Admin Commands

 

Commands that work with other commands:

 

regular expressions
grep
find
awk, gawk

What's the situation:

 

rdate
who
ps & top
df
du
netstat
gkrellm
mrtg
webalizer
smartctl, hdparms

Mounting disks & CDs, other hardware commands

mount, umount
 sysctl (321)

Adding users and changing passwords:

useradd
passwd

Backup & restore

Tape devices & other ways of getting data off site
tar
cpio
dd
pax
amanda

Sniffing, port scanning, IDS

tcpdump
ethereal, tethereal
nmap
snort
tripwire
portsentry
chrootkit
Sleuth Kit & Autopsy

System log files

/var/log/messages
/var/log/secure
/var/log/httpd/access_log, error_log, ssl_access_log, ssl_request_log, ssl_error_log
/var/log/maillog
logwatch