Index

H

hard disk for backups, 106, 108

hard disk settings, changing

benchmarking changes, 224

Bonnie, use of, 226

timing reads, 224

timing writes, 225

use of hdparm command, 224

hard disk transfer modes

multiword DMA (MDMA), 229

Programmed I/O (PIO), 229

ultra DMA (UDMA), 229

hard disk troubleshooting

hard disk settings, changing, 224

hard disk, getting information about, 221

hdparm settings, 232

hard disk, getting information about

geometry, 222

IO_support, 221

keepsettings, 222

multcount, 221

readahead, 222

readonly, 222

unmaskirq, 221

using_dma, 222

hdparm

for changing hard disk settings, 224

settings, 232

hdparm command

-A option, 228

-d option, 230

for power management, 232, 235

-I option, 222

-i option, 222, 230

-t option, 224

-T option, 224

-Tt option, 224

-y option, 236

-Y option, 236

HIDS. See host intrusion detection systems

homes directory sharing, troubleshooting, 399

host access control files

/etc/hosts.allow, 273, 277, 281

/etc/hosts.deny, 273, 277, 280

host command, 322, 327

Host Controller (HCF) modem, 341

host intrusion detection systems (HIDS), 242

host intrusion detection systems (HIDS), installing, 261

host-based intrusion detection, 253

hosting, name-based, 435

HostnameLookups directive, 434

hosts.allow file, 278. See also host access control files

hosts.deny file, 278. See also host access control files

.htaccess file, 441, 442, 475

htpasswd command, 441

.htpasswd file, 441, 442, 475, 477

HTTP

installs, 85

protocols, 96

server for yum configuring, 45

httpd daemon, 443

httpd.conf file

/etc/httpd/conf.d, 429, 430

/etc/httpd/conf/httpd.conf, 435

for Apaches global environment configuring, 431

for main server configuring, 432

for virtual hosts, 435