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Oracle Linux 7 Advanced Administration Student Guide - D90758GC10_sg1
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  Learn more from Oracle University at  oracle com/education/ Oracle Linux 7: Advanced Administration Student Guide - Volume I D90758GC10 Edition 1.0 | September 2015 | D92963  Copyright © 2015, Oracle and/or its affiliates. All rights reserved. Disclaimer This document contains proprietary information and is protected by copyright and other intellectual property laws. You may copy and print this document solely for your own use in an Oracle training course. The document may not be modified or altered in any way. Except where your use constitutes fair use under copyright law, you may not use, share, download, upload, copy, print, display, perform, reproduce, publish, license, post, transmit, or distribute this document in whole or in part without the express authorization of Oracle. The information contained in this document is subject to change without notice. If you find any problems in the document, please report them in writing to: Oracle University, 500 Oracle Parkway, Redwood Shores, California 94065 USA. This document is not warranted to be error-free. Restricted Rights Notice If this documentation is delivered to the United States Government or anyone using the documentation on behalf of the United States Government, the following notice is applicable: U.S. GOVERNMENT RIGHTS The U.S. Government’s rights to use, modify, reproduce, release, perform, display, or disclose these training materials are restricted by the terms of the applicable Oracle license agreement and/or the applicable U.S. Government contract. Trademark Notice Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners.  Author Craig McBride Technical Contributors and Reviewers  Avi Miller Elena Zannoni Wim Coekaerts Harald Van Breederode Joel Goodman Manish Kapur Yasar Akthar  Antoinette O’Sullivan Gavin Bowe Steve Miller Herbert Van Den Bergh Todd Vierling John Haxby Editors Malavika Jinka  Aju Kumar Graphic   Editors Kavya Bellur Maheshwari Krishnamurthy Seema Bopaiah Publishers Veena Narasimhan Pavithran Adka Raghunath M    iii Contents 1 Introduction Course Goals 1-2 Schedule 1-4 Objectives 1-6 Virtualization with Oracle VM Server for x86 1-7 Oracle VM Server for x86 in the Classroom 1-8 Working with Classroom Virtual Machines 1-9 Classroom System Configuration 1-11 Local Yum Repository 1-13 Summary 1-14 Practice 1: Overview 1-15 2 Network Addressing and Name Services Objectives 2-2 Introduction to DHCP 2-3 Configuring a DHCP Server 2-4  Additional DHCP Server Declarations 2-6 Starting and Stopping a DHCP Server 2-8 Specifying Command-Line Arguments 2-9 Configuring a DHCP Client 2-11 Introduction to DNS 2-13 Nameserver Types 2-14 BIND 2-15 Starting a DNS Cache-Only Nameserver 2-16 Configuring an Authoritative Nameserver 2-17 Zone Files 2-18 The /etc/named.conf File 2-20 The /etc/named.rfc1912.zones File 2-22 Reverse Name Resolution 2-23 rndc Utility 2-25 host and dig Utilities 2-27 Quiz 2-28 Summary 2-29 Practice 2: Overview 2-30    iv 3 Authentication and Directory Services Objectives 3-2  Authentication Options 3-3  Authentication Configuration GUI 3-4 NIS Authentication 3-6 Lightweight Directory Access Protocol (LDAP) 3-7 OpenLDAP 3-9 OpenLDAP Server Directories 3-10 OpenLDAP Server Utilities 3-11 OpenLDAP Client Utilities 3-12 OpenLDAP Server Configuration 3-13 The ldapmodify Utility 3-14 The slappasswd Utility 3-15 Loading the Standard Schemas 3-16 Populating an OpenLDAP Directory 3-17 Using the migrationtools Utilities 3-18 Configuring LDAP Authentication 3-20 Configuring User Authentication from an OpenLDAP Client 3-22 Configuring Winbind Authentication 3-24 Winbind Security Model Options 3-26 Configuring Kerberos Authentication 3-28 IPA Identity Management and Authentication Services 3-29 Configuring Advanced Options 3-30 Configuring Password Options 3-32 System Security Services Daemon 3-34 Configuring SSSD Services 3-35 Configuring SSSD Domains 3-37 Quiz 3-39 Summary 3-40 Practice 3: Overview 3-41 4 Pluggable Authentication Modules (PAM) Objectives 4-2 Introduction to PAM 4-3 PAM Configuration Files 4-4 PAM Authentication Modules 4-5 PAM Module Types 4-6 PAM Control Flags 4-7 PAM: Example #1 4-9 PAM: Example #2 4-11
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