This page explains significant admin commands. These are only available to a system administrator using the command line. They are not available, for example, to support staff using the web GUI.
Broadly speaking, ldh_middleware replaces manage.py calls. If you are using a virtual environment, you will need to enter the venv before calling ldh_middleware.
Lists all available commands.
ldh_middleware help foo
Lists help for command foo
ldh_middleware extend_subscription [--days n] <user@domain>
Extend user's active subscription by n number of days. If --days parameter is not used the user subscription will be extended for 5 days.