The Ryu controller can be installed easily using various methods:

• Using pip install:

      ~ sudo pip install –U netaddr six pbr     
      ~ pip install ryu

• Native install from the source code:

      ~ git clone git://github.com/osrg/ryu.git
      ~ cd ryu
      ~ sudo python setup.py install

• Using the Installhelper:

      ~ git clone https://github.com/sdnds-tw/ryuInstallhelper.git
      ~ cd ryuInstallHelper
      ~ ./ryuInstallHelper.sh