Comment by rsync

"Rclone is a fantastic tool, but my favorite part of it is actually the underyling FS library."

Related to this is the very useful:

  rclone serve restic ...

.. workflow that allows you to create append-only (immutable) backups.

This howto is not rsync.net-specific - you can follow this recipe at any standard SSH endpoint:

https://www.rsync.net/resources/notes/2025-q4-rsync.net_tech...