I installed Debian 11 (Bullseye) onto a device with no internet. I used the "firmware CD" version of the ISO. I have configured the network, so I can do
ping 220.127.116.11. I tried to run
sudo apt update, but I discovered that there weren't any sources in the
sources.list file (e.g., it was empty).
I found this question, but it is for Debian Jessie, not Bullseye.
I would also like
non-free packages. How can I restore the default repositories, as if I had installed Debian with an internet connection?