If you have 100 students, you will have 100 different mistakes to debug in the setup. A setup is not a program, there is rarely an easy way to pinpoint a problem, and so it takes a lot of time to setup just one, let alone a 100.
When the number of hours are limited, it's best to skip it entirely, and just provide a solid paper tutorial.
Average class size of those using JupyterHub was more like 30, excluding two very large, very popular classes. Worth remembering all the classes have labs and sections which are much smaller.
When the number of hours are limited, it's best to skip it entirely, and just provide a solid paper tutorial.