub

Acquisitions Editor
Debra Williams Cauley

Managing Editor
Sandra Schroeder

Project Editor
Lori Lyons

Production Manager
Dhayanidhi

Proofreader
Sasirekha

Technical Editor
Jos Antonio Rey

Editorial Assistant
Kim Boedigheimer

Media Producer
Dan Scherf

Cover Designer
Chuti Prasertsith

Compositor
codeMantra

Matthew Helmke is an active member of the Ubuntu community. He served from 2006 to 2011 on the Ubuntu Forum Council, providing leadership and oversight of the Ubuntu Forums (.

Andrew Hudson is a freelance journalist who specializes in writing about Linux. He has significant experience in Red Hat- and Debian-based Linux distributions and deployments and can often be found sitting at his keyboard tweaking various settings and config files just for the hell of it. He lives in Wiltshire, which is a county of England, along with his wife, Bernice, and their son, John. Andrew does not like Emacs. He can be reached at .

Paul Hudson is a recognized expert in open source technologies. He is a professional developer and full-time journalist for Future Publishing. His articles have appeared in MacFormat, PC Answers, PC Format, PC Plus, and Linux Format. Paul is passionate about free software in all its forms and uses a mix of Linux and BSD to power his desktops and servers. Paul likes Emacs. Paul can be contacted through http://hudzilla.org.

To Saralyn, Sedona, and Philipthe most amazing kids a guy could hope for; to Sandra and Evan, who are wonderful and welcome additions to our lives; to my grandfather for always believing in me and for teaching me to believe in myself; and to my friends in the Ubuntu, developer, sysadmin, cloud computing, and DevOps communities.

Matthew wishes to thank the many people who helped with past editions, with helpful comments and ideas, with technical edits, and with both formal and informal advice. I owe a huge debt of gratitude to the Ubuntu community, Canonical, and Mark Shuttleworth for inviting me to participate in in the community, including my role in the forums, a turn on the EMEA membership board, and two Ubuntu Developer Summits, back when we had to travel to be a part of them. Thanks to the Ubuntu All Stars for the chance to jam with you on guitar. Thank you to the entire Ubuntu community for your labor of love to create this wonderful operating system. Finally, thanks to my colleagues at Pearson, especially Debra Williams Cauley, for the trust placed in me and the opportunity to collaborate on projects like this one.

As the reader of this book, you are our most important critic and commentator. We value your opinion and want to know what were doing right, what we could do better, what areas youd like to see us publish in, and any other words of wisdom youre willing to pass our way.

We welcome your comments. You can email or write to let us know what you did or didnt like about this bookas well as what we can do to make our books better.

Please note that we cannot help you with technical problems related to the topic of this book.

When you write, please be sure to include this books title and author as well as your name and email address. We will carefully review your comments and share them with the author and editors who worked on the book.

Email:

Mail: Sams Publishing
ATTN: Reader Feedback
800 East 96th Street
Indianapolis, IN 46240 USA

Visit our website and register this book at informit.com/register for convenient access to any updates, downloads, or errata that might be available for this book.