H

hard disks

adding, 444–447

backups to, 556–557

df command, 450–451

du command, 451

find command, 451–452

hardware and, 32

RAID disks, 447–449

system space, checking, 449

hard mounting, NFS file systems, 758

hardware, 34

Linux system administration, 429

RHEL compatibility, 1043

support, 9

TV cards, 343

tvtime, 344–346

Video4Linux, 344

wireless LANs, 648–651

.hcom files, Sox utility, 334

Hewlett-Packard digital cameras as storage device, 361

hidden files, netatalk and, 1000–1001

HMAC (Hash Message Authenticaiton Codes), IPsec and, 706

/home directory

NFS file sharing, 760

User Manager, 475

host name

command line completion, 160

Internet, 681–684

hosting options, domain name reservation, 964

hosting services, 958

hosts

/etc/exports file, NFS sharing, 751

NFS sharing, 749

hosts allow option, Samba, 771

hosts deny option, Samba, 771

HPC (High-Performance Clusters), 1046

hpfs file system, 438

htdig.conf file, Apache Web server, 871

HTML (Hypertext Markup Language), 367

e-mail, 385

HTTP (Hypertext Transfer Protocol), 368

URLs and, 368

HTTP window, Server Settings, 418

httpd package, Apache installation and, 833

httpd.conf file (Apache Web server)

access, 848–850

access control, 852

actions, 864

aliasing relocated content, 858

bindings and, 842

browser responses, 867

canonical name, 847–848

character sets, 863

e-mail address, 847

encoding, 862–863

errors, 865

global environment, 836

host name lookups, 853

HTTP content directories, 848

HTTP logging, 854–857

indexing, 859

main server configuration, 847

MIME types, 864

MIME-type defaults, 853

module-specific configuration files, 846

PID file storage, 837

proxy services, 867–869

redirecting requests , 859

selecting, 842–846

server name, 847

server processes, 839

server root directory, 837

signatures, 857

subcomponents, 837

timeouts, 838–839

user directories, 850

users, 846

virtual hosting, 869

hubs, LANs, 639

hybrid file systems, 993