Index_L

L

L2TP (Layer 2 Tunneling Protocol), 458

language

additional support, 24

default

installation, 8

LANs (local area networks)

Internet connection and, 99, 100

launchers , 39

launching

graphical installer, 8

lease database, DHCP server, 401

libc, 212

libraries

source code applications, 514

licensing

BSD, 590

future of Linux, 587, 588, 589, 590

open source licenses, 589

GNU GPL, 589, 590

GNU LGPL, 589, 590

links

files, 171, 172

hard links, 173, 174, 175

symbolic links, 173, 174, 175

Linux

client, 343

future of, 587

development applications, 595, 596, 597, 598, 600, 601, 602, 603

licensing, 587, 588, 589, 590

online resources, 587, 588, 589, 590

system administration applications, 590, 591, 593, 594

networking and

advantages of Linux, 339

Security Enhanced. See SELinux

server, 343

listing

users, 224

LKM (Linux Kernel Modules), 521

load average, CPU usage informatin, 73, 74

local security, 411, 412

locate command, 183, 184

log files

rotating, 490

logging, 493, 494

application specific log files, 496

process overview, 498

searching log files, 496, 497

System Logs and, 496

syslogd daemon, 498

viewing log files, 494, 495, 496

logging out

security and, 481

login, 34

checking

root user and, 288, 289

username

viewing, 547, 548, 549, 550, 551, 552

login photo, desktop configuration, 77

logwatch, 430, 431, 432, 433

loops

shell scripts, 245, 246

ls command, 52, 170, 216

filenames, 182