> ## Documentation Index
> Fetch the complete documentation index at: https://anaconda.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Adding a user to your JupyterHub

Adding users to your JupyterHub instance involves using a Linux command.

1. Log in to your JupyterHub instance as an administrator user with root access.
2. Run the following command to add the user to the JuypterHub instance.

```sh theme={null}
# Replace <USERNAME> with the users keycloak username
adduser <USERNAME>
```

<Warning>
  If you do not add the user to JupyterHub, they will receive a 500 internal service error message when they attempt to access JupyterHub in the browser.
</Warning>