how to get cudaHashcat going on Ubuntu 14.04 on Amazon GPU instance?

Can anyone tell me how to get cudahashcat running on the Amazon cloud?

I tried it on an Unbuntu 14.04 version, but I couldn't make the CUDA drivers work. I followed this tutorial:

http://askubuntu.com/questions/451672/in...untu-14-04

Amazon has Ubuntu 14.04 and RHEL 7 (there is no 12.04).

Please help how to get cudahashcat running on 14.04 or RHEL 7?

thanks