[Bug 1531333] Re: error installing Unity desktop when upgrading 14.04 to 15.05

[Brian Murray]

Part of the problem can be found in the following error message:

2016-01-05 17:52:07,746 DEBUG none of the '['ubuntu-desktop', 'kubuntu-desktop', 'xubuntu-core', 'xubuntu-desktop', 'ubuntustudio-desktop', 'mythbuntu-desktop', 'kubuntu-netbook', 'lubuntu-core', 'lubuntu-desktop', 'ubuntu-gnome-desktop']' meta-pkgs installed
2016-01-05 17:52:07,746 DEBUG guessing 'ubuntu-desktop' as missing meta-pkg

Please install the ubuntu-desktop meta package and try the upgrade
again. Thanks in advance!

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1531333

Title:
  error installing Unity desktop when upgrading 14.04 to 15.05

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  It was accompanied by an error saying a list of packages could not be authenticated.
  In the bug report description, it stated part of a file had been modified, and then displayed the release upgrade options from the Software Updater.
  It was accompanied by an error stating that some third party services (or something) had to be disabled.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.16.0-57.77~14.04.1-generic 3.16.7-ckt20
  Uname: Linux 3.16.0-57-generic i686
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Tue Jan  5 17:55:05 2016
  InstallationDate: Installed on 2015-07-23 (166 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release i386 (20150218.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-05 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-01T07:42:42.451084

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