1. Install Cuda 10.1 & TensorFlow 2.1
@reference_1_tensorflow.org
(1) Install conda: `conda create -n your_env_name python=3.7 pip`
(2) `pip install tensorflow`
@reference_2_itfashion4u
2. Downgrade versions if necessary
`apt-get install -y --no-install-recommends libnvinfer6=6.0.1-1+cuda10.1 libnvinfer-dev=6.0.1-1+cuda10.1 libnvinfer-plugin6=6.0.1-1+cuda10.1 --allow-downgrades`
3. Uncheck Nvidia repositories to prevent ubuntu software updater from updating
"Software & Updates" => "Other Software" => uncheck Nvidia repositories
