1.安装pip：sudo apt-get install python-pip python-dev

2.定义仅支持CPU的python2.7环境下TensorFlow安装包地址：export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.9.0-cp27-none-linux_x86_64.whl

3.通过PIP安装TensorFlow：sudo pip install --upgrade $TF_BINARY_URL