... again.For potential RedHat Enterprise Linux customers, this book demonstrates why Red Hat Enterprise Linux is an enterprise operating system. For existing RedHat Enterprise Linux subscribers, ... Installing with PXE. Performing an Upgrade. RedHat Network ProvisioningCHAPTER1Installing Red Hat Enterprise Linux The RedHat Enterprise Linux installation program isquite versatile. ... continue. RedHat Enterprise Linux 5 Administration Unleashed Copyright 2007 by Sams PublishingAll rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or...
... DefinedCHAPTER 1Duties of the System AdministratorCHAPTER 2Planning the NetworkCHAPTER 3Installing RedHat Linux CHAPTER 4 Red HatLinux File System CHAPTER 5 Red HatSystem Configuration FilesPartIb3632-X ... part introduces the system administrator’s duties. The chapters inthis part discuss planning a network,installing RedHat Linux, and workingwith the RedHatLinux file system andconfiguration ... operating systems. Now, RedHat has employed innovationsthat extend these duties even for the experienced Linux user. In this chapter, welook at those requirements.The LinuxSystem AdministratorLinux...
... ®PRESS®®®PRESS Red HatLinux Networkingand SystemAdministration Linux Solutions from the Experts at Red Hat SECURITY TOOLSINCLUDED ON CD-ROMCollings& WallYour Official Red Hat đ Linux đ ... 13Chapter 3 Installing RedHatLinux . . . . . . . . . . . . . . . . . . . . 27Chapter 4 RedHatLinux File System . . . . . . . . . . . . . . . . . . 71Chapter 5 RedHatSystem Configuration ... optimally. Chapter 16explains the RedHat Network, a service available from RedHat that you can use tokeep your system current. You can register your systems with RedHat and thenreceive notifications...
... covered is the RedHat Network, a subscription serviceavailable with RedHat Enterprise Linux that you can use to keep your system current. You can register your systems with RedHat and then ... mainframes. Linux in general, Fedora Core 4 and Red Hat Enterprise Linux in particular, are very powerful operating systemsthat can be used at the enterprise level as a full-fledged server. Linux ... Wewant to emphasize that this book is useful for users of Fedora Core, the opensource community–based Linux project supported by Red Hat, as well as usersof RedHat Enterprise Linux. Prefaceix02_599496...
... subscribe to the RedHatLinux security mailing list? (Find it atwww.redhat.com/mailing-lists /linux- security/index.html.)Have you established a procedure that makes sure that every security ... ch01.qxd 8/30/05 6:18 PM Page 4 Part Four SystemAdministration 595Chapter 26 Keeping Your System Updated with up2date and the RedHat Network 597Using the RedHat up2date Agent 598Configuring the ... whatever came on the com-puter, assuming that things came properly configured from the factory. Theuser or enterprise that decides on Linux has decided, also, to assume the con-trol that Linux...
... RedHat boot disk starts your PC and the RedHatLinux installationprogram. After you install RedHat Linux, you no longer need the Red Hat boot disk (except when you want to reinstall RedHat ... installation section.Creating the RedHat Boot DiskTo boot RedHatLinux for the first time and start the RedHatLinux installa-tion program, you need a RedHat boot disk. For this step, you ... reinstall RedHatLinux from theCD-ROMs).The RedHat boot disk contains an initial version of the RedHat Linux installation program that you use to start RedHat Enterprise Linux, preparethe...
... ordeselect that package group.TIP In an actual RedHatLinux installation, you install exactly those packagegroups that you need. Each package group requires specific packages to run.The RedHat installation ... PC. Atable then liststhe Linux partition and any other partitions that may contain another operating system. If your system has a Linux partition and a DOS partition (that actuallyhas Windows ... default operating system. Thedefault operating system is the one with a check mark in the Default columnin Figure 3-10. In this case, RedHatLinux is the default operating system. All of the...
... the system volume, use the utility here.■■ System Settings — This menu item contains Enterprise Linux system administration utilities and some GNOME configuration utilities as well.■■ System ... copy the ks.cfg file thatyou created to the /media/floppy directory.Creating a Bootable CD-ROMTo create a bootable CD-ROM, follow these instructions.1. Place the RedHatLinux Installation CD-ROM ... the folder that con-tains the system mount point for the CD-R drive. Double-clickingthis icon displays the contents of the CD-ROM disk that youinserted in the CD-R drive.■■ Filesystem — This...
... atthe file system structure are the file system commands, essential to proper file system management. In addition to the native Linux file system, Fedora Coreand RedHat Enterprise Linux support ... Configuration All RedHat systems, whether Fedora Core or Enterprise Linux, use a similarprocedure for starting up the operating system. As the system boots, the oper-ating system loads programs ... typical Fedora and Red Hat Enterprise Linux system. 142 Chapter 712_599496 ch07.qxd 8/30/05 6:45 PM Page 142 141The File System ExplainedIN THIS CHAPTER■■ Understanding the File System Structure■■...
... handy since it reduces system administration time. This is a fast file system, and now you can read and write to and from itwith your RedHatLinux machine. Nonstandard Linux File SystemsSupport ... written andconfigured by RedHat and RedHatadministration tools as well as files con-taining variable settings used by system startup scripts. /etc/sysconfigcontains both system and networking ... more important system configuration files on your RedHat system. Systemwide Shell Configuration ScriptsThese files determine the default environment settings of system shells andwhat functions...
... directory should be edited by hand. For more informa-tion on RedHat Network, see the RedHat Network Web site at https://rhn.redhat.com.Examining the Network Configuration FilesThis section ... /etc/sysconfigdirectoryFiles to Change When Setting Up a System or Moving the System Whenever you set up a system to work on a new network, either because you’vejust installed RedHat or you’re moving the machine from ... use it. APM is a monitoring daemon that works with power man-agement code within the Linux kernel. It can alert you to a low battery if youare using RedHatLinux on a laptop, among other things.Figure...
... printer attached to a different UNIX sys-tem that can be accessed over a TCP/IP network (for example, a printerattached to another RedHatLinuxsystem on your network). If youchoose this type ... Managing the X Window System 211file that was created during system installation. A description of the section ofthe file follows the file.# XFree86 4 configuration created by redhat-config-xfree86Section ... Window System 20915_599496 ch09.qxd 8/30/05 6:23 PM Page 209 205This chapter introduces you to the X Window system that is used to provide agraphical user interface (GUI) to the operating system. ...
... and RedHat Enterprise Linux systems, the /etc/exportsfile is the main NFS configuration file. It lists the file systems the serverexports, the systems permitted to mount the exported file systems, ... in RedHat Linux) .rw Exports the file system read-write, permitting operationsthat change the file system. secure Requires client requests to originate from a secure(privileged) port, that ... hide an exported file system that is asubdirectory of another exported file system. ro Exports the file system read-only, disabling any operationthat changes the file system. root_squash Maps...
... uniquename that refers to any group of systems that use the same NIS maps. NISdomains function as system management tools providing a convenient methodto organize groups of systems that need to ... well-run system, IPaddresses can change, whereas a hostname won’t. If DNS is properlyconfigured and maintained, the hostname will always point to the proper system regardless of what that system s ... NISNIS distributes information that needs to be shared throughout a Linux net-work to all machines that participate in the NIS domain. Originally developedby Sun Microsystems, NIS was first known...