Commands using aplay (8)

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Email an svn dump
Dumps a compressed svn backup to a file, and emails the files along with any messages as the body of the email

Get your external IP address if your machine has a DNS entry
Easy way to see your real external IP

Save history without logout
You can use commands that executed on first console from new opened second console. Sometimes it be very useful :)

Remove multiple spaces
The command removes all the spaces whithin a file and leaves only one space.

Command to logout all the users in one command
This command logs out all users - which is way more secure to use ps -ef and "grep" to kill processes. Never ever use ps -ef piped to grep to kill something. If you ever need to ps-something use the UNIX95-directive, which makes sure you will never need "grep" together with "ps".

list block devices
Shows all block devices in a tree with descruptions of what they are.

Twitpic upload and Tweet

Capture data in ASCII. 1500 bytes
Sniffing traffic on port 80 only the first 1500 bytes

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Decrypt passwords from Google Chrome and Chromium.
Read this before you down voting and comment that it is not working -> Wont work on latest versions ~75> since database file is locked and has to be decrypted. This is useful if you have an old hdd with a chrome installation and want to decrypt your old passwords fast.


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