How to enable token authentication in Jupyter Notebook?

I am running Juypter Notebook version 6.0.0 on a remote server. There is password authentication in place and according to the docs if this is so then token authentication is disabled. However I need to enable token authentication so I can set up Google Colab(which requires token based authentication) with a local runtime on the remote server. While there are several links describing how to disable authentication, I couldn't find any on how to enable it.

The output of jupyter notebook list does not show any tokens. Even resetting the password does not generate a token.

I see that your notebook provider has disabled tokens. In this doc the steps to disable token is given, so I applied exactly opposite steps and it worked. Since you have a remote server, if you somehow manage to restart jupyter notebook remotely, then you can do the same.

Steps:

• Edit the config file, jupyter_notebook_config.json

• Add this line to the config, as in the picture

  "token": "YOUR_TOKEN",

• You can use token consisting of hex characters (0-9, a-f) as a token

• Remove the line that contains password

• Now you need to restart the server

• Exit by clicking 'Quit'

• After you log back next time, give the token instead

Location of config file:

Windows: "C:\Users\Username\.jupyter\"

Linux: "/home/user/.jupyter"