Problem with Spawning jupyterhub singleuser from a directory other than /hom/user dir

[Anis Chihi]

Hello Everybody,

So I am pretty new to jupyterhub, and I am trying to set it up. So far so good, I could launch it on a server and have it work. Still I am facing one problem and I could not find a solution anywhere:

When I lauch jupyterhub, it is spawned in /home/user directory. Say I launch it as USER1, I end up in my notebook interface in /home/USER1/tree?. Same happens for USER2. Now I would like to spawn in a different directory. I added c.Spawner.notebook_dir = '/root/code/content-analytics/'  in my config file which I share with you below:

  

c = get_config()

import os

pjoin = os.path.join

runtime_dir = os.path.join('/srv/jupyterhub')

#Configuring ssl and access port

c.JupyterHub.ssl_key = '/etc/letsencrypt/live/blabla/privkey.pem'

c.JupyterHub.ssl_cert = '/etc/letsencrypt/live/blabla/fullchain.pem'

c.JupyterHub.port = 443

# put the JupyterHub cookie secret and state db

# in /var/run/jupyterhub

c.JupyterHub.cookie_secret_file = pjoin(runtime_dir, 'cookie_secret')

c.JupyterHub.db_url = pjoin(runtime_dir, 'jupyterhub.sqlite')

# put the log file in /var/log

c.JupyterHub.extra_log_file = '/var/log/jupyterhub.log'

from oauthenticator.github import LocalGitHubOAuthenticator

c.JupyterHub.authenticator_class = LocalGitHubOAuthenticator

c.LocalGitHubOAuthenticator.create_system_users = True

#Users list

c.Authenticator.add_user_cmd =  ['adduser', '--home', '/home/USERNAME']

c.Authenticator.admin_users={'USER1'}

c.Authenticator.whitelist = {'USER1','USER2'}

#Spawn where

#c.Spawner.notebook_dir = '/root/code/content-analytics/'

Now when I run "jupyterhub -f myconfig, everything works fine. When I click over start my server on the Juypterhub GUI I get this log in my console and 500 internal error on my browser:

Spawning jupyterhub-singleuser --user=USER1 --port=39928 --cookie-name=jupyter-hub-token-adaanis --base-url=/user/USER1 --hub-host= --hub-prefix=/hub/ --hub-api-url=http://127.0.0.1:8081/hub/api --ip=127.0.0.1 --notebook-dir=/root/code/content-analytics/

The Jupyter HTML Notebook.

This launches a Tornado based HTML Notebook Server that serves up an

HTML5/Javascript Notebook client.

Subcommands

-----------

Subcommands are launched as `jupyter-notebook cmd [args]`. For information on

using subcommand 'cmd', do: `jupyter-notebook cmd -h`.

list

    List currently running notebook servers.

Options

-------

Arguments that take values are actually convenience aliases to full

Configurables, whose aliases are listed on the help line. For more information

on full configurables, see '--help-all'.

--no-browser

    Don't open the notebook in a browser after startup.

--script

    DEPRECATED, IGNORED

--disable-user-config

    Disable user-controlled configuration of the notebook server.

--generate-config

    generate default config file

--debug

    set log level to logging.DEBUG (maximize logging output)

--pylab

    DISABLED: use %pylab or %matplotlib in the notebook to enable matplotlib.

--no-script

    DEPRECATED, IGNORED

--no-mathjax

    Disable MathJax

    

    MathJax is the javascript library Jupyter uses to render math/LaTeX. It is

    very large, so you may want to disable it if you have a slow internet

    connection, or for offline use of the notebook.

    

    When disabled, equations etc. will appear as their untransformed TeX source.

-y

    Answer yes to any questions instead of prompting.

--certfile=<Unicode> (NotebookApp.certfile)

    Default: ''

    The full path to an SSL/TLS certificate file.

--user=<CUnicode> (SingleUserNotebookApp.user)

    Default: ''

--client-ca=<Unicode> (NotebookApp.client_ca)

    Default: ''

    The full path to a certificate authority certificate for SSL/TLS client

    authentication.

--log-level=<Enum> (Application.log_level)

    Default: 30

    Choices: (0, 10, 20, 30, 40, 50, 'DEBUG', 'INFO', 'WARN', 'ERROR', 'CRITICAL')

    Set the log level by value or name.

--hub-api-url=<Unicode> (SingleUserNotebookApp.hub_api_url)

    Default: ''

--hub-host=<Unicode> (SingleUserNotebookApp.hub_host)

    Default: ''

--transport=<CaselessStrEnum> (KernelManager.transport)

    Default: 'tcp'

    Choices: ['tcp', 'ipc']

--browser=<Unicode> (NotebookApp.browser)

    Default: ''

    Specify what command to use to invoke a web browser when opening the

    notebook. If not specified, the default browser will be determined by the

    `webbrowser` standard library module, which allows setting of the BROWSER

    environment variable to override it.

--hub-prefix=<Unicode> (SingleUserNotebookApp.hub_prefix)

    Default: ''

--keyfile=<Unicode> (NotebookApp.keyfile)

    Default: ''

    The full path to a private key file for usage with SSL/TLS.

--pylab=<Unicode> (NotebookApp.pylab)

    Default: 'disabled'

    DISABLED: use %pylab or %matplotlib in the notebook to enable matplotlib.

--config=<Unicode> (JupyterApp.config_file)

    Default: ''

    Full path of a config file.

--base-url=<Unicode> (SingleUserNotebookApp.base_url)

    Default: '/'

    The base URL for the notebook server.

    Leading and trailing slashes can be omitted, and will automatically be

    added.

--port-retries=<Int> (NotebookApp.port_retries)

    Default: 50

    The number of additional ports to try if the specified port is not

    available.

--notebook-dir=<Unicode> (NotebookApp.notebook_dir)

    Default: ''

    The directory to use for notebooks and kernels.

--cookie-name=<Unicode> (SingleUserNotebookApp.cookie_name)

    Default: ''

--port=<Int> (NotebookApp.port)

    Default: 8888

    The port the notebook server will listen on.

--ip=<Unicode> (NotebookApp.ip)

    Default: 'localhost'

    The IP address the notebook server will listen on.

To see all available configurables, use `--help-all`

Examples

--------

    jupyter notebook                       # start the notebook

    jupyter notebook --certfile=mycert.pem # use SSL/TLS certificate

[C 2017-03-16 11:53:28.662 SingleUserNotebookApp application:90] Bad config encountered during initialization:

[C 2017-03-16 11:53:28.662 SingleUserNotebookApp application:91] No such notebook dir: '/root/code/content-analytics/'

Now the two last lines I think could summarise the error. the dir /root/code/content-analytics/  exists indeed ! I have no Idea what I have been doing wrong. Help me and you will get my eternal recognition :)

Thanks a lot

[MinRK]

It may be a permission issue - it’s likely that /root/ is owned by root and only root-readable, which means subdirectories in there won’t be accessible to other users. Can you try another location, such as one inside their home directories or a public location, such as /home/?

-Min

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[David Doherty]

Did you resolve this?