And we're good. Proof of concept is operational.

Hardware: #RaspberryPi 5 4Gb, cooler, X1004 hat, spare 480Gb M.2 stick, P579 case, #Geekworm PSU. Under $200.

Software: Latest Pi OS Lite and some SSH config work. On my Mac, a bunch of #zsh scripts wrapped with #Platypus.

Achieved: on-demand rsync of all my important #Mac folders (about 150Gb) with 1 click. Now the first sync is done, each sync only takes a minute. Zillion times faster than #syncthing on my #Diskstations.

End of thread.