Min,

In my jupyterhub_config.py file, I have /var/log/jupyterhub.log set for 
logs.  The file gets written to when I start the hub manually (see below). 
 If I start the hub through systemd by restarting the server or 'service 
juypterhub start', nothing is written to the jupyterhub.log file.  Is there 
another location I can pull logs for this?

When I run journalctl -u jupyterhub all I get is:
Starting LSB:  Start jupyterhub...
Started LSB:  Start jupyterhub...


Contents of jupyterhub.log when service started manually:

^[[32m[I 2017-01-09 10:27:01.174 JupyterHub app:724]^[(B^[[m Loading 
cookie_secret from /etc/jupyterhub/jupyterhub_cookie_secret

^[[34m[D 2017-01-09 10:27:01.175 JupyterHub app:796]^[(B^[[m Connecting to 
db: sqlite:///jupyterhub.sqlite

^[[33m[W 2017-01-09 10:27:01.219 JupyterHub app:365]^[(B^[[m

    Generating CONFIGPROXY_AUTH_TOKEN. Restarting the Hub will require 
restarting the proxy.

    Set CONFIGPROXY_AUTH_TOKEN env or JupyterHub.proxy_auth_token config to 
avoid this message.


^[[32m[I 2017-01-09 10:27:01.231 JupyterHub app:892]^[(B^[[m Not using 
whitelist. Any authenticated user will be allowed.

^[[34m[D 2017-01-09 10:27:01.241 JupyterHub app:1085]^[(B^[[m Loading state 
for micdsadmin from db

^[[34m[D 2017-01-09 10:27:01.242 JupyterHub app:1097]^[(B^[[m micdsadmin 
not running.

^[[34m[D 2017-01-09 10:27:01.250 JupyterHub app:1102]^[(B^[[m Loaded users:

    micdsadmin admin

    

^[[32m[I 2017-01-09 10:27:01.258 JupyterHub app:1453]^[(B^[[m Hub API 
listening on http://127.0.0.1:8081/hub/

^[[32m[I 2017-01-09 10:27:01.261 JupyterHub app:1176]^[(B^[[m Starting 
proxy @ http://*:443/

^[[34m[D 2017-01-09 10:27:01.261 JupyterHub app:1177]^[(B^[[m Proxy cmd: 
['configurable-http-proxy', '--ip', '', '--port', '443', '--$

^[[34m[D 2017-01-09 10:27:01.465 JupyterHub app:1205]^[(B^[[m Proxy started 
and appears to be up

^[[32m[I 2017-01-09 10:27:01.466 JupyterHub app:1485]^[(B^[[m JupyterHub is 
now running at http://127.0.0.1:443/

^[[32m[I 2017-01-09 10:27:11.832 JupyterHub app:1332]^[(B^[[m Cleaning up 
single-user servers...

^[[32m[I 2017-01-09 10:27:11.858 JupyterHub app:1343]^[(B^[[m Cleaning up 
proxy[1796]...

^[[32m[I 2017-01-09 10:27:11.859 JupyterHub app:1369]^[(B^[[m ...done


On Monday, January 9, 2017 at 5:38:59 AM UTC-6, Min RK wrote:
>
>
>
> On Fri, Jan 6, 2017 at 11:13 PM, Andy Van Becelaere <[email protected] 
> <javascript:>> wrote:
>
>> I am running Ubuntu 16.04 server on an ec2 instance.
>>
>> Jupyterhub is installed and running properly before applying the 
>> following changes:
>>
>> 1.  Jupyterhub is started at boot as a system service following these 
>> instructions - 
>> https://github.com/jupyterhub/jupyterhub/wiki/Run-jupyterhub-as-a-system-service
>> 2.  Google OAuthentication configuration applied following these 
>> instructions - https://github.com/jupyterhub/oauthenticator
>>
>> Before making changes to /etc/jupyterhub/jupyterhub_config.py for 
>> oauthentication, system service starts, ports are assigned and everything 
>> works correctly. 
>> After making changes for oauthentication, the google authentication works 
>> properly.  Jupyterhub system service doesn't throw any errors, but when I 
>> run netstat -plnt, ports 8081 and 443 are not shown.  If I then start 
>> jupyterhub manually (with the same config file), no errors are thrown and 
>> the ports become active.  If I comment out the oauthentication lines and 
>> reboot, everything works properly again.
>>
>> I hope this is clear.  Any help would be appreciated because I'm stumped!
>>
>
> Can you show the log output of JupyterHub?
>
> -Min
>  
>
>>
>> Thanks in advance,
>>
>> Andy
>>
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