cudnn install ubuntu + tensorflow Install cuda Export variables in ~/.bashrc or ~/.zshrc. export PATH=/usr/local/cuda/bin${PATH:+:${PATH}} export LD_LIBRARY_PATH=/usr/local/cuda/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}} export CUDA_HOME=/usr/local/cuda Download cudnn. Note: check TensorFlow install guide for the correct version. Extract cudnn, this extracts a folder named cuda, cd into it. Execute sudo cp -P include/cudnn.h /usr/local/cuda/include sudo cp -P lib64/libcudnn* /usr/local/cuda/lib64 Uninstall sudo apt-get remove cuda suda apt-get purge cuda sudo apt autoremove