[Bug 1794772] Re: Stop upgrade to Ubuntu 18.04

[Qinqin Lin]

The program 'ppa-purge' is currently not installed. You can install it 
by typing:
sudo apt install ppa-purge

Still got Third party sources disabled.

On 2018-09-27 03:53 PM, Brian Murray wrote:
> 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 conflict between
> packages from the official Ubuntu archive and packages from a PPA. To
> resolve this situation please deactivate PPAs using the tool 'ppa-purge'
> which is provided by the ppa-purge package. Then try performing the
> release upgrade again. Thanks in advance!
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
>         Status: New => Invalid
>
> ** Tags added: ppa-conflict
>


** Attachment added: "fjajfleejnlmagfi.png"
   https://bugs.launchpad.net/bugs/1794772/+attachment/5195317/+files/fjajfleejnlmagfi.png

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https://bugs.launchpad.net/bugs/1794772

Title:
  Stop upgrade to Ubuntu 18.04

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

Bug description:
  ask for uncommenting third party in source.list while upgrade from
  Ubuntu 16.04 to 18.04

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-135.161-generic 4.4.140
  Uname: Linux 4.4.0-135-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Sep 27 10:21:02 2018
  InstallationDate: Installed on 2016-03-24 (916 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-09-27 (0 days ago)
  VarLogDistupgradeTermlog:

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