This article might help you out:http://www.securitybeacon.com/?p=1089
Walks you through cloning a drive using PartedMagic (linux)
In this case, you'd have to hook up your drive to be cloned into the laptop, and the drive being cloned via external USB device. Note that I have not used this personally, so I'm not sure if it will find a drive connect via USB.
Acronis, while paid for, is pretty easy, though.http://kb.acronis.com/content/2931