Sometimes you want to temporarily disable a JupyterLab extension on a JupyterHub by default, without having to rebuild your docker image. This can be very easily done with z2jh’s singleuser.extraFiles, and JupyterLab’s page_config.json JupyterLab’s page_config.json lets you set page configuration by dropping JSON files under a labconfig directory inside any of the directories listed when you run jupyter --paths. We just use singleuser.extraFiles to provide this file! singleuser: extraFi...