Index

S

screencapture command, 299

scriptbc script, 29–31

search engine traffic, 260–64

searchinfo script, 260–64

secure locate, implementing, 120–24, 174, 219, 258, 284

sed script, 79, 103

sed statement, 52

sed-based transform, 14

semaphore, 31

sendmail, 198, 202, 307–8

server administration. See Internet server administration

server-side include (SSI) directive, 224

services, displaying enabled, 141–44

set-date script, 139–41

setgid script, 120, 138

setting system date, 139–41

setuid command, 138, 139

setuid permission, 55

setuid script, 120

sftp program

to look like ftp program, 100–101

synchronizing files, 249–53

sftpsync script, 249–53

shell scripts

debugging, 38–41

library of, building, 36–38

types of, 2–4

what they are, 2

showcgienv script, 204–5

showfile command, 96

showfile script, 95–96

showpic script, 217

.shp suffix, 79

shpell script, 77–80

.shtml web page, 224, 227

SIGHUP signal, 128

SIGKILL signal, 128

Simple Network Management Protocol (SNMP), 124

slocate script, 120, 122, 123

.slocatedb files, 124

smallest command, 109

Snapz Pro X software, 299

SNMP (Simple Network Management Protocol), 124

Solaris system, 3–4

sourcing capability, 36

sourcing files, 191

spelldict script, 80–82

spelling, checking, 75–82

adding local dictionary, 80–82

of individual words, 75–76

Shpell, 77–80

on web pages, 235–37

ssh package, 249

SSI (server-side include) directive, 224

ssync script, 251–53

state capitals quiz, 324–27

states script, 324–27

stderr command, 234

stdin command, 81

stdout command, 233

stock portfolio, tracking, 193–95

Straight Dope, The, 210

streamfile script, 225

su -fm user, 122

substitution cipher, 315

sudo command, 114, 116, 141, 305

sudo password, 141

suspending user accounts, 127–29

suspenduser script, 124, 127–29

syslogd.conf file, 55

system administration. See managing users; system maintenance

system date, setting, 139–41

system() function, 119

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