B

back quote (`), 595

backslash (\), 305

backups

about, 36–37

DVD/CD, 37

editing configuration files after making, 293–294

gzip and bzip2 commands for, 37–38

hard drive (RAID), 37

kernel configuration, 397

making sendmail configuration file, 595, 596

tape, 37

tar command for, 38

using mkfs command after making, 17

Base System package group, 118–120

bash (Bourne Again Shell) shell

default Linux shell for exams, 290

default shell, 27

installation, 118

Basic Configuration screen (Kickstart Configurator), 256, 257

Basic tab (Samba Server Configuration utility), 537, 538

BIND (Berkeley Internet Name Domain), 561–577

about, 558

caching-only DNS name servers, 561, 563–565

configuration files for DNS servers, 561–563

configuring simple domains, 567–569

creating RNDC key, 569–570

defined, 801

forwarding-only name servers, 561, 565–566

lab questions and answers, 580, 582–584

localhost.zone file, 567

named daemon, 559

required packages for DNS servers, 559–560

reverse lookups with named.local file, 567, 568

reverse zone, 572–573, 574, 813

searching named.ca for root DNS servers on Internet, 566

self test and answers, 579–580, 581

serial number errors in DNS, 574

shortcomings of DNS, 573–574

slave name servers, 561, 565

starting named daemon, 573

two-minute drill, 578

types of DNS servers, 561

utilities for, 574–577

zone files for master DNS server, 570–572

BIND utilities, 574–577

overview, 574–575

Red Hat Domain Name Service configuration tool, 576

rndc, host, and dig commands, 575–576

BIOS (Basic Input/Output System)

basics of, 145

defined, 801

effect of multiple controllers on older, 105

need to know initialization sequence, 144–145

password-protecting menus, 735

starting boot loader, 146

troubleshooting USB ports or PCI card from menu, 5

working from BIOS menu, 145–146

books

helpful for exams, 2

reference guides to RPM system, 232

Boolean operations in SELinux Management Tool, 710–714

boot loaders. See also GRUB

booting into different runlevels, 733–735

configuring, 106–107

GRUB, 147–157

Kickstart Configurator options for, 257–258

LILO, 147

module errors in, 750–751

starting, 146

terminology for, 735

troubleshooting, 749–750

/boot directory, 801

/boot files on logical volumes, 423

/boot partition with stored kernels, 379

booting, 144–182. See also First Boot process; linux rescue environment

BIOS initialization sequence, 144–146

from boot floppy, 90

configuring boot loader, 106–107

configuring Samba to start on, 518

controlling services, 167–169

from first CD/DVD, 89

First process and /etc/inittab, 159–160

GRUB loader, 147–157

handling disk quotas during, 293

initial RAM disk for, 806

into different runlevels, 144, 164–167, 733–735

kernel initialization and First process, 157–158

lab questions and answers, 176–179, 181–182

likely errors configuring, 730–731

linux rescue environment for, 735–738

multiple controllers with older BIOS may affect, 105

options for exam, 88–89

runlevels and, 161–167

self test and answers, 175–176, 180–181

setting up boot USB using kickstart, 245–246

summarized, 172

system configuration files, 169–172

two-minute drill, 173–174

using installation boot CD or USB key, 90, 91–92

BOOTP protocol, 627, 801

Bourne Again Shell. See bash

browsers

accessing URLs with text or graphical, 50–51

Apache clients as Web, 446

configuring CUPS via Web-based interface, 349–350

bzip2 command, 37–38