RCHE Red Hat Certified Engineer Linux Study Guide[c] Exam (Rh302)

T

tail command, 18

tape backups, 34-35

tar command, 35

tar files, 334-335

tar.gz files, 19, 334-335

tarballs

backups and, 35

compressed tar files, 335

package distribution with, 19

TCP/IP, 36-40

IP addressing, 37-38

Microsoft networks and, 488

name resolution, 39-40

ports, 627-628

tcp_wrappers, 634

technical support, 717

Telephony Support menu, kernel options, 342

Telnet

connecting to remote systems, 627

enabling with xinetd, 631

telnet command, 32, 695

terminal window. See xterm

testparm command, 489, 507-508, 514

text editors, 5. See also vi editor

text login, runlevels, 161, 402

text mode installations, 74, 114, 158, 185, 229

Text-based Internet, package groups, 101

The GIMP, 102

tilde (~), representing home directory, 16

time zones, configuring, 130

time, Date/Time Properties, 134, 275-276, 586-587

timezone command, 194

/tmp directory, 159, 670

tmpwatch

deleting temporary files with, 670-671

overview, 663

self test, answers, 710

self test, questions, 706

two-minute drill, 703

top utility, 315

touch command, 300

troubleshooting

Apache Web server, 445-446

DHCP clients, 583-584

DISPLAY variable, 395

DNS (Domain Name Service), 558-559

hardware, 159-160

installation. See installation troubleshooting

sendmail, 465-466

X Font Server, 385-387, 689

X Windows System, 394-395

Troubleshooting and System Maintenance exam

GRUB, 163, 165

partitions, 156

system recovery and, 662

vi editor and, 4, 222

X Windows configuration, 380

X Windows System, 371, 380

troubleshooting boot process

boot loaders, 685

configuration errors, 686-688

df command, 682

dumpe2fs, 683-684

e2label command, 683

emergency boot procedure, 690-692

fdisk utility, 682-683

file corruption, 686

fsck command, 684-685

overview, 681

steps in system recovery, 688

TTL (Time To Live), DNS Server data, 554

Tux Web server, 427

twist command, 634