Ubuntu 14.04 Install and uninstall CUDA Toolkit 7

Deb file installation, the advantage is not to exit the graphical interface.

1) Download the Deb file from the Cuda website

2) According to the process of the official website.

$ sudo dpkg-i cuda-repo-<distro>_<version>_<architecture>.deb
$ sudo apt-get update
$ sudo apt-get install Cuda

3) Configure the environment, add the following command to/etc/profile or. BASHRC, save and make it effective with the source command

$ export Path=/usr/local/cuda-7.0/bin: $PATH
$ export ld_library_path=/usr/local/cuda-7.0/lib64: $LD _library_path

4) Check that the installation is successful.

Nvcc-v

Run File Installation

1) Download the run file

2) make Nouveau invalid, create/etc/modprobe.d/blacklist-nouveau.conf, content as follows:

Blacklist nouveau

Options Nouveau modeset=0

Regenerate the kernel's INITRAMFS:

$ sudo update-initramfs-u

3) Enter command line mode to install

Alt+ctrl+f1 into the command line, and then

SUDO/ETC/INIT.D/LIGHTDM stop closing the graphical interface

4) Installation

sudo sh cuda_<version>_linux.run

5) Configure the environment, as with the fourth Deb step.

Uninstalling CUDA Toolkit

Cuda is installed by default under/etc/local/cuda-7.0 and is unloaded with the following command

sudo/usr/local/cuda-7.0/bin/uninstall_cuda_7.0.pl

Uninstalling the NVIDIA driver

Sudo/usr/bin/nvidia-uninstall

Make the Nouveau effective, delete the blacklist file.