yum -y install python3
yum -y install mesa-libGL

python3 -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --upgrade pip
pip3 config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

pip3 install opencv_python
pip3 install requests
pip3 install flask
pip3 install gevent

nohup python3 ./server.py >> ./server.log 2>&1 &

killall python3