Cuda

# crack hash
./cudaHashcat64.bin -m 1500 /temp/ipdiscover_htpasswd
# install driver
http://negativo17.org/nvidia-driver/
# NVIDIA System Management Interface program
nvidia-smi

Which version of cuda?

nvcc --version
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2015 NVIDIA Corporation
Built on Tue_Aug_11_14:27:32_CDT_2015
Cuda compilation tools, release 7.5, V7.5.17