Syncthing has been so good. It's a little finicky to setup, but it literally never fails after that. It's quiet magic! That replicates things across devices. F

Syncthing has been so good. It's a little finicky to setup, but it literally never fails after that. It's quiet magic! That replicates things across devices. For actual backups I'd use rsync, mostly because I already have all the scripts to make progressive backups with hard links.