Installing Jupyter on Raspberrian
Requirements: Optimized installation of Python 3+. To build from scratch see Build and Install Python on Raspberrian.
Building takes a lot of memory. Things will hang with the default swap on a RPI 3B+. A minimum swap of 1G is necessary. It also helps to have a fast SD card.
If you haven't installed them before with python you will also need the development packages for libxml and libxlst:
sudo apt install libxml2-dev libxslt1-dev
Otherwise it is easy:
sudo pip3 install jupyter
Be patient. I suggest letting it run overnight.