lsb_release -a
nvidia-smi

whereis -b cuda
nvcc --version
/usr/local/cuda/bin/nvcc --version

whereis -b cudnn
cat /usr/local/cuda/include/cudnn.h | grep CUDNN_MAJOR -A 2

which python 
which python3
python --version
python -c 'import tensorflow as tf; print(tf.__version__)'
pip list | grep tensorflow
pip show tensorflow
conda list | grep tensorflow

import tensorflow as tf
sess = tf.Session(config=tf.ConfigProto(log_device_placement=True))

/usr/local/cuda-8.0/bin/cuda-install-samples-8.0.sh .
cd NVIDIA_CUDA-8.0_Samples/1_Utilities/deviceQuery
make && ./deviceQuery

conda create --name tf_gpu tensorflow-gpu