In case you forgot your filespace user password, please review the following article:
Forgotten password for filespace user account

Filespace user passwords can be changed through the LucidLink client.

Any user can change their password when they are logged in. The root user can change any user password through user management in the control panel.

To change your password, navigate to the LucidLink Home screen, select a connected filespace and look for the three dots next to the user name:

This will prompt you to the "Change Password" screen:

or via our command-line interface.

usage: Lucid password [options]

Change your password

Options:
    --old password           Your current password
    --new password           Your new password

Example:

    Lucid password --old <currentpassword> --new <newpassword>