Commands using sum (5)

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search installed files of package, that doesn't remember his name well. On rpm systems
rpm, sometimes, is not wildcard friendly. To search files installed from package this could be useful. change PACKAGENAME to any package do you want to search

Colorized grep in less
Get your colorized grep output in less(1). This involves two things: forcing grep to output colors even though it's not going to a terminal and telling less to handle those properly.

Show max lengths of all fields in a pipe delimited file with header row

find all active IP addresses in a network
There are several other options. This one is plain and simple. Another option is: nmap -sP 192.168.0.0/24

Gets the last string of previous command with !$
It helps you save a lot of writing :-)

Conficker Detection with NMAP

get absolute file path
Retrieve absolute path name from relative path

Display usb power mode on all devices

show the date every rpm was installed
the newest rpms are at the top; individual packages can also be queried this way: rpm --last -q package

The BOFH Excuse Server


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