https://www.digitalocean.com/community/tutorials/how-to-add-swap-space-on-ubuntu-16-04
https://hackernoon.com/deep-learning-software-setup-cuda-10-ubuntu-18-04-15548cefa30
https://askubuntu.com/questions/1077061/how-do-i-install-nvidia-and-cuda-drivers-into-ubuntu
source activate myenv
python -m ipykernel install --user --name myenv --display-name "Python (myenv)"