deb http://deb.debian.org/debian/ oldoldstable main contrib non-free
deb-src http://deb.debian.org/debian/ oldoldstable main contrib non-free
deb http://deb.debian.org/debian/ oldoldstable main contrib non-free
deb-src http://deb.debian.org/debian/ oldoldstable main contrib non-free
deb http://deb.debian.org/debian/ oldoldstable main contrib non-free
deb-src http://deb.debian.org/debian/ oldoldstable main contrib non-free
deb http://deb.debian.org/debian-security/ oldoldstable/updates main contrib non-free
deb-src http://deb.debian.org/debian-security/ oldoldstable/updates main contrib non-free
deb http://mirrors.aliyun.com/debian/ buster main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib
deb http://mirrors.aliyun.com/debian-security buster/updates main
deb-src http://mirrors.aliyun.com/debian-security buster/updates main
deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
