Package files:
100 /var/lib/dpkg/status
release a=now
500 http://security.debian.org buster/updates/main amd64 Packages
release v=10,o=Debian,a=oldstable,n=buster,l=Debian-Security,c=main,b=amd64
origin security.debian.org
500 http://httpredir.debian.org/debian buster-updates/main amd64 Packages
release o=Debian,a=oldstable-updates,n=buster-updates,l=Debian,c=main,b=amd64
origin httpredir.debian.org
500 http://httpredir.debian.org/debian buster/main amd64 Packages
release v=10.11,o=Debian,a=oldstable,n=buster,l=Debian,c=main,b=amd64
origin httpredir.debian.org
Pinned packages:
deb http://httpredir.debian.org/debian buster main
deb http://httpredir.debian.org/debian buster-updates main
deb http://security.debian.org buster/updates main
deb http://mirror.hetzner.de/debian/packages stretch main contrib non-free
deb http://mirror.hetzner.de/debian/security stretch/updates main contrib non-free
deb http://mirror.hetzner.de/debian/packages stretch-updates main contrib non-free
deb http://ftp.de.debian.org/debian/ stretch main non-free contrib
deb http://security.debian.org/debian-security stretch/updates main contrib non-free
deb http://ftp.de.debian.org/debian/ stretch-updates main contrib non-free