https://github.com/deajan/backup-bench
https://github.com/zapalotta/hetznerbackup
https://thomas-leister.de/server-backups-mit-borg/
https://borgbackup.readthedocs.io/en/stable/quickstart.html#a-step-by-step-example
https://decatec.de/linux/backup-strategie-fuer-linux-server-mit-borg-backup/
https://docs.hetzner.com/robot/storage-box/access/access-ssh-rsync-borg/
https://www.stavros.io/posts/holy-grail-backups/