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Fix "broken" ID3 tags in the current directory and subdirectories
Some MP3s come with tags that don't work with all players. Also, some good tag editors like, EasyTAG output tags that don't work with all players. For example, EasyTAG saves the genre as a numeric field, which is not used correctly in Sansa MP3 players. This command corrects the ID3 tags in MP3 files using mid3iconv, which comes with mutagen. To install Mutagen on Fedora use "yum install python-mutagen"

Drop all tables from a database, without deleting it
Uses two comands, requieres mysqldump, but works as expected.

Your name backwards

Rename .JPG to .jpg recursively
This command is useful for renaming a clipart, pic gallery or your photo collection. It will only change the big caps to small ones (on the extension).

ignore hidden directory in bash completion (e.g. .svn)

Watch RX/TX rate of an interface in kb/s
Just a simple way without the need of additional tools. Of course, replace eth0 with your IF.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Stop procrastination on Facebook.com
or echo '127.0.0.1 facebook.com' | sudo tee -a /etc/hosts Do not execute this command if you don't know what you are doing.

List all files modified by a command
This lists all files modified after calling some command using a temporal anchor.


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