Put this script to /etc/init/ and use sudo start ipython to start it.
You should also change the default initial path of ipython notebook by uncommenting and changing the following
lines of your profile config file( default ~/.config/ipython/profile_default/ipython_notebook_config.py)
custom web page fonts and so on
Put this css file into your profile path( default $HOME/.config/ipython/profile_default/static/custom/custom.css).
use pyenv to handle multiple version of python
Put the hook script whence.bash to /path/to/pyenv.d//which/whence.bash to guess the python version from the program name.