apt-get

update-manager-core:
  Installed: 1:0.134.12.1
  Candidate: 1:0.134.12.1
  Version table:
 *** 1:0.134.12.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
        100 /var/lib/dpkg/status
     1:0.134.11.2 0
        500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
     1:0.134.7 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages