安裝cuda 5.0

crtl+alt+F2

sudo service lightdm stop

sudo ./NVIDIA-Linux-x86_64-310.19.run

sudo ./cuda_5.0.35_linux_64_ubuntu11.10-1.run

vim ~/.bashrc

export PATH=/usr/local/cuda-5.0/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/cuda-5.0/lib:$LD_LIBRARY_PATH