deb http://security.debian.org/ stretch/updates main
deb-src http://security.debian.org/ stretch/updates main
-# stretch-updates, previously known as 'volatile'
deb http://mirrors.linode.com/debian/ stretch-updates main
deb-src http://mirrors.linode.com/debian/ stretch-updates main
deb http://mirrors.linode.com/debian/ stretch-backports main
deb-src http://mirrors.linode.com/debian/ stretch-backports main
-
-deb http://mirrors.linode.com/debian stretch main
-deb-src http://mirrors.linode.com/debian stretch main
-
-deb http://security.debian.org/ stretch/updates main
-deb-src http://security.debian.org/ stretch/updates main
-
-deb http://mirrors.linode.com/debian stretch-updates main
-deb-src http://mirrors.linode.com/debian stretch-updates main
-
-deb http://mirrors.linode.com/debian unstable main
-deb-src http://mirrors.linode.com/debian unstable main