Read this: https://zero-to-jupyterhub.readthedocs.io/en/latest/ then see the "Cu...

carreau on Feb 20, 2018 | parent | context | favorite | on: JupyterLab is ready for users

Read this: https://zero-to-jupyterhub.readthedocs.io/en/latest/ then see the "Customization Guide" section has a instruction on how to setup lab by default.