[Bug 1905534] Re: upgrade to ubuntu 20 fails

[Daniel Letzeisen]

The problem is that you still have packages (nodejs) installed from a
3rd-party repository. Try removing nodejs and then attempt the upgrade
again:

sudo apt-get purge nodejs
sudo rm /etc/apt/sources.list.d/nodesource.list
sudo apt-get update

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

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https://bugs.launchpad.net/bugs/1905534

Title:
  upgrade to ubuntu 20 fails

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

Bug description:
  An unresolvable problem occurred while calculating the upgrade.

   This was likely caused by:
   * Unofficial software packages not provided by Ubuntu
  Please use the tool 'ppa-purge' from the ppa-purge 
  package to remove software from a Launchpad PPA and 
  try the upgrade again.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.40
  ProcVersionSignature: Ubuntu 5.4.0-54.60~18.04.1-generic 5.4.65
  Uname: Linux 5.4.0-54-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.20
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Nov 25 03:35:39 2020
  InstallationDate: Installed on 2020-10-12 (44 days ago)
  InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64 (20200806.1)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-11-25 (0 days ago)
  VarLogDistupgradeTermlog:

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