Исправление Deleted, (текущая версия) :
deb http://httpredir.debian.org/debian stretch main contrib non-free
deb-src http://httpredir.debian.org/debian stretch main contrib non-free
deb http://httpredir.debian.org/debian stretch-updates main contrib non-free
deb-src http://httpredir.debian.org/debian stretch-updates main contrib non-free
deb http://security.debian.org/ stretch/updates main contrib non-free
deb-src http://security.debian.org/ stretch/updates main contrib non-free
#deb http://httpredir.debian.org/debian stretch-backports main contrib non-free
#deb-src http://httpredir.debian.org/debian stretch-backports main contrib non-freeapt-get update && apt-get upgrade -y && apt-get dist-upgrade -yИсходная версия Deleted, :
deb http://httpredir.debian.org/debian unstable main contrib non-free
deb-src http://httpredir.debian.org/debian unstable main contrib non-free
deb http://httpredir.debian.org/debian stretch-updates main contrib non-free
deb-src http://httpredir.debian.org/debian stretch-updates main contrib non-free
deb http://security.debian.org/ stretch/updates main contrib non-free
deb-src http://security.debian.org/ stretch/updates main contrib non-free
#deb http://httpredir.debian.org/debian stretch-backports main contrib non-free
#deb-src http://httpredir.debian.org/debian stretch-backports main contrib non-freeapt-get update && apt-get upgrade -y && apt-get dist-upgrade -y