O seguinte erro é mostrado quando executo "#apt-get update":
Err http://archive.canonical.com karmic Release.gpg
Não foi possível conectar em 200.179.66.242:8080 (200.179.66.242). - connect (110: Tempo esgotado para conexão)
Ign http://br.archive.ubuntu.com karmic/universe Packages
Ign http://br.archive.ubuntu.com karmic/main Sources
Ign http://br.archive.ubuntu.com karmic/universe Sources
Ign http://br.archive.ubuntu.com karmic-security/main Packages
Ign http://br.archive.ubuntu.com karmic-security/universe Packages
Ign http://br.archive.ubuntu.com karmic-security/main Sources
Ign http://br.archive.ubuntu.com karmic-security/universe Sources
Err http://packages.medibuntu.org karmic/free Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://download.skype.com stable/non-free Packages
Desabilitado para conectar com 200.179.66.242:8080:
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://ppa.launchpad.net karmic/main Sources
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://br.archive.ubuntu.com karmic-updates/main Packages
Ign http://br.archive.ubuntu.com karmic-updates/universe Packages
Ign http://br.archive.ubuntu.com karmic-updates/main Sources
Ign http://br.archive.ubuntu.com karmic-updates/universe Sources
Ign http://br.archive.ubuntu.com karmic-proposed/main Packages
Ign http://br.archive.ubuntu.com karmic-proposed/universe Packages
Ign http://br.archive.ubuntu.com karmic-proposed/main Sources
Ign http://br.archive.ubuntu.com karmic-proposed/universe Sources
Ign http://br.archive.ubuntu.com karmic/main Packages
Ign http://br.archive.ubuntu.com karmic/universe Packages
Err http://packages.medibuntu.org karmic/non-free Packages
Desabilitado para conectar com 200.179.66.242:8080:
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://ppa.launchpad.net karmic/main Sources
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://br.archive.ubuntu.com karmic/main Sources
Ign http://br.archive.ubuntu.com karmic/universe Sources
Ign http://br.archive.ubuntu.com karmic-security/main Packages
Ign http://br.archive.ubuntu.com karmic-security/universe Packages
Ign http://br.archive.ubuntu.com karmic-security/main Sources
Ign http://br.archive.ubuntu.com karmic-security/universe Sources
Ign http://br.archive.ubuntu.com karmic-updates/main Packages
Ign http://br.archive.ubuntu.com karmic-updates/universe Packages
Ign http://br.archive.ubuntu.com karmic-updates/main Sources
Ign http://br.archive.ubuntu.com karmic-updates/universe Sources
Ign http://ppa.launchpad.net karmic/main Packages
Ign http://ppa.launchpad.net karmic/main Packages
Err http://ppa.launchpad.net karmic/main Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://ppa.launchpad.net karmic/main Sources
Desabilitado para conectar com 200.179.66.242:8080:
Ign http://br.archive.ubuntu.com karmic-proposed/main Packages
Ign http://br.archive.ubuntu.com karmic-proposed/universe Packages
Ign http://br.archive.ubuntu.com karmic-proposed/main Sources
Ign http://br.archive.ubuntu.com karmic-proposed/universe Sources
Err http://br.archive.ubuntu.com karmic/main Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic/universe Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://ppa.launchpad.net karmic/main Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-security/main Sources
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-security/universe Sources
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-updates/main Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-updates/universe Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-updates/main Sources
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-updates/universe Sources
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-proposed/main Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-proposed/universe Packages
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-proposed/main Sources
Desabilitado para conectar com 200.179.66.242:8080:
Err http://br.archive.ubuntu.com karmic-proposed/universe Sources
Desabilitado para conectar com 200.179.66.242:8080:
W: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/karmic/Release.gpg Não foi possível conectar em 200.179.66.242:8080 (200.179.66.242). - connect (110: Tempo esgotado para conexão)
W: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/karmic/main/i18n/Translation-pt_BR.bz2 Desabilitado para conectar com 200.179.66.242:8080:
W: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/karmic/universe/i18n/Translation-pt_BR.bz2 Desabilitado para conectar com 200.179.66.242:8080:
E: Alguns arquivos de índice falharam para baixar, eles foram ignorados ou os antigos foram usados no lugar.
O que pode estar errado? Eu usei um gerador de sources.list e deu o mesmo erro (com os links diferentes).