Debian11: echo'# deb https://deb.debian.org/debian bullseye main deb https://deb.debian.org/debian bullseye main deb-src https://deb.debian.org/debian bullseye main deb https://deb.debian.org/debian-security bullseye-security main deb-src https://deb.debian.org/debian-security bullseye-security main # b...