RHCSA_RHCE_certification_study_guide_7e.pdf

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RHCSA/RHCE
Red Hat Linux Certification
®
®
®
Study Guide, Seventh Edition
(Exams EX200 & EX300)
Michael Jang
Alessandro Orsaria
This study/training guide and/or material is not sponsored by, endorsed by, or
affiliated with Red Hat, Inc. in any manner. Red Hat®, Red Hat® Enterprise Linux®,
RHCE™, RHCSA™, and the Red Hat logo and Red Hat “Shadowman” logo are
trademarks or registered trademarks of Red Hat, Inc. in the United States and certain
other countries. All other trademarks are trademarks of their respective owners.
This publication and DVD-ROM may be used in assisting students to prepare for a Red
Hat RHCSA or RHCE certification exam. Neither Red Hat nor McGraw-Hill warrants that
use of this publication and DVD-ROM will ensure passing any exam.
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RHCSA/RHCE® Red Hat® Linux® Certification Study Guide, Seventh Edition (Exams EX
200
& EX
300
)
Copyright © 2016 by McGraw-Hill Education. All rights reserved. Printed in the United States of America.
Except as permitted under the Copyright Act of 1976, no part of this publication may be reproduced or
distributed in any form or by any means, or stored in a database or retrieval system, without the prior written
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computer system, but they may not be reproduced for publication.
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Education makes no claim of ownership by the mention of products that contain these marks.
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ISBN: Book p/n 978-0-07-184193-1 and DVD p/n 978-0-07-184195-5
of set 978-0-07-184196-2
MHID: Book p/n 0-07-184193-8 and DVD p/n 0-07-184195-4
of set 0-07-184196-2
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not responsible for any errors or omissions or the results obtained from the use of such information.
For the young widows and widowers:
may they find the courage to face their fears,
to navigate their way through the pain,
and to find hope for a brighter future.
ABOUT THE AUTHORS
Michael Jang
(RHCE, LPIC-2, UCP, LCP, Linux+, MCP) is currently a Senior Technical
Writer for ForgeRock. His experience with computers goes back to the days of jumbled
punch cards. He has written other books on Linux certification, including
LPIC-1 in
Depth, Mike Meyers’ Linux+ Certification Passport,
and
Sair GNU/Linux Installation and
Configuration Exam Cram.
His other Linux books include
Linux Annoyances for Geeks,
Linux Patch Management,
and
Mastering Fedora Core Linux 5.
He has also written or
contributed to books on Microsoft operating systems, including
MCSE Guide to Microsoft
Windows 98
and
Mastering Windows XP Professional, Second Edition.
Alessandro Orsaria
(RHCE, RHCA, CCIE x 2) is an IT professional with more than 15
years’ experience in the industry. He has authored articles for technical Linux magazines
and is currently employed by a global equity hedge fund as an IT Infrastructure Architect.
Alessandro is Red Hat RHCE and RHCA certified and has achieved two Cisco CCIE
certifications in Routing & Switching and Datacenter. He holds an MBA from Imperial
College of London and a degree in physics.
About the Technical Editor
Alex Davies
works for a proprietary trading firm, where he is responsible for Linux systems
and manages a team of Linux engineers across Chicago, New York, London, and Singapore.
Alex is the author of
MySQL Clustering
and
MySQL High Availability Cookbook.
Earlier
in his career he was both RHCE and RHCA certified and received the RHCE of the Year
award in 2009 from Red Hat. Alex also holds a degree in economics from the University of
Durham.
CONTENTS AT A GLANCE
1
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13
14
15
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17
A
B
C
Prepare for Red Hat Hands-on Certifications
Virtual Machines and Automated Installations
Fundamental Command-Line Skills
RHCSA-Level Security Options
The Boot Process
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55
115
175
241
285
343
395
443
479
537
579
631
679
733
773
807
843
847
851
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Linux Filesystem Administration ...................... .. . . . .. . . .. . . .. . . . .. . . .. . . .
Package Management
User Administration
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....... . .. . . .. . . . .. . . .. . . . .. . . .. . .
RHCSA-Level System Administration Tasks
A Security Primer
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.. . . .. . . . .. . . .. . . . .. . . .. . . . ..
System Services and SELinux
RHCE Administrative Tasks
Network Services: DNS, SMTP, iSCSI, and NTP
The Apache Web Server
The Samba File Server
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................................... .. . . .. . . . .. . . .. . . . .. . . .. . . .
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NFS Secured with Kerberos
The MariaDB Server
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Prepare a System for the Sample Exams
Sample Exam 1: RHCSA
Sample Exam 2: RHCSA
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