OK.. let's to the point
type "/etc/apt/sources.list" in the terminal
exalmple sorces.list for debian 9 stretch indonesian
deb http://kambing.ui.ac.id/debian/ stretch main contrib non-free
deb http://kambing.ui.ac.id/debian/ stretch-update main contrib non-free
deb http://kambing.ui.ac.id/debian-security/ stretch/update main contrib non-free
You can change to your local repository or you can click this link if you not understand with my blog
OK... thanks for reading
I hope my blog is useful
see you later
