Yup, do a search, it's not hard to do if you're proficent with linux, and not impossible to do if you're not.

http://www.differentpla.net/~roger/empeg/car/cloning.html will tell you everything you need to know and walk you through it step by step. I just finished bringing my backup into service yesterday, and this method worked perfectly. If you can, try and have two computers or serial ports so that you can look at the output of both of them at once, it'll make your life easier.

Matthew