Install btrbk by entering the following commands in the terminal:
sudo apt update sudo apt install btrbk
Description:
backup tool for btrfs subvolumes
Backup tool for btrfs subvolumes, using a configuration file, allows creation of backups from multiple sources to multiple destinations, with ssh and flexible retention policy support (hourly, daily, weekly, monthly).
Homepage: http://digint.ch/btrbk/
Version: 0.26.0-1
Section: universe/utils