Jupyterhub network and/or Configuration errors

[Lance Smith]

 I think I have a simple configuration error, but I can't figure it out. I have a Jupyterhub installation that uses SSL via a certificate that was given to my by our systems administrator. I have a VM that runs jupyterhub remotely and I've configured it by following the instructions
from the install guide. The only changes to jupyterhub_config.py are below.

I have a DNS name, jupyterhub.<mydomain>.org assigned to 10.2.1.52 The hub starts without any errors to the console. When I try to go to the URL, it just hangs and eventually errors out.

If I try to go directly to the Hub API at http://10.2.1.52:443/hub/, I’ll get the login page but I will get caught in a redirect loop and kicked out

 

Error message:

 

Detected possible direct connection to Hub's private ip: http://10.2.1.52:443/hub/user/smithla, bypassing proxy.

                        This will result in a redirect loop.

As far as I can tell, ports 443, 8000 and 8001 are open

root@jupyterhub:/home/smithla/jupyterconfig# netstat -tulnp | grep 443
tcp        0      0 10.2.1.52:443           0.0.0.0:*               LISTEN      4169/python3

root@jupyterhub:/home/smithla/jupyterconfig# netstat -tulnp | grep 8000
tcp6       0      0 :::8000                 :::*                    LISTEN      4173/node

root@jupyterhub:/home/smithla/jupyterconfig# netstat -tulnp | grep 8001
tcp        0      0 127.0.0.1:8001          0.0.0.0:*               LISTEN      4173/node


Thanks,
  Lance Smith


jupyterhub_config.py file

## The ip for this process
c.JupyterHub.hub_ip = '10.2.1.52'

## The port for this process
c.JupyterHub.hub_port = 443

[Charles Forelle]

I think you want c.JupyterHub.ip and c.JupyterHub.port, not hub_ip and hub_port

Does that help?

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[Lance Smith]

Yes, that was it. Once I switched to the correct ip/port config, I restarted and got:

Proxy appears to be running at http://*:8000/, but I can't access it (HTTP 403: Forbidden)
Did CONFIGPROXY_AUTH_TOKEN change

But one google search later and I found out I had to kill the node process with:

sudo pkill node

One restart after that and all is running. Thanks for your help.