# deb cdrom:[Debian GNU/Linux 9.0.0 _Stretch_ - Official amd64 NETINST 20170617-13:06]/ stretch main

#deb cdrom:[Debian GNU/Linux 9.0.0 _Stretch_ - Official amd64 NETINST 20170617-13:06]/ stretch main

deb http://ftp.icm.edu.pl/pub/Linux/debian/ buster main contrib non-free
deb-src http://ftp.icm.edu.pl/pub/Linux/debian/ buster main contrib non-free

deb http://security.debian.org/debian-security buster/updates main contrib non-free
deb-src http://security.debian.org/debian-security buster/updates main contrib non-free

# stretch-updates, previously known as 'volatile'
deb http://ftp.icm.edu.pl/pub/Linux/debian/ buster-updates main contrib non-free
deb-src http://ftp.icm.edu.pl/pub/Linux/debian/ buster-updates main contrib non-free