Index

S

Samba

accessing services with clients, 747–752

accessing SWAT, 736

activating SWAT, 735

applications, 726–727

configuring with redhat-config-samba, 731–732

creating a new share with SWAT, 737–738

documentation, 725–726

domain logons, 746–747

Global section, 739–742

Homes section, 742

password, 742

passwords, 729–731

Printers section, 742–743, 744–745

shares, 743–744

sharing Windows directories and printers, 750–752

smbclient, 747–749

smb.conf configuration file, 732–733

smbmount, 749–750

startup, 728–729

SWAT and smb.conf, 734–746

SWAT configuration pages, 736–737, 738

SWAT-generated smb.conf example, 738–739

testing the configuration, 746

variable substitutions, 745–746

Windows clients, 752

sar, 513

scanbus, 592

scheduling tasks, 495–499

scp, 284–285

search servers, 487–488

searching files, 162–163

secret keys, 688–689

Secure Shell. See SSH

Secure Sockets Layer (SSL), 433–435

security

applications, 61

associations, 307

combining encryption and signatures, 290, 291

configuration, 60–63

digital signatures, 290, 298–300

GNU Privacy Guard (GPG), 291–298

integrity checks, 290

network security applications, 328

NFS, 713–714

package security check, 58–59

policy, 307–308

public-key encryption, 289–290

Sendmail, 464–467

services, 60–62

Squid proxy server, 440–442

Tripwire, 301

Web server, 433–435

Sendmail, 446, 452–467

centralized mail server, 463

configuration, 456–460

configuring a workstation with direct ISP connection, 463–464

configuring mail servers and clients, 462

features, 457–458

files and directories, 454–455

mailer table, 464

masquerading, 460–462

security, 464–467

simple network configuration, 462–463

serial ports, 621

servers

standalone, 360

starting and stopping with startup scripts, 359

starting automatically, 359–360

starting directly, 359

xinetd, 360

server-side includes (SSIs), 430–431

service command, 503

service scripts, 365

example, 367–368

functions, 365–366

Init script functions, 366

installing, 368

System V init script tags, 366

tags, 366–367

set, 154

setkey, 306–309

Setup Agent, 33

shell scripts

arguments, 155–156

executing, 155

user-defined commands, 155–156

shells, 37, 135

aliases, 165–167

command line interface, 135–137

configuration, 165

configuration files, 179

controlling operations, 167–168

history, 137–141

operations, 146

prompts, 135

subshells, 169

symbols, 141–142, 144

system shell variables, 169–179

variables, 153–154

shutdown, 38, 39

from command line interface, 40

slaves, 682–684

slogin, 284

software

compiling, 562–565

decompressing, 561

decompressing and extracting in one step, 560–561

extracting, 562

GNU, 14

installation, 31–32, 54–60

installing from compressed archives, 560–566

installing from RPM source code files, 559–560

Linux, 14–17

open source, 3, 13–14

package types, 550–551

packaging with RPM, 567

repositories, 549–550

selecting an install directory, 561–562

sound

applications, 234–235

configuration, 34

devices, 625

sound cards, installing, 624–625

source code applications, installation, 59–60

split DNS, 692–694

SQL databases, 220–223

Squid proxy server, 86, 437–438

ACL options, 442

caches, 443

configuring client browsers, 438–439

logs, 443

reverse proxy cache, 443–444

security, 440–442

squid.conf, 439

SRPMs, 559–560

ssh, 285–286

SSH, 61

clients, 318–321

configuration, 322

configuration files, 319

creating SSH keys with ssh-keygen, 317–318

encryption and authentication, 314–315

OpenSSH, 313–322

port forwarding, 321–322

scp, 320–321

setup, 316–318

sftp and sftp-server, 321

ssh, 320

tools, 315–316

tunneling, 321–322

SSL, 433–435

standard error, redirecting and piping, 149–150

standard input/output, 145–148

Start of Authority (SOA) records, 670–671

startup, 38–39

startup files, 355–357

startup scripts, 357–358

starting and stopping servers with, 359

su, 492–493

subdomains, 682–684

subnetworks, 702–703

subshells, 169

superuser control, 491–493

Sybase, 222

syslog.conf, 508

entries, 508–509, 510–511

syslogd, 508–512

system

configuration, 31

configuration tools, 48

system administration tools, 493

system directories, 504–505, 571–572

system logs, 508–512

system variables, 169–179

BASH_ENV, 172

exporting, 174

HOME, 171

initialization files, 170–171

keywords, 170

NNTPSERVER, 173

PATH, 171–172

PS1 and PS2, 172–173

variable assignments, 174

SysV Init, 357–358