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# JupyterHub First Use Authenticator # # JupyterHub First Use Authenticator #
A JupyterHub Authenticator that lets users set their password when they first login. A [JupyterHub](https://jupyterhub.readthedocs.io) authenticator that helps new users set their password on their first login to JupyterHub.
Very useful for transient JupyterHubs being used from a single physical location (such as a workshop), where multiple users need to log in but do not have a pre-existing authentication setup. With this, they can just pick a username and password and go! **Are you running a workshop from a single physical location, such as a university seminar or a user group?**
JupyterHub First Use Authenticator can simplify the user set up for you. It's very useful when using transient
JupyterHub instances in a single physical location. It allows multiple users to log in, but you do not have install a pre-existing authentication setup. With this authenticator, users can just pick a username and password and get to work!
## Installation ## ## Installation ##
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pip install jupyterhub-firstuseauthenticator pip install jupyterhub-firstuseauthenticator
``` ```
Once installed, you can have JupyterHub use it by adding the following to your `jupyterhub_config.py` file: Once installed, configure JupyterHub to use it by adding the following to your `jupyterhub_config.py` file:
```python ```python
c.JupyterHub.authenticator_class = 'firstuseauthenticator.FirstUseAuthenticator' c.JupyterHub.authenticator_class = 'firstuseauthenticator.FirstUseAuthenticator'
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## Configuration ## ## Configuration ##
It works out of the box as advertized. There is one configuration parameter you can tweak. It works out of the box as advertised. There is one configuration parameter, `dbm_path`, which you can tweak.
### FirstUseAuthenticator.dbm_path ### ### FirstUseAuthenticator.dbm_path ###
Path to the [dbm](https://docs.python.org/3.1/library/dbm.html) file used to store usernames and passwords. Put this somewhere where regular users do not have read/write access to it. Path to the [dbm](https://docs.python.org/3.5/library/dbm.html) file, or a UNIX database file such as `passwords.dbm`, used to store usernames and passwords. The dbm file should be put where regular users do not have read/write access to it.
Defaults to `passwords.dbm` in the current directory from which JupyterHub is spawned. This authenticator's default setting for the path to the `passwords.dbm` is the current directory from which JupyterHub is spawned.