I'm using Ubuntu 12.04 .
'sudo apt-get update'
Ign http://fi.archive.ubuntu.com maverick-backports Release.gpg
Ign http://archive.canonical.com precise Release.gpg
Ign http://mirrors.nic.funet.fi precise Release.gpg
Ign http://fi.archive.ubuntu.com maverick-backports Release
Ign http://archive.canonical.com precise Release
Ign http://archive.canonical.com precise/partner i386 Packages/DiffIndex
Ign http://archive.canonical.com precise/partner TranslationIndex
Ign http://mirrors.nic.funet.fi precise-updates Release.gpg
Ign http://mirrors.nic.funet.fi precise-security Release.gpg
Ign http://mirrors.nic.funet.fi precise-backports Release.gpg
Ign http://mirrors.nic.funet.fi precise-proposed Release.gpg
Ign http://mirrors.nic.funet.fi precise Release
Ign http://mirrors.nic.funet.fi precise-updates Release
Ign http://mirrors.nic.funet.fi precise-security Release
Ign http://mirrors.nic.funet.fi precise-backports Release
Ign http://mirrors.nic.funet.fi precise-proposed Release
Ign http://mirrors.nic.funet.fi precise/universe Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise/main Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise/multiverse Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise/restricted Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise/universe i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise/main i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise/multiverse i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise/restricted i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise/main TranslationIndex
Ign http://mirrors.nic.funet.fi precise/multiverse TranslationIndex
Ign http://mirrors.nic.funet.fi precise/restricted TranslationIndex
Ign http://mirrors.nic.funet.fi precise/universe TranslationIndex
Ign http://mirrors.nic.funet.fi precise-updates/universe Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/main Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/multiverse Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/restricted Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/universe i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/main i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/multiverse i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/restricted i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-updates/main TranslationIndex
Ign http://mirrors.nic.funet.fi precise-updates/multiverse TranslationIndex
Ign http://mirrors.nic.funet.fi precise-updates/restrictedTranslationIndex
Ign http://mirrors.nic.funet.fi precise-updates/universe TranslationIndex
Ign http://mirrors.nic.funet.fi precise-security/universe Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/main Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/multiverse Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/restricted Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/universe i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/main i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/multiverse i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/restricted i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-security/main TranslationIndex
Ign http://mirrors.nic.funet.fi precise-security/multiverse TranslationIndex
Ign http://mirrors.nic.funet.fi precise-security/restricted TranslationIndex
Ign http://mirrors.nic.funet.fi precise-security/universe TranslationIndex
Ign http://mirrors.nic.funet.fi precise-backports/universe Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/main Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/multiverse Sources/DiffIndex
Err http://fi.archive.ubuntu.com maverick-backports/main Sources
504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
Err http://fi.archive.ubuntu.com maverick-backports/restricted Sources
504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
Err http://fi.archive.ubuntu.com maverick-backports/universe Sources
504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
Err http://archive.canonical.com precise/partner i386 Packages
504 Connect to archive.canonical.com:80 failed: Connection refused
Err http://fi.archive.ubuntu.com maverick-backports/multiverse Sources
504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
Ign http://mirrors.nic.funet.fi precise-backports/restricted Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/universe i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/main i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/multiverse i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/restricted i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-backports/main TranslationIndex
Ign http://mirrors.nic.funet.fi precise-backports/multiverse TranslationIndex
Ign http://mirrors.nic.funet.fi precise-backports/restricted TranslationIndex
Ign http://mirrors.nic.funet.fi precise-backports/universe TranslationIndex
Ign http://mirrors.nic.funet.fi precise-proposed/universe Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/main Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/multiverse Sources/DiffIndex
Ign http://archive.canonical.com precise/partner Translation-en_US
Ign http://archive.canonical.com precise/partner Translation-en
Ign http://mirrors.nic.funet.fi precise-proposed/restricted Sources/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/universe i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/main i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/multiverse i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/restricted i386 Packages/DiffIndex
Ign http://mirrors.nic.funet.fi precise-proposed/main TranslationIndex
Ign http://mirrors.nic.funet.fi precise-proposed/multiverse TranslationIndex
Ign http://mirrors.nic.funet.fi precise-proposed/restricted TranslationIndex
Ign http://mirrors.nic.funet.fi precise-proposed/universe TranslationIndex
Err http://mirrors.nic.funet.fi precise/universe Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/main Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/multiverse Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/restricted Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/universe i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/main i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/multiverse i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise/restricted i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Ign http://mirrors.nic.funet.fi precise/main Translation-en_US
Ign http://mirrors.nic.funet.fi precise/main Translation-en
Ign http://mirrors.nic.funet.fi precise/multiverse Translation-en_US
Ign http://mirrors.nic.funet.fi precise/multiverse Translation-en
Ign http://mirrors.nic.funet.fi precise/restricted Translation-en_US
Ign http://mirrors.nic.funet.fi precise/restricted Translation-en
Ign http://mirrors.nic.funet.fi precise/universe Translation-en_US
Ign http://mirrors.nic.funet.fi precise/universe Translation-en
Err http://mirrors.nic.funet.fi precise-updates/universe Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/main Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/multiverse Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/restricted Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/universe i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/main i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/multiverse i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-updates/restricted i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Ign http://mirrors.nic.funet.fi precise-updates/main Translation-en_US
Ign http://mirrors.nic.funet.fi precise-updates/main Translation-en
Ign http://mirrors.nic.funet.fi precise-updates/multiverse Translation-en_US
Ign http://mirrors.nic.funet.fi precise-updates/multiverse Translation-en
Ign http://mirrors.nic.funet.fi precise-updates/restricted Translation-en_US
Ign http://mirrors.nic.funet.fi precise-updates/restricted Translation-en
