429
Index
UNIX, 21, 33
command line of, 331333
host with, 100, 311
processes in, 351
unshielded twisted-pair (UTP) cable, 47, 48, 4849
updates, 118
upgrading
backup before, 231
cost of, 203
Windows Server 2008 as, 228, 229, 231, 233, 236
uplinks, 68
uptime command, 310
U.S. Government Accounting Office (GAO), 394
U.S. Securities and Exchange Commission (SEC), 392
disclosure review by, 394
USB controller, 382, 383
useful life, 204
Usenet (NetNews), 102
user, 6
account, 6, 113, 255, 256 317, 318
education, 148
Fedora Linux, 317, 318
growth rate, 214
log in list, 356
network, 214215
remote office, 124, 125
requirements by, 215
security, 148
switching, 356357
Windows Server 2008, 255, 256, 256257, 257,
258259, 259, 260, 260, 261
user account leaf object, 113
User Datagram Protocol (UDP), 9091
User Manager program, 324327, 325, 326, 327
UTP. See unshielded twisted-pair cable
V
VDSL. See Very-high-speed DSL
version control, 22
Very-high-speed DSL (VDSL), 84
videoconferencing, 83
virtual device mode, 378
virtual disk, 376, 376378, 377, 385
virtual machine, 366
backing up, 388
CD-DVD access, 380, 380381, 381
creation of, 372382, 373, 374, 375, 376, 377,
378, 379, 380, 381, 382, 383
floppy drive access, 382, 382
guest operating system for, 385
hard disk for, 376, 376378, 377, 385
IP address with, 379
network adapter for, 378, 378380, 379
processors, 375
RAM for, 373, 374, 375
Ubuntu Linux, 384, 384386
USB controller, 382, 383
virtual private network (VPN), 26
compatibility with, 133134
cost, 132
firewall, 135
for remote access, 132, 132134
RRAS with, 301
sensitive data on, 133
software, 134
SSL, 135136, 136, 137138, 138, 139
types of, 134136
WAN or, 78
virtualization, 366
virus, 153, 154155
VMware ESXi, 367, 368
VMware Server, 367, 368
CD-DVD access, 380, 380381, 381
datastore, 371, 372
downloading, 369
Internet Explorer, 369
log in, 370
management console, 369370, 371, 371, 386
RAM suggested by, 374
Tools, 386, 386387, 387
virtual disk interface type with, 378
virtual machine with, 372382, 373, 374, 375,
376, 377, 378, 379, 380, 381, 382, 383, 386
Voice over IP (VoIP), 104
VoIP. See Voice over IP
VPN. See virtual private network
VT100-style terminals, 354
W
wall penetration, 53
WAN. See wide area network
WAP. See wireless access point
web page, 364
whereis command, 350
which command, 349
whistleblower system, 391
who command, 356
wide area network (WAN), 27
connection types for, 8187
cost of, 78
dedicated, 80, 81
file sharing in, 78
partitioning with, 114
requirements of, 79
routers for, 72
SDSL for, 84
switched link, 7980, 80
Wide SCSI, 181
wildcards, 332
Windows, 36, 61
deleting account on, 262, 263
disabling account on, 262
Performance Monitor, 180
processors with, 176, 177