Check dependencies (python3, build-essential, libssl-dev, libffi-dev, python3-dev, python-pip).
Install Yarn by following the install instructions.
Run:
$ python3 -m venv .virtualenv
$ source .virtualenv/bin/activate
$ pip install -U setuptools pip
$ pip install psycopg2
$ pip install --requirement requirements.txt
$ python manage.py migrate
$ python manage.py createsuperuser
$ python manage.py collectstatic
$ sed -i 's/DEBUG = False/DEBUG = True/' personal_data/settings.py
$ cd vorlesung_enders_client
$ yarn
$ node_modules/.bin/jspm install
$ node_modules/.bin/gulp
$ cd ..
$ PYTHONPATH=`pwd`:$PYTHONPATH CROSSBAR_DIR=`pwd`/.crossbar crossbar start