V
variables
environment
command line syntax, 232
shell scripts, 241, 242
system-defined, 232
user -defined, 232
VBA (Visual Basic for Applications)
OpenOffice suite and, 129
verification, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429
RPM and, 292
security and, 481
signed packages, 308
VFS (Virtual Filesystem), 201
viewing
running processes, 79, 80
VPN (Virtual Private Network) connections, 102
VPNs
PPP (Point-to-Point Protocol), 462
VPNs (Virtual Private Networks)
clients
connection setup, 463, 464, 466, 467
Microsoft VPN, 469, 470
kernel
booting, 461, 462
MPPE/MPPC support, 462
kernel building, 461
kernel patching, 459, 460
MPPC algorithm, 458, 459
MPPE algorithm, 458, 459
tunneling and, 457, 458
L2TP, 458
PPTP, 458
vsftpd FTP server, 361
installation, 362, 363, 364