TLDs (top-level domains), 634 – 635
/tmp directory, 135
Token Ring, 361
Tomcat, 510
top command, 191 – 193
top-level domains (TLDs), 634 – 635
Torvalds, Linus, 23
Totem Movie Player, 87
touch command, 139 , 146 – 147
traceroute command, 351
traceroute6 command, 351
triggers, 522
Tripwire, 406
troubleshooting
finding bugs with Harvest, 675
fixing bugs, 672 – 675
Internet connections, 389
kernel, 446 – 447
network printers, 462 – 463
networking, 364
system rescue, 344 – 345
restoring GRUB2 boot loader, 345
saving files from nonbooting drive, 346
Ubuntu rescue disc, 345
Ubuntu, 21 – 22
Boot-Repair, 299
runlevels, 296
system reset with REISUB, 210 – 211
unbootable system, 211 – 212