sources.list.buster

deb http://httpredir.debian.org/debian buster main contrib non-free
#deb-src http://httpredir.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian          buster         main contrib non-free
#deb http://security.debian.org/ buster/updates main contrib non-free
#deb-src http://security.debian.org/ buster/updates main contrib non-free

deb http://archive.ev3dev.org/debian buster main
#deb-src http://archive.ev3dev.org/debian buster main