<div>Just for clarity, full contents of file /etc/apt/sources.list.d/debian.sources in example above:</div><div>```</div><div><div><div>root@9925b7386ff9:/# cat /etc/apt/sources.list.d/debian.sources</div><div>Types: deb deb-src</div><div># http://snapshot.debian.org/archive/debian/20251229T000000Z</div><div>URIs: http://deb.debian.org/debian</div><div>Suites: bookworm bookworm-updates</div><div>Components: main</div><div>Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg</div><div> </div><div>Types: deb deb-src</div><div># http://snapshot.debian.org/archive/debian-security/20251229T000000Z</div><div>URIs: http://deb.debian.org/debian-security</div><div>Suites: bookworm-security</div><div>Components: main</div><div>Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg</div><div>root@9925b7386ff9:/#</div></div></div><div>```</div>