Run Jupyter Notebook in Ubuntu 18.04 Gen2 failed with "https" instead of "http"

Question

Do you know why Jupyter notebook gets launched in "https" instead of "http"?
I just normally created a VM with Ubuntu 18.04 Gen2 and run below commands for Jupyter Notebook, but unfortunately, it's launched in "https" so that it will not work with http://127.0.0.1:8891. Do you now how I can fix/modify to run it in "http"?

It was successful for Jupyter Notebook to be launched with "http" when I created the VM first time.

Then I needed to switch the VM to a new one, so I re-create it again, then Jupyter Notebook gets always launched with "https" instead of "http".

Is there anyone who has the same experiences?

In my local:

bash-3.2$ ssh -i ~/.ssh/newdata558_key.pem -N -f -L localhost:8891:localhost:8891 azureuser@52.142.10.125 (Links to an external site.)

In VM:

azureuser@newdata558:~$ jupyter notebook --no-browser --port=8891 --ip=0.0.0.0

Problems:

https://127.0.0.1:8891 (Links to an external site.) instead of http://127.0.0.1:8891

Logs below:

[W 2021-05-24 00:33:59.342 LabApp] 'port' has moved from NotebookApp to ServerApp. This config will be passed to ServerApp. Be sure to update your config before our next release.

[W 2021-05-24 00:33:59.342 LabApp] 'ip' has moved from NotebookApp to ServerApp. This config will be passed to ServerApp. Be sure to update your config before our next release.

[W 2021-05-24 00:33:59.342 LabApp] 'certfile' has moved from NotebookApp to ServerApp. This config will be passed to ServerApp. Be sure to update your config before our next release.

[W 2021-05-24 00:33:59.342 LabApp] 'keyfile' has moved from NotebookApp to ServerApp. This config will be passed to ServerApp. Be sure to update your config before our next release.

[I 2021-05-24 00:33:59.352 LabApp] JupyterLab extension loaded from /anaconda/envs/py38_default/lib/python3.8/site-packages/jupyterlab

[I 2021-05-24 00:33:59.352 LabApp] JupyterLab application directory is /anaconda/envs/py38_default/share/jupyter/lab

[I 00:33:59.357 NotebookApp] Serving notebooks from local directory: /home/azureuser

[I 00:33:59.357 NotebookApp] Jupyter Notebook 6.3.0 is running at:

[I 00:33:59.357 NotebookApp] https://newdata558:8891/?token=65e9b94ce1dd96c4ab18ab7231b36f610818e03bf5c5e060

[I 00:33:59.357 NotebookApp] or https://127.0.0.1:8891/?token=65e9b94ce1dd96c4ab18ab7231b36f610818e03bf5c5e060

[I 00:33:59.357 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).

[C 00:33:59.361 NotebookApp]

To access the notebook, open this file in a browser:

    file:///home/azureuser/.local/share/jupyter/runtime/nbserver-23996-open.html

Or copy and paste one of these URLs:

    https://newdata558:8891/?token=65e9b94ce1dd96c4ab18ab7231b36f610818e03bf5c5e060

 or https://127.0.0.1:8891/?token=65e9b94ce1dd96c4ab18ab7231b36f610818e03bf5c5e060

[W 00:34:09.508 NotebookApp] SSL Error on 9 ('127.0.0.1', 50762): [SSL: SSLV3_ALERT_CERTIFICATE_UNKNOWN] sslv3 alert certificate unknown (_ssl.c:1125)

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ReplyReply to Azure VM: Jupyter Notebook gets generated with "https" instead of "http"

Answer

@Kathy Morimoto Thank you for your query!!!

As mentioned here

Every JupyterHub deployment should enable HTTPS!

HTTPS encrypts traffic so that usernames, passwords and your data are communicated securely. sensitive bits of information are communicated securely. The Littlest JupyterHub supports automatically configuring HTTPS via Let’s Encrypt, or setting it up manually with your own TLS key and certificate. Unless you have a strong reason to use the manual method, you should use the Let’s Encrypt method.

Also as mentioned here:

To access JupyterHub from the public Internet, you must have port 8000 open.

You can try to connect to Jupyter from port 8000 and check if it is working for you or not.

A similar issue has been reported here and as per the proposed solution:

you should connect Jupyter notebook from port 8000, not 9999.

You can access the Jupyter notebook server from any host. Just type https://:8000/

As for https these might be the configuration at the time of VM creation.

Run Jupyter Notebook in Ubuntu 18.04 Gen2 failed with "https" instead of "http"

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