[Bug 1795838] Re: upgrade from 16.04 LTS to 18.04 LTS fails

[Brian Murray]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. The error that you are a reporting is a package conflict
between a package from the official Ubuntu archive and a package from a
PPA. To resolve this situation please uninstall the package from a PPA
using the tool 'ppa-purge' which is provided by the ppa-purge package.
Then try performing the package operations again. Thanks in advance!

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

** Tags added: package-conflict ppa-conflict

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https://bugs.launchpad.net/bugs/1795838

Title:
  upgrade from 16.04 LTS to 18.04 LTS fails

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

Bug description:
  I disabled all ppa repositories not from ubuntu itself.
  Upgrade manager (do-release-upgrade) then fails to upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
  Uname: Linux 4.4.0-34-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Oct  3 11:18:15 2018
  InstallationDate: Installed on 2014-01-25 (1711 days ago)
  InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-10-03 (0 days ago)

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