Index_S

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S

Samba, 485-516

client configuration, 490-493

daemons, 489

domains, joining, 505

GUI configuration tool. See redhat-config-samba

home directories, 507-508

Kickstart Configurator and, 203

Microsoft networking and, 488-489

overview, 43, 485-486

self test, answers, 538-539

self test, questions, 532-533

server configuration, 494-495

server global settings, 495-500

server share settings, 500-504

services, installing, 487

share settings, 500-504, 515-516

starting, 487-488

two-minute drill, 531

user management, 505-507

Windows File Server group and, 103

Samba Server Configuration tool. See redhat-config-samba

scp, 692

ScriptAlias variable, Apache Web server, 443

scripts

execution and permissions for shell scripts, 24

Kickstart installation scripts, 204

programming, 24

SCSI (Small Computer Systems Interface)

/boot directory and, 162

disk controllers, 81

hard drive options, 48

naming disk partitions, 76

partitions, 74

SCSI Support Options and Low-Level Drivers, 342

SCSI Support Options and Low-Level Drivers, kernel options, 342

searches

file search commands, 17-18

grep and egrep, 20

for RPM packages, 248-249

RPM query mode, 252-254

secure Web server. See HTTPS (Secure HTTP)

security, 27-31

Apache Web server, 435-436

cron system, 354

firewalls. See firewalls

fixes, 251-252

host. See host security

NAT. See NAT (Network Address Translation)

network, 44-45

NFS, 574-575

NIS. See NIS (Network Information Service)

PAM. See PAM (Pluggable Authentication Modules)

partitions, 78

passwords, 29-31

permissions, 27-30

sendmail, 464-465

SSH. See SSH (Secure Shell)

system, 299-300

at system, 354

system logs. See system logs

updates, 612

vsFTP (very secure FTP), 456-459

X Windows System, 391-393

xinetd. See xinetd (Extended Internet Services Daemon)

security command, 496

sed command, 20

sendmail, 460-466

alternatives to, 459

configuring, 462-464

as default SMTP service, 460

detail of files and directories, 461-462

Mail Server group and, 103

overview, 41

RPM packages for, 461

security, 464-465

troubleshooting, 465-466

sendmail.cf, 461, 462-463

sendmail.mc, 463, 464-465

serial ports, 54

server configuration

DHCP, 579-583, 585

DNS, 562

FTP, 117, 119

HTTP, 117-118

Kickstart, 190

network installation servers, 87-88

NFS, 116-118, 563, 576-577

NIS, 608-609

Samba, 494-504

Server Configuration Tools, package groups, 102-103

Server Message Block. See SMB (Server Message Block)

ServerName directive, 438

servers

client/server architecture, 370-372

partitioning, 139-142

service accounts, 221-222

service command, 33

staring Squid, 451

starting NFS, 564

starting vsftpd, 458

starting/stopping named, 557

starting/stopping NFS, 568

stopping DHCP, 582

xinetd reload and, 630

service iptables stop command, 393

services

deleting extra, 613

overview, 426

removing unused, 631

running under own user accounts, 663-664, 703, 706, 710

Services Configuration tool. See redhat-config-services

session (session management) command, PAM, 615, 619

Sessions utility, 410-411

set command, 26

SGID (set group ID) bit

controlling group ownership, 667-668

file sharing and, 665-666

methods for setting, 666-667

permissions, 29-30

Shadow Password Suite, 30-31

shadow passwords, 30-31, 202

share settings, Samba

configuring, 500-504, 515-516

public shares, 512-514

redhat-config-samba and, 510-511

shared accounts, 228

shared files/directories

creating, 666-667

groups and, 664-665

NFS and, 563

SGID bit and, 665-666

shared printers

CUPS, 528-529

NFS and, 563

shell configuration files, 297-300

/etc/bashrc, 297

/etc/profile, 297-298

/etc/profile.d/, 299

self test, answers, 363

self test, questions, 358

two-minute drill, 355

users, 300

shells, 24-27

data stream options and, 26-27

inherited environments, 26

overview, 24

programming, 24

script execution and permissions, 24

syntax for running shell commands, 454

variables and parameters, 25

showmount command, 566, 569

Simple Mail Transfer Protocol (SMTP), 460. See also sendmail

single-user mode

LILO and, 168

password protection and, 681

system recovery and, 680

skip mode, linux rescue environment, 679

slave DNS servers, 546, 554

SMB (Server Message Block)

