H

hackers, 32

HAL (Hardware Abstraction Layer), 73–74

hard drives. See also partitions

adding SATA, 423–424

attaching external drive to parallel ports, 78

backups using, 37

BIOS limits on reported

cylinders, 105

commands and options to check, 755

compatible with filesystem, 12

configuring without partitions, 189, 193–194

disk space required for file servers, 103–104

installations from local, 87–88, 92

managing disk quotas, 290–301

naming partitions, 97–98

partitioning during installation, 99–101

planning partitions, 98

prerequisite skills for, 7

space needed for recompiling kernels, 392

swap space on partitions, 104–105, 815

writing system changes from linux rescue environment to, 740

hard limits, 296, 805

hardware. See also hard drives

ACPI and APM power management, 74

basic knowledge required, 4–7, 57

compatibility of, 70–74

CPU requirements, 75–76

First Boot process, 120–126

floppy drives with automounter, 207

hard drive options, 7

hotswap buses, 77–80

hotswappable RAID drives, 412

kernel device driver configuration options, 403–407

lab questions and answers, 134–139, 141–142

Linux documentation for, 72

logical volumes, 97

plug and play and Hardware

Abstraction Layer, 73

RAID partitions, 96

RAM partitions, 6–7, 76

resolving conflicts with, 73

self test and answers, 133–134, 140–141

summary of installation on, 129–130

two-minute drill, 131–132

X Window System support for, 653–654

Hardware Abstraction Layer (HAL), 73–74

hash symbol (#), 524

head command, 22

hidden files, 285, 286

home directories

about, 285–286, 805

sharing Samba directory with Windows workstation, 535–536

Web access to pages placed on, 462–463

/home partition, 415–417

host command, 575

hostnames

characters allowed in, 568

resolving problems for, 744

hosts. See also virtual hosts

allowing security by, 694–696

defining localhost addresses in sendmail, 595

host-based security for

Apache, 460

secure virtual, 813

securing with tcp_wrappers, 694–696

virtual, 466–468, 816

hotswap buses, 77–80

commands for device management, 79–80

IEEE 1394, 78

parallel ports and, 77–78

PC Cards, 78–79

serial ports and, 77

types of hotswappable systems, 79

USB support, 78

.htaccess files, 463–464

htpasswd command, 805

HTTP daemon, 444

HTTP installation servers

configuring, 83–85

time-efficient installations via, 94, 95

HTTP Web sites for exam, 458

httpd.conf file

about, 450

Apache file global environment directives, 452, 453

main server configuration directives, 452, 454–455

virtual host configuration directives, 452, 455