Ign http://mirrors.nic.funet.fi precise-updates/universe Translation-en_US
Ign http://mirrors.nic.funet.fi precise-updates/universe Translation-en
Err http://mirrors.nic.funet.fi precise-security/universe Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/main Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/multiverse Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/restricted Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/universe i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/main i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/multiverse i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-security/restricted i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Ign http://mirrors.nic.funet.fi precise-security/main Translation-en_US
Ign http://mirrors.nic.funet.fi precise-security/main Translation-en
Ign http://mirrors.nic.funet.fi precise-security/multiverse Translation-en_US
Ign http://mirrors.nic.funet.fi precise-security/multiverse Translation-en
Ign http://mirrors.nic.funet.fi precise-security/restricted Translation-en_US
Ign http://mirrors.nic.funet.fi precise-security/restricted Translation-en
Ign http://mirrors.nic.funet.fi precise-security/universe Translation-en_US
Ign http://mirrors.nic.funet.fi precise-security/universe Translation-en
Err http://mirrors.nic.funet.fi precise-backports/universe Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/main Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/multiverse Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/restricted Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/universe i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/main i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/multiverse i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-backports/restricted i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Ign http://mirrors.nic.funet.fi precise-backports/main Translation-en_US
Ign http://mirrors.nic.funet.fi precise-backports/main Translation-en
Ign http://mirrors.nic.funet.fi precise-backports/multiverse Translation-en_US
Ign http://mirrors.nic.funet.fi precise-backports/multiverse Translation-en
Ign http://mirrors.nic.funet.fi precise-backports/restricted Translation-en_US
Ign http://mirrors.nic.funet.fi precise-backports/restricted Translation-en
Ign http://mirrors.nic.funet.fi precise-backports/universe Translation-en_US
Ign http://mirrors.nic.funet.fi precise-backports/universe Translation-en
Err http://mirrors.nic.funet.fi precise-proposed/universe Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/main Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/multiverse Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/restricted Sources
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/universe i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/main i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/multiverse i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Err http://mirrors.nic.funet.fi precise-proposed/restricted i386 Packages
504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
Ign http://mirrors.nic.funet.fi precise-proposed/main Translation-en_US
Ign http://mirrors.nic.funet.fi precise-proposed/main Translation-en
Ign http://mirrors.nic.funet.fi precise-proposed/multiverse Translation-en_US
Ign http://mirrors.nic.funet.fi precise-proposed/multiverse Translation-en
Ign http://mirrors.nic.funet.fi precise-proposed/restricted Translation-en_US
Ign http://mirrors.nic.funet.fi precise-proposed/restricted Translation-en
Ign http://mirrors.nic.funet.fi precise-proposed/universe Translation-en_US
Ign http://mirrors.nic.funet.fi precise-proposed/universe Translation-en
/main/source/Sources 504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
W: Failed to fetch http://fi.archive.ubuntu.com/ubuntu/dists/maverick-backports/restricted/source/Sources 504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
W: Failed to fetch http://fi.archive.ubuntu.com/ubuntu/dists/maverick-backports/universe/source/Sources 504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
W: Failed to fetch http://fi.archive.ubuntu.com/ubuntu/dists/maverick-backports/multiverse/source/Sources 504 Connect to fi.archive.ubuntu.com:80 failed: Connection refused
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/partner/binary-i386/Packages 504 Connect to archive.canonical.com:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/universe/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/main/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/multiverse/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/restricted/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/universe/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/main/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/multiverse/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise/restricted/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/universe/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/main/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/multiverse/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/restricted/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/universe/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/main/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/multiverse/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-updates/restricted/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/universe/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/main/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/multiverse/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/restricted/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/universe/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/main/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/multiverse/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-security/restricted/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/universe/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/main/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/multiverse/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/restricted/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/universe/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/main/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/multiverse/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-backports/restricted/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/universe/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/main/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/multiverse/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/restricted/source/Sources 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/universe/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/main/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/multiverse/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
W: Failed to fetch http://mirrors.nic.funet.fi/ubuntu/dists/precise-proposed/restricted/binary-i386/Packages 504 Connect to mirrors.nic.funet.fi:80 failed: Connection refused
E: Some index files failed to download. They have been ignored, or old ones used instead.
ping mirrors.nic.funet.fi
PING mirrors.nic.funet.fi (193.166.3.5) 56(84) bytes of data.
sudo lshw | grep
*-network
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
*-network
description: Ethernet interface
capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
sudo lshw | grep wireless
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath5k driverversion=3.2.0-60-generic firmware=N/A ip=192.168.100.31 latency=0 link=yes multicast=yes wireless=IEEE 802.11bg
Como Louis Matthijssen supôs, o servidor pode estar em baixo. Tentando novamente pode resolver o problema. Se não abrir o Ubuntu Software Center Escolha Editar, Fontes de software e há uma configuração para "download de" onde você pode escolher um espelho diferente e tentar novamente.