root@vm-host:~# cat /etc/apt/sources.list
deb http://ftp.us.debian.org/debian/ bookworm main contrib non-free non-free-firmware
deb-src http://ftp.us.debian.org/debian/ bookworm main contrib non-free non-free-firmware
deb http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
deb-src http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
# bookworm-updates, previously known as 'volatile'
deb http://ftp.us.debian.org/debian/ bookworm-updates main contrib non-free non-free-firmware
deb-src http://ftp.us.debian.org/debian/ bookworm-updates main contrib non-free non-free-firmware