upd89 is a system update management for debian based systems.
this upd89-agent is a python module, it's depending on the python-apt package
apt install python-apt python-daemonize python-configparser
git clone https://github.com/upd89/agent.git
python setup.py build
python setup.py install
update-rc.d upd89 defaults
pip install upd89
update-rc.d upd89 defaults
Please customize /etc/upd89/config.ini for you needs