用清华源加速安装pytorch
sudo docker attach 666f37bff497
python -m pip install --upgrade torch torchvision -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install torch==1.5.0+cpu torchvision==0.6.0+cpu -f https://download.pytorch.org/whl/torch_stable.html
修改安全组规则
出入方向都开放8850端口