We can now start JupyterHub directly from the command line:


This results in the following display that will appear in the command console window:

[I 2016-08-28 14:30:57.895 JupyterHub app:643] Writing cookie_secret to /Users/dtoomey/jupyterhub_cookie_secret 
[W 2016-08-28 14:30:57.953 JupyterHub app:304]  
    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. 
[W 2016-08-28 14:30:57.962 JupyterHub app:757] No admin users, admin interface will be unavailable. 
[W 2016-08-28 14:30:57.962 JupyterHub app:758] Add any administrative users to `c.Authenticator.admin_users` in config. 
[I 2016-08-28 14:30:57.962 ...

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