Why am getting “site can’t be reached” when I try to access my Jupyter notebook?

One error you might get when trying to visit your list of notebooks is This site can’t be reached: localhost refused to connect.

This site can’t be reached

localhost refused to connect.

Try:

Checking the connection
Checking the proxy and the firewall

ERR_CONNECTION_REFUSED

This happens because you shut down your Jupyter server, so the URL at http://localhost:8888 doesn’t work any more. You probably closed the a Terminal window or pressed Ctrl+C to go run other commands.

To fix this, you’ll need to start a new notebook server by running jupyter notebook on the command line. This will start a new server and the http://localhost:8888 sites will start working again.

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