- deb http://localhost/raspbian stretch main non-free firmware rpi
- deb http://localhost/rpidebian stretch main
+ deb http://${approxhost}/raspbian stretch main non-free firmware rpi
+ deb http://${approxhost}/rpidebian stretch main
+ deb http://${approxhost}/raspbian buster main non-free firmware rpi
+ deb http://${approxhost}/rpidebian buster main