install ssh:
run headless:
https://superuser.com/questions/746803/how-to-turn-a-desktop-linux-box-headless
time-machine enable incl hfs-r/w:
https://www.howtogeek.com/276468/how-to-use-a-raspberry-pi-as-a-networked-time-machine-drive-for-your-mac/
install netatalk:
https://wiki.ubuntuusers.de/netatalk/
–> if you enable firewall, open also port 22 (o.ä.) for ssh otherwise it won’t work. for smb open port 445
install samba:
https://ton.zimt.at/2016/11/09/live-fotos-ueber-raspberry-pi-auf-pandoras-box-in-20sec/
externe hdd automatisch einbinden:
https://wiki.ubuntuusers.de/Automount/
samba setup on rasppi:
https://www.abelectronics.co.uk/kb/article/1057/samba-setup-on-raspberry-pi