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B4: Better Btrfs Backups

B4 is a backup tool that creates and maintains backups of your data on a Btrfs filesystem. It creates snapshots of subvolumes and sends them to a remote machine. It handles rotation schedules and cleanup of old backups and is designed to be flexible and can be used in scripts.

  • Setup and install


    Setup prerequisites and install B4 on your system

    Install

  • CLI Reference


    Learn how to use B4 from the command line

    CLI Reference

  • Examples and use cases


    Learn how to use B4 with examples and use cases

    Examples

  • Terminology


    Learn the terminology used in B4, for a better understanding of the examples and reference

    Terminology