Linux can do literally any backup plan you want, to anywhere you want, with the click of a few buttons. You almost have too many options that all work great.
Doesn’t r sync also ship with like everything? Ya I know - a scary command line - but anyone online could help you in one minute. Ask a few questions, ok here’s this crazy long command that looks scary, but it’s really not that bad. Just run this command when you want to do a backup and your good. Come back here if you need help restoring (hint boot into another live environment and swap the source and destination and run it backwards)
Linux backups are cake.