H

hackers/cracker comparison, 513-514

hard disks

adding, 389-392

backup to, 491-492

disk usage, checking

du command, 395

find command, 395-396

installation, 25, 44-45

booting from disk, 41-42

hardware and, 27

Konqueror, 114

RAID disks, 392-394

system space, checking, 394

df command, 394-395

hard mounting, NFS file systems, 706

hardware

boot, system initialization and, 454

configuration

Fedora system administration, 374

kudzu, 375-376

installation and, 27-28

kernel and, 956

older hardware, 957

USB devices, 957

LANs

setup, 586

topologies, 586-588

soundcards, 279-282

TV cards, 295

tvtime, 296-297

Video4Linux, 296

wireless LANs, 598-601

Hardware Browser window, administration and, 364

hardware support, 8

.hcom files, Sox utility, 293

Help, shell, 136

help command, shell, 136

--help command, shell, 136

helper applications, Navigator (Mozilla), 320-322

Heretic II game, Loki Software, 276

Hewlett-Packard digital cameras as storage device, 306

hidden directories

AppleDesktop, 939

AppleDouble, 939

Macintosh, netatalk and, 939-940

Network Trash Folder

netatalk and, 939

hidden files, Macintosh, netatalk and, 939-940

HISTCMD environment variable, 147

HISTFILE environment variable, 147

HISTFILESIZE environment variable, 147

history command, 138, 142-143

History sidebar, Konqueror, 116

HMAC (Hash Message Authenticaiton Codes), IPsec and, 655

/home directory, 155, 709

home directory, User Manager, 417

HOME environment variable, 147

home folder, 81-84

host access, remote X applications, 205

host name, 141, 906

host names

DNS, 902

Internet, 630-634

LANs, 592

lookups, httpd.conf user directories, 797

host.conf configuration file, /etc directory, 368

hosting options, domain name reservation, 905

hosting services, 900

host-level security, netatalk volumes, 938

hosts

/etc/exports file, NFS sharing, 699

NFS sharing, 697

hosts allow option, Samba, 719

hosts configuration file, /etc directory, 368

hosts deny option, Samba, 719

hosts.allow configuration file, /etc directory, 368

hosts.deny configuration file, /etc directory, 368

HOSTTYPE environment variable, 147

hpfs file system, 383

htdig.conf file, Apache Web server, 815

HTML (Hypertext Markup Language), 314

e-mail messages, 332

Konqueror (KDE), 113

Web page source code, 316-318

HTTP (Hypertext Transfer Protocol)

error response codes, 809

logging, httpd.conf user directories, 797-800

networking, Navigator (Mozilla), 321

URLs and, 315

HTTP proxy services, Squid and, 656

HTTP window, Server Settings, 364

HTTPd, Apache Web server and, 774

httpd file (Apache Web server), command-line arguments, 816

httpd package, Apache installation and, 777

httpd.conf file, 779

ErrorLog directive, 798

IndexOptions, 803

LogFormat directive, 799

LogLevel directive, 798

httpd.conf file (Apache Web server)

actions, 808

bindings and, 785

browser responses, 810-811

caching services, 811-813

character sets, 807

encoding, 806-807

errors, 808-810

global environment, 780

PID file storage, 781

server root directory, 781

subcomponents, 780

timeouts, 781-782

handlers, 808

headers, 808

indexes, disabling in root, 794

indexing, 803-806

language, 806-807

main server configuration, 789

access, 792-793

canonical name, 791

e-mail address, 790

groups, 789

HTTP content directories, 791

port number, 790

server name, 791

users, 789

MIME types, 808

modules

DSO (Dynamic Shared Object), 787

selecting, 786-789

module-specific configuration files, 786

proxy services, 811-813

server processes, 782

user directories, 794-795

access control, 796

aliasing relocated content, 801-802

host name lookups, 797

HTTP logging, 797-800

MIME-type defaults, 796-797

redirecting requests, 802

signatures, 801

UserDir directive, 795

virtual hosting, 813-814

httpd/conf.d/*.conf file (Apache Web server), 814-815

hubs, LANs, 589

hybrid file systems, 932. See also AppleTalk; netatalk