INSTRUCTION TO: Auto Install .deb Files On Your iPhone And iPod Touch

Requirements

• jailbroken iDevice
• know how to SSH

How to do it

• Load your SSH client ( Cyberduck for Mac, WinSCP for Windows )
• Browse to /var/root/Media/
• Create a new folder called Cydia and inside that folder a folder called AutoInstall ( make sure you create the folders exactly as you read them here. This is case-sensitive. )
• Now copy any .deb file you might have inside the AutoInstall folder , than reboot AND respring your iDevice.

Here’s a great video of the entire process, if something didn’t spark with the written part

How to undo it

The easiest way is via Cydia. In fact, the app is installed just like any apps you normally download and install via Cydia. You therefore can also use Cydia to check for its updates too, for instance.