Linux Troubleshooting Bible [Electronic resources] نسخه متنی

Index

D

daemon

access control, 275

Apache, 442

cupsd, 360, 381

firewall, 269

for non-Red Hat distributions, 277

for Red Hat distributions, 276

FTP, 456

host access control, 272

httpd, 443

named, 315, 316

TCP wrappers, 275

daemon level config file service, 273

data security using TOH backup, 106

databases backing up options

backup agent, 115

freeze, copy, and back up, 115

shutting off services, 115, 117

stop, copy, and back up, 115

Debain reportbug package, 572

debconf scripts, 557

Debian 3.0 Woody system, installing, 560

Debian archives, 549

Debian basics

alternative init systems, 564

Debian archives, 549

finding packages, 550

Graphical administration systems, 564

package conventions, 564

packages managing aspects, 551-558

runlevels managing

Debian CD-ROMs

alternative installation CDs, 548

rescue CDs, 547

Debian commands, 562-563

Debian debugging tools

Ddd, 569

gdb, 569

Itrace, 569

strace, 569

Debian family tree

Debian/Sid, 546

Debian/stable, 545

Debian/testing, 546

Debian/unstable, 547

Sarge, 546

Debian file system tools

e2fsprogs, 566

parted, 566

reiserfsprogs, 566

util-linux, 566

xfsdump, 566

xfsprogs, 566

Debian GNU/Linux troubleshooting, 545

Debian installing

hardware detection and setup, 548

packages, picking of, 548

post-installation tasks, 549

run package installation programs, 548

Debian Linux distribution, 243

Debian network tools

dnsutils, 567

iputils-ping, 567

iputils-tracepath, 567

monit, 567

mtr-tiny, 567

netcat, 567

netcat6, 567

openssl, 567

ssh, 567

tcptraceroute, 567

telnet-ssl, 567

Debian package documentation, 569

Debian packages managing

configuration file, handling of, 553

debconf, use of, 557

dpkg commands, 558

installation upgrading, 560

packages, installing, 551

packages, removing, 553

Debian packages troubleshooting

debugging tools, 569

file system tools, 566

moving from Fedora to Red Hat, 565

network tools, 567

system integrity tools, 568

Debian system Integrity tools

aide, 568

amanda-client, 568

amanda-server, 568

checksecurity, 568

chkrootkit, 568

Debsums, 568

duplicity, 568

rsync, 568

tar, 568

debsums program for intrusion detection, 243

dedicated backup interface

SCSI bus, 111

SCSI card, 111

deleted file, recovering, 216

demilitarized zone. See DMZ

dependencies

RPM packages, 197

software packages, 197

desktops loads, locking

enterprise desktop needs, identifying, 73

overview, 73

Device section, 179. See also screen section

df command, 213

DHCP configuration, 528

DHCP/BOOTP boot server, 66

DHCP/BOOTP protocols, 66

dial-up modem configuring, 349

dial-up modem, 347

differential backups, 102, 103. See also incremental backups

dig command, 322, 331, 334

Digital Linear Tape (DLT), 109

direct memory access. See DMA

Direct Rendering Infrastructure (DRI), 186

director backing up, 113

Directory directive, 435, 440

directory structure, BIND9, 316

DirectoryIndex directive, 434, 439

disk partitioning

for Lniux installation, 21

problems, 33

disk performance troubleshooting references, 237

disk read-ahead caches, 227, 228

disk tuning options, 231

disk write-back caches, 227

disk-to-disk server migration, 133

Display Settings window, 172, 173

DLT (Digital Linear Tape), 109

DMA, hard disk transfer modes of

multiword DMA (MDMA), 229

Programmed I/O (PIO), 229

ultra DMA (UDMA), 229

DNS (Domain Name Service)

caching name services, 324

configuring tips, 328

domain names, 326

history and theory, 311

hosting, 314

IP addresses, 311, 313, 326

name service tools, 321

records, 311, 315

recursive requests, 324

registering, 314

resources, 339

security aspects, 331

troubleshooting tools, 338

working, 312

DNS caching

defined, 314

IP address information, 314

TTL (Time to Live) value, 314

DNS hosting, 314

DNS records, 311

DNS servers

master and slave, 313

master server, 315

slave BIND9, 328

whois server, 337

DNS structure

namespace, 312

resolver, 312

TLD (top-level domain) servers, 313

top-level domains, 312

DNS troubleshooting

/etc/named.conf files, 316, 329

BIND9 directory, 316

comment methods, 317

directory setting, 317

issues, 334

localhost zone file, 320

master server, configuring, 315

overview, 311, 315

slave server, configuring, 328

TTL, 320

zone file troubleshooting, automated DNS, 338

zone file, 318

DNS zone file troubleshooting, automated, 338

document root directory of Apache, 431

Domain Name Service. See DNS

domain names, registering, 314

dpkg commands

dpkg -I, 559

dpkg -l, 558

dpkg -L, 559

dpkg-r, 558

dpkg-S, 560

dpkg-reconfigure command, 557

DRI (Direct Rendering Infrastructure), 186

dual-home network firewall iptables, 296

dual-homed firewall. See also single-homed firewall

network firewalls, 293

routing firewall, 294

use of, 271

dual-key encryption, 464

dump command

as backup package, 125

file restoring aspects, 130

for level 0

backup, 125

local dump session, usage for, 125

using remotely, 129

using runlevel 4, 125

using script, 126

using TOH backup plan, 125

dump using

locally, 125

remotely, 129

dump/restore command, 130

dump/restore programs for backups, 119

dump/restore version 0.4b34, 120

DVD+/-RW for backups, 106, 108

dynamic content operations, 449

dynamic IP configuration, 511

dynamic port, 266