Anaconda-Jupyter Doesn’t open in browser

For me, this worked on Raspberry Pi4, Ubuntu 20.04, with Chromium Browser.

Generate the config file with following command.

jupyter notebook --generate-config

Config file is created at ~/.jupyter directory

Look for parameter c.NotebookApp.use_redirect_file and set the same as False.

c.NotebookApp.use_redirect_file = False in order to disable launching browser by redirect file .

Explanation:

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.

Also make sure the ~/.local/share/jupyter and ~/.jupyter directories are owned by the user running jupyter

I think you have changed your default browser from Firefox to something else, Jupyter Notebook works fine on Firefox but throws permission denied on Chromium (for me). Just go to Setting > Details > Default Application and select FireFox in Web. Cheers

With recent versions of snap, applications installed with snap can’t by default open files in hidden folders (with a name starting by .).

In Ubuntu 20.04, chromium is installed with snap (even when using the command sudo apt install chromium-browser), so chromium can’t open the html file used by Jupyter.

As stated by @rahul-sood, a simple workaround is to copy-paste one of the alternative links given by Jupyter in the terminal (starting by http://localhost:8889/?token= or http://127.0.0.1:8889/?token=).

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