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Linux 249–251

device drivers continued

loadable 229, 253–256

loopback 242

overview 224

pseudo-devices 242

Solaris 248–249

table of locations 248

device files 67, 72

block/character 67, 247

creating 252

for disks 129, 140, 144, 149, 154, 252–253

for printers 714

for serial ports 67, 103–104

for tape drives 67, 177

for terminals 67

major/minor device numbers 67, 247–248

naming conventions 252–253

security 659

Solaris 228

table by vendor 253

Devices file 314, 321

df 134

dfstab file 494

dhclient 332–333

dhclient.conf file 332

dhclient.leases file 333

DHCP 287–291, 459

FreeBSD 332–333

HP-UX 318–319

Red Hat 324–325

Solaris 310–311

/etc/dhcp.* files 28, 310

dhcp.leases file 290–291

dhcpagent 310–311

dhcpcd 324–325

dhcpd 290–291, 324, 835

dhcpd.conf file 290

dhcpdb2conf 319

dhcpinfo 310

dhcptools 319

Dialers file 314, 321

dial-ins and dial-outs see modems

dial-up networking see PPP

diary files 555, 810

diff 668

Diffie-Hellman key exchange 464, 656

dig 403, 461, 475–478, 809

Digital Millennium Copyright Act 787, 789

directed broadcast 296, 313, 320, 326, 333

directories 66

copying 184

permission bits 69

disable 726

disaster planning 169, 784–787

disklabel 20, 153–155

diskless clients 834–835

disklist file 190, 195–196

disks

as backup media 174

bad blocks 129

boot loaders 130, 143

checking 136–138

cylinder groups 133

cylinders 128

device files 129, 140, 144, 149, 154, 252–253

floppy 170, 175

formatting 129–130

FreeBSD 153–156

HP-UX 143–148

I/O analysis 763–765

installing 128–156

labels 130–131

load balancing 756, 764

logical volume managers 131–132, 143–146

overview 126–136

partitions 130–131

performance 757–765

quotas 89, 490

RAID 132, 756

Red Hat 148–153

removable 171, 175

Solaris 139–143

SuperDisks 170, 175

testing 130

tracks and sectors 128

Zip 170–171, 175

disks 140

disktab file 155

distfile files 516

DIX Ethernet II 267

DLT tapes 172–173, 175

dmesg 139, 144

DMI standard 639

dmispd 643

DMTF task force 639

DNS

see also name servers

A records 441, 456

A6 records 450–451

see also BIND

adding new machines 392–394

DNS continued

client configuration 304–305, 410–414

CNAME records 445–447

DNAME records 451–453

DNSSEC 396–397, 399, 464–468

domain name rules 400–401

domain tree 397–402, 407–409, 455–457

dynamic updates 288, 459–460

EDNS0 (extended DNS) 410

forward/reverse mappings 397, 400, 441–443, 445–447

glue records 455–457

history 394–395

in-addr.arpa domain 442

IPv6 support 450–453

KEY records 464–468

lame delegations 478–479

LOC records 447–448

localhost configuration 455, 480–481

lookup example 408

MX records 443–444, 545, 566, 582–583

name service switch 304–305, 523–524

negative caching 409

NS records 440–441, 455

NXT records 466–467

overview 395–410

PTR records 442–443

Realtime Blackhole List 590, 601–602

recent developments 396–397

referrals 406

resolver 304–305, 407, 411–414

resource records 436–453

security 417–418, 422, 460–469

SIG records 467

SOA records 438–440

split DNS 428–429

SRV records 448–449

stub zones 425, 456–457

TCP vs. UDP 410

trailing dot in names 399, 437

TSIG/TKEY 462–464

TXT records 449

WKS records 449

zone serial numbers 439, 457

zone transfers 405, 410, 419–420, 458–459

dnskeygen 465

DNSSEC 396–397, 399, 464–468

dnssec-keygen 463, 465

dnssec-makekeyset 466

dnssigner 466

documentation 5–8, 389

diary files 810

for users 811

local 9, 89, 809–810

man pages 5–8

DOMAIN macro 576

domainname 527, 529

domains

DNS 397–402

NIS 522

NIS+ 531

squatting (DNS) 398

dot files 87–88

DoubleClick.net 790

dropped packets 628

/dev/drum file 44, 659

drvconfig 140

DSL 383–384

DSR (Data Set Ready) 102

DTR (Data Terminal Ready) 102

dual booting 20–22

dummynet 334

dump 138–179, 195

Solaris 178–179

use by operators 129

dumpdates file