Oracle® Linux Administrator's Guide for Release 6 E41138-08 May 2014 Oracle® Linux: Administrator's Guide for Release 6 Copyright © 2013, 2014, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Intel and Intel Xeon are trademarks or registered trademarks of Intel Corporation. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. AMD, Opteron, the AMD logo, and the AMD Opteron logo are trademarks or registered trademarks of Advanced Micro Devices. UNIX is a registered trademark of The Open Group. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. 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Abstract This manual provides an introduction to administering various features of Oracle Linux systems. Document generated on: 2014-05-28 (revision: 1920) Table of Contents Preface .............................................................................................................................................. xi I System Configuration ....................................................................................................................... 1 1 The Unbreakable Linux Network .............................................................................................. 7 1.1 About the Unbreakable Linux Network ........................................................................... 7 1.2 About ULN Channels .................................................................................................... 7 1.3 About Software Errata .................................................................................................. 9 1.4 Registering as a ULN User ........................................................................................... 9 1.5 Registering an Oracle Linux 6 System ......................................................................... 10 1.6 Registering an Oracle Linux 4 or Oracle Linux 5 System ............................................... 10 1.7 Configuring an Oracle Linux 5 System to Use yum with ULN ......................................... 10 1.8 Disabling Package Updates ......................................................................................... 11 1.9 Subscribing Your System to ULN Channels ................................................................. 11 1.10 Browsing and Downloading Errata Packages .............................................................. 12 1.11 Downloading Available Errata for a System ................................................................ 12 1.12 Updating System Details ........................................................................................... 13 1.13 Deleting a System .................................................................................................... 13 1.14 About CSI Administration .......................................................................................... 13 1.14.1 Becoming a CSI Administrator ........................................................................ 14 1.14.2 Listing Active CSIs and Transferring Their Registered Servers .......................... 15 1.14.3 Listing Expired CSIs and Transferring Their Registered Servers ........................ 16 1.14.4 Removing a CSI Administrator ........................................................................ 17 1.15 Switching from RHN to ULN ...................................................................................... 17 1.16 For More Information About ULN ............................................................................... 18 2 Yum ...................................................................................................................................... 19 2.1 About Yum ................................................................................................................. 19 2.2 Yum Configuration ...................................................................................................... 19 2.2.1 Configuring Use of a Proxy Server .................................................................... 20 2.2.2 Yum Repository Configuration .......................................................................... 21 2.3 Downloading the Oracle Public Yum Repository Files ................................................... 21 2.4 Using Yum from the Command Line ............................................................................ 22 2.5 Yum Groups ............................................................................................................... 23 2.6 Installing and Using the Yum Security Plugin ............................................................... 23 2.7 Switching CentOS or Scientific Linux Systems to Use the Oracle Public Yum Server ....... 26 2.8 Creating and Using a Local ULN Mirror ....................................................................... 26 2.8.1 Prerequisites for the Local ULN Mirror .............................................................. 26 2.8.2 Setting up a Local ULN Mirror .......................................................................... 27 2.8.3 ULN Mirror Configuration .................................................................................. 29 2.8.4 Updating the Repositories on a Local ULN Mirror .............................................. 30 2.8.5 Configuring yum on a Local ULN Mirror ............................................................ 30 2.8.6 Configuring Oracle Linux Yum Clients of a Local ULN Mirror .............................. 31 2.9 Creating a Local Yum Repository Using an ISO Image ................................................. 32 2.10 Setting up a Local Yum Server Using an ISO Image ................................................... 33 2.11 For More Information About Yum ............................................................................... 34 3 Ksplice Uptrack ..................................................................................................................... 37 3.1 About Ksplice Uptrack ................................................................................................. 37 3.1.1 Supported Kernels ........................................................................................... 37 3.2 Registering to Use Ksplice Uptrack .............................................................................. 38 3.3 Installing Ksplice Uptrack ............................................................................................ 38 3.4 Configuring Ksplice Uptrack ........................................................................................ 39 3.5 Managing Ksplice Updates .......................................................................................... 40 3.6 Patching and Updating Your System ........................................................................... 41 iii Oracle® Linux