By mounting the source controller RYU

• Installation pip3

sudo apt-get install python3-pip

• Get ryu source

git clone https://github.com/osrg/ryu.git

• Installation depends

cd ryu
sudo pip3 install -r tools/pip-requires -i https://pypi.tuna.tsinghua.edu.cn/simple

• AnSo ryu

sudo python3 setup.py install