Usa a minha sources.list:
## Apenas BR
deb http://br.archive.ubuntu.com/ubuntu hoary main restricted universe
deb-src http://br.archive.ubuntu.com/ubuntu hoary main restricted universe
deb http://br.archive.ubuntu.com/ubuntu hoary-updates main restricted
deb-src http://br.archive.ubuntu.com/ubuntu hoary-updates main restricted
## Oficial
deb http://security.ubuntu.com/ubuntu hoary-security main restricted
deb-src http://security.ubuntu.com/ubuntu hoary-security main restricted
deb http://security.ubuntu.com/ubuntu hoary-security universe
deb-src http://security.ubuntu.com/ubuntu hoary-security universe
deb http://archive.ubuntu.com/ubuntu hoary multiverse
deb-src http://archive.ubuntu.com/ubuntu hoary multiverse
## Backports
deb http://ubuntu-backports.mirrormax.net/ hoary-backports main universe multiverse restricted
deb http://ubuntu-backports.mirrormax.net/ hoary-extras main universe multiverse restricted
#deb http://mirror.brianpuccio.net/ubuntu-backports-repository/ hoary-backports main universe multiverse restricted
#deb http://mirror.brianpuccio.net/ubuntu-backports-repository/ hoary-extras main universe multiverse restricted
## Skype
deb http://download.skype.com/linux/repos/debian/ stable non-free
## Breezy Badger (experimental)
#deb http://us.archive.ubuntu.com/ubuntu breezy universe
#deb-src http://us.archive.ubuntu.com/ubuntu breezy universe
#deb http://security.ubuntu.com/ubuntu breezy-security main restricted universe
#deb-src http://security.ubuntu.com/ubuntu breezy-security main restricted universe
#deb http://archive.ubuntu.com/ubuntu breezy multiverse
#deb-src http://archive.ubuntu.com/ubuntu breezy multiverse