sudo apt-get update
Hit http://dl.google.com stable Release.gpg
Ign http://dl.google.com stable/main Translation-en_US
Hit http://dl.google.com stable Release
Hit http://dl.google.com stable/main Packages
Ign http://old-releases.ubuntu.com karmic Release.gpg
Ign http://old-releases.ubuntu.com karmic/main Translation-en_US
Ign http://old-releases.ubuntu.com karmic/restricted Translation-en_US
Ign http://old-releases.ubuntu.com karmic/universe Translation-en_US
Ign http://old-releases.ubuntu.com karmic/multiverse Translation-en_US
Ign http://old-releases.ubuntu.com karmic Release
Ign http://old-releases.ubuntu.com karmic/main Packages
Ign http://old-releases.ubuntu.com karmic/restricted Packages
Ign http://old-releases.ubuntu.com karmic/universe Packages
Ign http://old-releases.ubuntu.com karmic/multiverse Packages
Ign http://old-releases.ubuntu.com karmic/main Packages
Ign http://old-releases.ubuntu.com karmic/restricted Packages
Ign http://old-releases.ubuntu.com karmic/universe Packages
Ign http://old-releases.ubuntu.com karmic/multiverse Packages
Err http://old-releases.ubuntu.com karmic/main Packages
  404  Not Found
Err http://old-releases.ubuntu.com karmic/restricted Packages
  404  Not Found
Err http://old-releases.ubuntu.com karmic/universe Packages
  404  Not Found
Err http://old-releases.ubuntu.com karmic/multiverse Packages
  404  Not Found
W: Failed to fetch http://old-releases.ubuntu.com/releases/dists/karmic/main/binary-i386/Packages.gz  404  Not Found

W: Failed to fetch http://old-releases.ubuntu.com/releases/dists/karmic/restricted/binary-i386/Packages.gz  404  Not Found

W: Failed to fetch http://old-releases.ubuntu.com/releases/dists/karmic/universe/binary-i386/Packages.gz  404  Not Found

W: Failed to fetch http://old-releases.ubuntu.com/releases/dists/karmic/multiverse/binary-i386/Packages.gz  404  Not Found

E: Some index files failed to download, they have been ignored, or old ones used instead.