I can't open jupyter in my browser

Sebastian_Rodriguez · August 11, 2022, 11:03pm

Hi to all! Anybody can give me an idea about what I can do about this problem? I installed Jupyter using anaconda but it’s not possible to running out in my browser. I attach the screenshot:

How could I fix it? I use linux ubuntu.
Thank you in advance!

minrk · August 12, 2022, 8:52am

Try starting Jupyter with:

jupyter lab --ServerApp.use_redirect_file=False

I think there is an issue where the default redirect-file doesn’t work on some browsers (firefox?).

krassowski · August 12, 2022, 12:17pm

Yes, snap version of Firefox on Ubuntu blocks access to local filesystem. @minrk your solution works for me well, do you happen to know more about the story behind the redirect file? I wonder if we could flip this off by default (I expect that more and more users will encounter this problem as the Firefox snap makes its way onto more computers).

manics · August 12, 2022, 1:08pm

The help message says it’s to hide the token:

github.com

jupyter-server/jupyter_server/blob/6fea5d841719780130843198a04aa185d6b9a073/jupyter_server/serverapp.py#L1227-L1243


      
          use_redirect_file = Bool(
              True,
              config=True,
              help="""Disable launching browser by redirect file
           For versions of notebook > 5.7.2, a security feature measure was added that
           prevented the authentication token used to launch the browser from being visible.
           This feature makes it difficult for other users on a multi-user system from
           running code in your Jupyter session as you.
           However, some environments (like Windows Subsystem for Linux (WSL) and Chromebooks),
           launching a browser using a redirect file can lead the browser failing to load.
           This is because of the difference in file structures/paths between the runtime and
           the browser.
          
          
 Disabling this setting to False will disable this behavior, allowing the browser
           to launch by using a URL and visible token (as before).
           """,
          )

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I can't open jupyter in my browser

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