安装libtorch时启用环境变量cxx11 abi https://github.com/pytorch/pytorch#from-source
安装opencv使用ffmpeg cmake -DOPENCV_EXTRA_MODULES_PATH=../opencv_contrib-4.x/modules -D WITH_GSTREAMER=OFF -D WITH_FFMPEG=ON -D WITH_1394=OFF ../opencv-4.x
安装ffmpeg依赖libavcodec libavformat libavutil libswscale
dc1394.h: -D WITH_1394=OFF
docker安装完成。 https://docs.docker.com/engine/install/ubuntu/
export http_proxy=http://127.0.0.1:7890 export https_proxy=http://127.0.0.1:7890 export ftp_proxy=http://127.0.0.1:7890 export HTTP_PROXY=http://127.0.0.1:7890 export HTTPS_PROXY=http://127.0.0.1:7890 export FTP_PROXY=http://127.0.0.1:7890