D

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-d file comparison operators 2nd
daemons
     cupsd
     mail
     smbd
data
     directories
         MySQL
         PostgreSQL
     integrity, database comparisons
     locking, database comparisons
     loss, reasons for
     mirroring
     retrieving from SQL databases
     storage, RDBMS
databases
     access/permission issues
     administration
     clients
         client/server model
         command-line clients
         local GUI database access
         middleware
         MySQL command-line clients
         MySQL graphical clients
         PostgreSQL command-line client
         SSH database access
         web database access
     comparisons
         ACID compliance
         data integrity
         data locking
         procedural languages
         speed
         SQL subqueries
         triggers
     DBAs
     flat file
     MySQL
         adding user accounts
         command-line clients
         creating
         data directory ownership
         granting/revoking privileges
         graphical clients
         initializing data directories
         initializing grant tables
         installing
         privileges
         root user passwords
     PostgreSQL
         creating databases
         creating/deleting database users
         exiting psql command-line client
         granting/revoking privileges
         initializing data directories
         installing
         RPM distribution
         starting postmaster program
     RDBMS
         data storage
         SQL basics
         table relations
date command, resetting date settings
date/time resets
DBAs (database administrators)
dd command 2nd
deb files
Debian
debugging C/C++
declarations (PHP loops)
deleting
     batch jobs
     directories via rm shell command
     files via rm shell command
     PostgreSQL database users
     root account users
Dell Computers website, preinstalled Linux systems
deny directive (Apache Server)
dependency checking
depmod command, modular kernel management
description field (ftpconversions file)
designer graphical prototyping tool (Trolltech)
desktop environments
     GNOME
         C/C++ programming 2nd
         File Roller
         Nautilus web browser, FTP sessions
         optimizing
     KDE
         ark backup tool
         C/C++ programming 2nd
         kdat backup tool
         Konqueror web browser, configuring for Squid proxy server
         Konqueror web browser, FTP sessions
         optimizing
     Xcfe
desktops, customizing
destructor methods (Python)
/dev directory
development releases (kernel) versus stable kernels
device drivers
Device section (xorg.conf configuration file)
devices.txt files
df command
dhclient command
dhclient configuration options
DHCP (Dynamic Host Configuration Protocol)
     activating at boot time
     activating at installation
     advantages/disadvantages of
     dhclient
     DHCP Server
     dhcpd.conf files
     identifying information pairs
     IP address registration
     LAN
     leases
     NT servers
     server configuration
DHCP Handbook website, The
dhcpd.conf files
Dia diagram creation program (GNOME Office)
dial-up Internet connections, configuring manually
dial-up logins [See shell accounts.]
dictionaries (Python)
die function (Perl)
digital cameras
digital images, managing
directives
     Apache Server runtime configuration
     SSI
directories
     /usr/share/doc
     changing via cd shell command
     compressing, tar command-line backup software
     creating via mkdir shell command
     deleting via rm shell command
     files, listing via ls shell command
     Linux file system
         /bin
         /boot
         /dev
         /etc
         /home
         /proc
         /sbin
         /tmp
         /usr
         /var
         basic directories list
         listing contents of
         root layouts, viewing
     permissions
     structures, copying
DirectoryIndex configuration directive (Apache Server)
dirlist enable setting (vsftpd server default settings)
dirmessage enable setting (vsftpd server default settings)
disabling
     atime files, file system optimization
     SSH1 in SSH servers
disaster recovery plans
disk quotas 2nd
disk usage, printing via du shell command
display banners
display managers 2nd
distribution systems
dmesq command
     troubleshooting Ubuntu configurations
     Ubuntu installation
DN (distinguished names)
do, until loops
do, while loops 2nd
documentation
     /usr/share/doc directory
     commands, finding
     HOWTO documents
     HTML files, browsing
     man pages
     software packages
Documentation directory (/usr/src/linux-2.6 directory)
DocumentRoot configuration directive (Apache Server)
Don Becker's Linux Ethercard Status, Diagnostic and Setup Utilities website
DOOM 3 (game)
dotted decimal format
double ampersand (&&) number comparison operators
double equal sign (==) string comparison operators
double pipe (||) number comparison operators
double quotes ("), resolving variables in shell strings with embedded spaces
download enable setting (vsftpd server default settings)
downloading
     Apache Server
     websites for offline reading
dpkg -reconfigure xserver-xorg configuration tool
dpkg command
Draw graphics program (OpenOffice.org)
drives
     CD
     CD-RW
     DVD
     Removable Drives and Media
DROP USER statement (PostgreSQL)
dropdb command (PostgreSQL)
dropuser command (PostgreSQL) 2nd
DSL (Digital Subscriber Line)
du shell command
dual-boot Ubuntu installations
dual-core machines
dual-host no-NIC networks
dumb gateways [See bridges.]
dummy interfaces
durability (ACID), database compliance comparisons
DVD drives
dvd+rw-tools 2nd
DVD+RW/-RW drives
DVDs
     burning
         GnomeBaker software
         packet writing
         Serpentine software
         session writing
         X-CD-Roast software
     DVD+RW, rewritability limits
     formats of
     HOWTO documents
     players
     preformatted DVD
     storage capacity
     Ubuntu installations 2nd
dvgrap utility
dynamic content (Apache Server)
     CGI
     flow control
     PHP
     SSI
dynamic IP addresses
dynamic links, dependency errors