CIFS developed from, 484

filesystem, 236

history of, 485

smbmount command, 43

smb.conf

global settings, 495-500

print service settings, 493

as Samba configuration file, 486

server configuration, 494-495

share settings, 515-516

testing changes to, 514

smbadduser, 505

smbclient command, 490-491, 495

smbd, 270, 489

smbmnt command, 492-493

smbmount command, 43

smbpasswd, 505-507

smbumount command, 492

SMP (symmetric multiprocessing), 51

SMTP (Simple Mail Transfer Protocol), 460. See also sendmail

SOA (Start of Authority), DNS resource records, 554

soft limits, disk quotas, 306

soft mounting options, NFS, 573

software RAID, 175, 182-184

software, troubleshooting, 160

sort command, 20

sound adapters, 57

Sound and Video, package groups, 102

sound cards, 135

Sound System Support Options, kernel options, 345

source RPM (SRPM), 256-259

source RPMs

installation CD-ROM, 83

self test, answers, 291

self test, questions, 284

two-minute drill, 280

spawn command, 634

.spec files, 257

SQL (Structured Query Language), 104

SQL Database, package groups, 104

Squid

configuring, 450-451

overview, 449

as proxy server, 451-452

RPM packages for, 449-450

self test, answers, 477

self test, questions, 474

starting on reboot, 450

two-minute drill, 471

srm.conf, 433

SRPM (source RPM), 256-259

ssh, 694

SSH (Secure Shell)

brute force attacks and, 696

encryption, 692

GPG and, 697-698

key generation, 694-695

loss of passphrase for private keys, 697

private keys, 692-693

public keys, 693-694

reasons for using, 695-696

self test, answers, 711

self test, questions, 708

two-minute drill, 704

xauth and, 393

ssh-add, 694

ssh-agent, 694

sshd, 694

ssh-keygen, 694, 696

ssl.conf, 432-433, 438, 448

standard (regular) mode, linux rescue environment, 676-678

standard error (stderr), 26-27

standard filesystems, 234-236

standard groups, 665

standard input (stdin), 26-27

standard output (stdout), 26-27

standard RHEL kernel, 340

stanzas, 500

Start of Authority (SOA), DNS resource records, 554

startup files, in /etc/profile, 297

startx command, 225

calling up X command, 380

customizing startx process, 408

location of, 405

self test, answers, 421

self test, questions, 417

starting GUI with, 385, 399, 402

starting X Window System with, 406-407

two-minute drill, 414

stateless protocols, 571

static IP addresses, 37-38, 93, 581

stderr (standard error), 26-27

stdin (standard input), 26-27

stdout (standard output), 26-27

sticky bits, 513

striping with parity (RAID4), 176

striping with parity (RAID5), 176

striping without parity (RAID 0), 175-176

Structured Query Language (SQL), 104

su account, 31-32, 231-232. See also root user

su command, 32, 611

submit.cf, 461, 462

subnet mask, 38

sudo command, 32

SUID, 29-30

superuser account, 31-32, 231-232

SUPPORTED.CARDS, 55

swap filesystem, 235

swap partitions

creating, 122, 173-174

as default partition, 78

overview, 80

space requirements of, 108

switchdesk command, 400-401

symbolic links, absolute and relative, 572

symmetric multiprocessing (SMP), 51

SYN flood attacks, 317

sync command, 678, 692

sysinit, 303

syslogd daemon, 36, 622

system

administration, 31-35

recovery, 688

security, 299-300

system logs

checking, 626-627

configuration file, 622-623

list of standard Red Hat log files, 625-626

managing, 624

overview, 622

redhat-logviewer, 624-625

self test, answers, 654

self test, questions, 649

two-minute drill, 646

System Tools, package groups, 107

System V init, 269

system-config-bind, 559

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