Use wiedehopf’s script to install the airspy decoder and readsb: GitHub - wiedehopf/airspy-conf: Configure airspy_adsb for use with readsb or piaware.
The airspy thread is here: HOWTO: Airspy mini and Airspy R2: Piaware / dump1090-fa configuration
Once the decoder is installed, you can install whichever feeders you want to use.