Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] daemons at cron 2nd NTP sshd data circuit equipment (DCE) data collectors data files data terminal equipment (DTE) Dawes, David DBMS (database management system) DCE (data circuit equipment) dd command 2nd 3rd debugging output default_idel function defining partitions demiliterized zone [See DMZ (demilitarized zone) networks.] demonstrating failures dentry cache design [See configuration.] desktop managers, X Window detecting links similar devices (kernel module) devices blocking bypassing detecting drivers failures identifying failed devices replacing searching for errors supported devices HID rewind/no-rewind Differentiated Services Code Point (DSCP) directories /etc/sysconfig boot.d rc scripts confirm mode startup rc.d spools disabling ICMP diskdump disks I/O multiple threads reducing strain statistics journaling to MBR 2nd partitions sleep status display managers, X Window dmesg command DMZ (demilitarized zone) networks DNS (domain name service) slow lookups domain name service [See DNS (domain name service) slow lookups.] dot matrix printers [See also printing.] drivers devices monitors mtx options versions viewing drives tape used wrong order, scanning in DSCP (Differentiated Services Code Point) DTE (data terminal equipment) dual-display video cards, starting X Window servers dump command dumps core obtaining DUP duplex, modifying interfaces |