Настраиваем репозитория. Редактируем файл sources.list:

sudo nano /etc/apt/sources.list

Debian 13

# OFFICIAL DEBIAN REPOS

deb http://deb.debian.org/debian/ trixie main contrib non-free non-free-firmware
deb-src http://deb.debian.org/debian/ trixie main contrib non-free non-free-firmware

deb http://security.debian.org/debian-security trixie-security main contrib non-free non-free-firmware
deb-src http://security.debian.org/debian-security trixie-security main contrib non-free non-free-firmware

deb http://deb.debian.org/debian/ trixie-updates main contrib non-free non-free-firmware
deb-src http://deb.debian.org/debian/ trixie-updates main contrib non-free non-free-firmware

deb http://deb.debian.org/debian/ trixie-backports main contrib non-free non-free-firmware
deb-src http://deb.debian.org/debian/ trixie-backports main contrib non-free non-free-firmware

deb http://deb.debian.org/debian/ trixie-proposed-updates main contrib non-free non-free-firmware
deb-src http://deb.debian.org/debian/ trixie-proposed-updates main contrib non-free non-free-firmware

Debian 12

# OFFICIAL DEBIAN REPOS

deb http://deb.debian.org/debian/ bookworm main contrib non-free non-free-firmware
deb-src http://deb.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

deb http://deb.debian.org/debian/ bookworm-updates main contrib non-free-firmware
deb-src http://deb.debian.org/debian/ bookworm-updates main contrib non-free-firmware

deb http://deb.debian.org/debian/ bookworm-backports main contrib non-free non-free-firmware
deb-src http://deb.debian.org/debian/ bookworm-backports main contrib non-free non-free-firmware

deb http://deb.debian.org/debian/ bookworm-proposed-updates main contrib non-free non-free-firmware
deb-src http://deb.debian.org/debian/ bookworm-proposed-updates main contrib non-free non-free-firmware

Debian 11

# OFFICIAL DEBIAN REPOS

deb http://deb.debian.org/debian/ bullseye main contrib non-free
deb-src http://deb.debian.org/debian/ bullseye main contrib non-free

deb http://security.debian.org/debian-security/ bullseye-security main contrib non-free
deb-src http://security.debian.org/debian-security/ bullseye-security main contrib non-f>

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

deb http://deb.debian.org/debian/ bullseye-backports main contrib non-free
deb-src http://deb.debian.org/debian/ bullseye-backports main contrib non-free

# OFFICIAL DEBIAN REPOS

deb http://ftp.ru.debian.org/debian/ bullseye main contrib non-free
deb-src http://ftp.ru.debian.org/debian/ bullseye main contrib non-free

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

deb http://ftp.ru.debian.org/debian/ bullseye-updates main contrib non-free
deb-src http://ftp.ru.debian.org/debian/ bullseye-updates main contrib non-free

deb http://ftp.ru.debian.org/debian/ bullseye-backports main contrib non-free
deb-src http://ftp.ru.debian.org/debian/ bullseye-backports main contrib non-free

deb http://ftp.ru.debian.org/debian/ bullseye-proposed-updates main contrib non-free
deb-src http://ftp.ru.debian.org/debian/ bullseye-proposed-updates main contrib non-free

Обновляем список пакетов:

sudo apt update