Ubuntu Install and Uninstall Cuda

Ubuntu Installation Cuda:

Website:https://developer.nvidia.com/cuda-downloads

Installation instructions:

    ' sudo dpkg-i cuda-repo-ubuntu1404-7-5-local_7.5-18_amd64.deb '
    sudo apt-get Update '
    sudo apt-get install Cuda '

Ubuntu Uninstall Cuda:

Http://askubuntu.com/questions/530043/removing-nvidia-cuda-toolkit-and-installing-new-one

http://docs.nvidia.com/cuda/cuda-getting-started-guide-for-linux/#runfile-uninstallation

Use the following commands to uninstall a Rpm/deb installation

$sudo apt-get--purge Remove <package_name> # Ubuntu
$ sudo yum remove <package_name> # fedora/redhat/cent OS 
$ sudo zypper remove <package_name> # opensuse/sles

Note: Package_name is/usr/local/cuda,/usr/local/cuda-7.5,/usr/cuda,/usr/cuda-7.5

Read more At:http://docs.nvidia.com/cuda/cuda-getting-started-guide-for-linux/index.html#ixzz4ebnesgb8
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Install CUDNN:

Https://developer.nvidia.com/rdp/cudnn-archive

Download CUDNN, unzip, copy. h file and Lib file to the corresponding directory