Manual commands (if you'd rather use SSH)
sudo systemctl stop rtl_airband
rtl_tcp -a 0.0.0.0 -p 1234 -d 0
# Ctrl+C when done, then:
sudo systemctl start rtl_airband
In SDR++ on your Mac, Source = rtl_tcp
Sourcertl_tcp
Hosttoneout-node-01.local
Port1234