A Linux kernel module that simulates key presses without pressing any keys, in this module i press the left key whenever the user presses any key, so that he writes from right to left instead of writing from left to right.

Features

Report key presses and releases to the linux input module
Sniffing linux keyboard strokes

Video demo:

http://se7so.blogspot.com/2012/12/hacking-linux-keyboard.html

Compile & Run:

1. Build
    make
2. Load
    sudo insmod kbd.ko
 3. Unload
    sudo rmmod kbd