O apt-setup foi retirado, os repositórios oficiais. /etc/apt/sources.list deb http://security.debian.org/ etch/updates main contrib # Line commented out by installer because it failed to verify: deb http://ftp.br.debian.org/debian/ etch main contrib non-freedeb http://volatile.debian.org/debian-volatile/ etch-proposed-updates/volatile main contrib non-free