Ubuntu remove Nvidia Cuda drivers

Ubuntu remove Nvidia Cuda drivers. Want to remove the installed earlier and install a new Cuda toolkit? Applies to Ubuntu and some other Linux OS`s.

For Cuda drivers below 10.x

Uninstall only nvidia-cuda-toolkit:

sudo apt-get remove nvidia-cuda-toolkit

Uninstall nvidia-cuda-toolkit with its dependencies:

sudo apt-get remove --auto-remove nvidia-cuda-toolkit

Purging config/data:

sudo apt-get purge nvidia-cuda-toolkit or sudo apt-get purge --auto-remove nvidia-cuda-toolkit

此外, delete the /opt/cuda 和 ~/NVIDIA_GPU_Computing_SDK folders if they are present. and remove the export PATH=$PATH:/opt/cuda/bin 和 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/cuda/lib:/opt/cuda/lib64 lines of the ~/.bash_profile file.

.deb installation

This is for whom use *.deb files to install Cuda.

sudo apt-get autoremove --purge cuda

This can clear the Cuda clearly. You can check that the folder /usr/local/cuda gone. And this command is the best choice to remove *.apt installed app.

But when you reinstall another version of Cuda, you must use:

sudo apt-get install cuda-x.x

笔记: The version number must be included

For CUDA 10.x or higher

Use Cuda uninstaller:

sudo /usr/local/cuda/bin/cuda-uninstaller