borg

Prune : keep only 1 save 1 week - 4 weeks - 6 months ; remove others.

borg prune -v --list --stats --keep-daily=7 --keep-weekly=4 --keep-monthly=6 $DESTINATION

Create a new save (put this into a daily cronjob for instance)

borg create $DESTINATION::autobackup-{now} $ORIGIN --progress

List backups

borg list /repo

Mount backups

borg mount /repo archive