Proxmox Backup Server is an enterprise backup solution, for backing up and restoring VMs, containers, and physical hosts. By supporting incremental, fully deduplicated backups, Proxmox Backup Server significantly reduces network load and saves valuable storage space. Thanks to this HostBill integration you can seamlessly and automatically sell backup services and measure and bill your customers for backup space usage. Once configured, HostBill automation takes care of the whole account lifecycle, from creating the account, through possible upgrades and downgrades to termination. Client panel allows to show connection details for the user and datastore while admin area enables to manage billing, track resource usage through metrics and control account lifecycle.