Index

SYMBOLS

#! syntax, shells and, 64

… (ellipses), omitted information in code, 10

[ ] (brackets), testing shell scripts and, 65

~. (tilde and period), exiting ssh sessions and, 262

> (greater-than sign)

appending files and, 55

to direct output to files, 55

. (dots), in PATH environment variables, 65

! (exclamation points), negating search criterion with, 85

/ (forward slash), IRC commands and, 253

; (semicolons), vi and, 315

A

-a option, (debsums), 42

adding

content to scripts, 6568

files to archives, 160

groups, 286

passwords, 281

software, virtualization hosts and, 301

software collections, 2425

text, 91, 93

user accounts, 280281

Address Resolution Protocol (ARP), checking, 229230

administration of remote systems. See remote systems administration

Advanced Linux Sound Architecture (ALSA), 109

Advanced Package Tool. See APT (Advanced Package Tool)

alias command, 5758

alsamixer, 109110

AMD-V virtualization support (svm), 298299

apropos command, 1213

APT (Advanced Package Tool). See also software, managing with APT

vs. aptitude, 25

basics of, 21

commands for security, 295

apt-get command update command, 35, 37

clean option, 2930

installing packages and, 2829

KVMs and, 301

remove option, 29

aptitude. See also software, managing with aptitude

vs. APT, 25

basics of, 21

Aptitude Survival Guide, 35

Aptitude User's Manual, 35

apt-key command, 70

archives. See also backups to compressed archives

backing up with SSH, 161162

ARP (Address Resolution Protocol), checking, 229 ...

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