V

-v (verbose) option, 122 vanilla kernels, 712 /var/log, 176-177 variables

DISPLAY environment variable, 202-204 environment variables, 50-53 setting (emacs), 316 shell variables, 398-402 strings, variables representing, 400 Venema, Witse, 470 verification output (RPM), 326 VFAT (Virtual File Allocation Table) filesystem,

91, 132 VFS (virtual filesystem), 88 vi/vim text editor basics, 298-300 command mode, 300 copying/pasting, 304-305 deleting, 302-304 exiting, 307

initialization file, 306-307 inserting/saving files, 307 navigating, 300-302 searching/replacing, 305-306 undoing/redoing, 303 vi (visual) text editor, 61-62 video mode for installation, 8 viewing files, 60

formatting text for, 289-291 virtual adapters, 415 virtual domains defined, 481 Postfix, 480-481 virtual filesystem (VFS), 88 virtual hosts (Apache web server), 454-456

virtual interfaces, network configuration and, 415

Virtual Network Computing (VNC), 206-207 virtual terminal services, 425 VirtualBox, 698-699 virtualization. See also emulation and virtualization defined, 684 vs. emulation, 683-684 enterprise architecture and, 675-676 modules (YaST), 233 using QEMU, 692-695 with VirtualBox, 698-699 with VMware, 695-698 with Xen hypervisor. See Xen hypervisor virtual_maps (Postfix), 474-475 VMware migration and, 708 virtualization and, 684, 695-698 VMware Server, 696-698 VMware Server vs. QEMU, 697 Volkerding, Patrick, xxxiv volume groups (partitions), 86-87 vsftpd as FTP server, 588-592 setting up user FTP with, 593-594 VT-X, 702

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