screencapture command, 299
search engine traffic, 260 “64
searchinfo script, 260 “64
secure locate, implementing, 120 “24, 174, 219, 258, 284
sendmail, 198, 202, 307 “8
server administration. See Internet server administration
server-side include (SSI) directive, 224
services, displaying enabled, 141 “44
setting system date, 139 “41
sftp program
to look like ftp program, 100 “101
synchronizing files, 249 “53
shell scripts
debugging, 38 “41
library of, building, 36 “38
types of, 2 “4
what they are, 2
showcgienv script, 204 “5
.shtml web page, 224, 227
Simple Network Management Protocol (SNMP), 124
slocate script, 120, 122, 123
Snapz Pro X software, 299
SNMP (Simple Network Management Protocol), 124
spelling, checking, 75 “82
adding local dictionary, 80 “82
of individual words, 75 “76
Shpell, 77 “80
on web pages, 235 “37
SSI (server-side include) directive, 224
state capitals quiz, 324 “27
stock portfolio, tracking, 193 “95
sudo command, 114, 116, 141 , 305
suspending user accounts, 127 “29
suspenduser script, 124, 127 “29
system administration. See managing users; system maintenance
system date, setting, 139 “41
system maintenance, 137 “63
backing up directories, 161 “63
displaying enabled services, 141 “44
ensuring system cron jobs run, 152 “54
killing processes by name , 144 “47
managing backups , 158 “60
rotating log files, 154 “58
setting system date, 139 “41
tracking set user ID applications, 138 “39
validating user crontab entries. See crontab entries, validating