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Scroll up (or Down (PgDn)) in any terminal session (except KDE)

Solaris get PID socket
Command line to get which PID is opening a socket on IP and PORT. Only useful under Solaris.

power off system in X minutes
Replace 60 with the number of minutes until you want the machine to shut down. Alternatively give an absolute time in the format hh:mm (shutdown -h 9:30) Or shutdown right away (shutdown -h now)

generate random password (works on Mac OS X)
Prepending env LC_CTYPE=C fixes a problem with bad bytes in /dev/urandom on Mac OS X

Get the ip registered to a domain on OpenWRT
I use this in a script on my openwrt router to check if my DynDNS needs to be updated, saves your account from being banned for blank updates.

txt2html
Convert Text to HTML

Check whether laptop is running on battery or cable
If you want to do the same in OS X... grep as necessary for information you need....

Runs previous command but replacing
Really useful for when you have a typo in a previous command. Also, arguments default to empty so if you accidentally run: $ echo "no typozs" you can correct it with $ ^z

List the CPU model name
Extracts the model name of the CPU and displays it on screen.

Short one line while loop that outputs parameterized content from one file to another
There is a common command for outputting a field or list of fields from each line in a file. Why wouldn't you just use cut?


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