Updated Repository of Debian 10 (Aug 2025)

Standard sources.list for Debian 10 “Buster”

Open the sources.list file with a text editor. Using nano is a common choice:bash

sudo nano /etc/apt/sources.list

Replace any existing lines with the following code. This configuration includes the main, contrib, and non-free components from the archive.bash

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

Save the file and exit the editor. In nano, press Ctrl+X, then Y, then Enter.
Update your package list to fetch the repository information from the new archive source:bash

sudo apt update