'Cannot open Jupyter Notebook in Ubuntu system

I am trying to open Jupyter Notebook from Ubuntu terminal, but it fails to start because of permission issues. Specifically, a webpage would open up in the Firefox browser, which displays the error message

The file at /home/<user>/.local/share/jupyter/runtime/nbserver-61219-open.html is not readable.

I have found an similar issue at Cannot open new Jupyter Notebook [Permission Denied], which suggests that I should change the ownership of the folder by typing the command

sudo chown -R <user>:<user> ~/.local/share/jupyter

However, this did not work for me. I have also tried other suggestions from https://github.com/microsoft/WSL/issues/3608. The commands sudo jupyter-notebook --allow-root or sudo jupyter notebook --allow-root result in errors saying that the commands are not found. I have also tried chmod -R 777 <my directory>, and the same error still occur.

I realize that at runtime, Jupyter Notebook produces a .html file and a .json file in /home/<user>/.local/share/jupyter/runtime/, the directory where the permission error is reported. By running ls -l on this directory during runtime, it seems like I (both the user and the group) do not have execute permission on these two files, but have read and write permissions. Is this the cause to my problem? How can I fix this?

(Additionally, I installed Jupyter Notebook using pip inside the conda base environment, and all the above commands are executed in the same environment)

Specs:

  • Ubuntu version: 21.10

  • Jupyter Notebook version: 6.4.5

  • Miniconda version: 4.10.3

  • Python version: 3.9.5

  • Web browser: Firefox

pythonlinuxubuntujupyter-notebookjupyter


Solution 1:[1]

Try changing the version of the Jupyter Notebook installed. It worked for me ( I am using Ubuntu 22.04 pre release).

Type the following in terminal: pip install notebook==5.6.0

Solution 2:[2]

Ubuntu switched Firefox to a snap in 21.10. Snaps can't open files under directories that are hidden in your home directory, like ~/.local.

I have the same issue and am hoping for a solution less drastic than removing the snap and reinstalling Firefox using apt.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Ankush Soni
Solution 2 user2529729

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