Add cuda apt source
cd /etc/apt
sudo echo "deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64 /" > cuda.list
sudo echo "deb http://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1604/x86_64 /" > nvidia-machine-learning.list
Solve GPG issue
https://askubuntu.com/questions/13065/how-do-i-fix-the-gpg-error-no-pubkey
Install cuda
sudo apt install cuda
Misc: install tensorflow
http://www.nvidia.com/object/gpu-accelerated-applications-tensorflow-installation.html