Ok... vou aqui relatar algo que está acontecendo em meu Edgy, já tentei várias sources.list e nada, todas dão o mesmo problema. Aliás, já nem sei mais se é problema com o sources, já fiz por diversas vezes o apt-get clean, apt-get autoclean e o problema persiste, as sources que já tentei são essas:
1. sources.list
## Add comments (##) in front of any line to remove it from being checked.
## Use the following sources.list at your own risk.
deb http://br.archive.ubuntu.com/ubuntu edgy main restricted universe multiverse
## MAJOR BUG FIX UPDATES produced after the final release
deb http://br.archive.ubuntu.com/ubuntu edgy-updates main restricted universe multiverse
## UBUNTU SECURITY UPDATES
deb http://br.archive.ubuntu.com/ubuntu edgy-security main restricted universe multiverse
## BACKPORTS REPOSITORY (Unsupported. May contain illegal packages. Use at own risk.)
deb http://br.archive.ubuntu.com/ubuntu edgy-backports main restricted universe multiverse
## Proposed Repository ( Repositório com pacotes propostos para o Ubuntu pela comunidade )
## Descomentar se quiser usar
deb http://br.archive.ubuntu.com/ubuntu edgy-proposed main restricted universe multiverse
## PLF REPOSITORY (Repositório Internacional, usado para buscar alguns pacotes como o w32codecs)
## descomentar se quiserem usar
deb http://packages.freecontrib.org/plf edgy-plf free non-free
deb-src http://packages.freecontrib.org/plf edgy-plf free non-free
### Automatix
deb http://www.getautomatix.com/apt edgy main
#AUTOMATIX REPOS START
deb http://archive.canonical.com/ubuntu dapper-commercial main
deb http://br.archive.ubuntu.com/ubuntu/ edgy-backports main restricted universe multiverse
deb http://br.archive.ubuntu.com/ubuntu/ edgy-updates restricted universe multiverse
deb http://br.archive.ubuntu.com/ubuntu/ edgy-security main restricted universe multiverse
deb http://br.archive.ubuntu.com/ubuntu/ edgy restricted universe multiverse
deb http://br.archive.ubuntu.com/ubuntu/ edgy-proposed restricted main multiverse universe
#AUTOMATIX REPOS END
2. sources.list
## Lista de repositórios Oficial##
deb http://archive.ubuntu.com/ubuntu/ edgy main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ edgy main restricted universe multiverse
## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu/ edgy-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ edgy-updates main restricted universe multiverse
## Uncomment the following two lines to add software from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://br.archive.ubuntu.com/ubuntu/ edgy universe
deb-src http://br.archive.ubuntu.com/ubuntu/ edgy universe
## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://br.archive.ubuntu.com/ubuntu/ edgy-backports main restricted universe multiverse
deb-src http://br.archive.ubuntu.com/ubuntu/ edgy-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu edgy-security main restricted universe multiverse
deb-src http://security.ubuntu.com/ubuntu edgy-security main restricted universe multiverse
# deb http://security.ubuntu.com/ubuntu edgy-security universe
# deb-src http://security.ubuntu.com/ubuntu edgy-security universe
## INÍCIO DA Lista NÃO OFICIAL, use com sabedoria
## LISTEN GNOME
##Lista para instalar o Listen Gnome, player alternativo para o Amarok no Gnome. Esta lista é a de pacotes instáveis, com as versões mais recentes do Listen. É do Dapper mesmo, mas serve perfeitamente para o Edgy Eft
#deb http://theli.free.fr/packages/ dapper listen listen-unstable
#deb-src http://theli.free.fr/packages/ dapper listen listen-unstable
##Cristhian Marillat (multimidia) - Descomente apenas para instalar os codecs necessários.
## Opção alternativa do Seveas
#deb http://www.debian-multimedia.org sarge main
#deb http://www.debian-multimedia.org etch main
#deb http://www.debian-multimedia.org sid main
## Seveas
# deb http://seveas.imbrandon.com edgy-seveas all
# deb-src http://seveas.imbrandon.com edgy-seveas all
## BRASERO
## Gravador de CDs e DVDs alternativa ao Gnome Baker e K3B
# deb http://mrpouit.tuxfamily.org edgy-pouit extra
# deb-src http://mrpouit.tuxfamily.org edgy-pouit extra
e agora acabei de tentar com a sua, porém todas elas me retornam essas mensagens no final do apt-get upgrade:
Baixados 21,1kB em 1s (11,5kB/s)
Falha ao baixar http://security.ubuntu.com/ubuntu/dists/edgy-security/universe/binary-i386/Packages.bz2 MD5Sum incorreto
Falha ao baixar http://security.ubuntu.com/ubuntu/dists/edgy-security/universe/source/Sources.bz2 MD5Sum incorreto
Falha ao baixar http://archive.ubuntu.com/ubuntu/dists/edgy-updates/main/source/Sources.bz2 MD5Sum incorreto
Falha ao baixar http://archive.ubuntu.com/ubuntu/dists/edgy-backports/universe/source/Sources.bz2 MD5Sum incorreto
Lendo Lista de Pacotes... Pronto
E: Alguns arquivos de índice falharam no download, eles foram ignorados ou os antigos foram usados em seu lugar.
[/colar/
pelamordeDeustôficandoagoniado.... Alguma idéia?