[Bug 1930470] Re: cannot upgrade from 18.04 to 20.04

[Brian Murray]

*** This bug is a duplicate of bug 1889250 ***
    https://bugs.launchpad.net/bugs/1889250

Reviewing the files from your upgrade attempt you have installed nodejs
from a location other than the offical Ubuntu archive. This version of
nodejs is greater than the one in the official archive and is keeping
some python packages installed which then prevents the upgrade from
being calculated. Please remove nodejs along with any other packages
from that archive and disable the archive. After that you can try
upgrading again and if it still fails open a new bug report. Thanks and
good luck!

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

** Tags added: nodesource-nodejs

** This bug has been marked a duplicate of bug 1889250
   Unable to calculate the upgrade to 20.04 due to nodejs from nodesource

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https://bugs.launchpad.net/bugs/1930470

Title:
  cannot upgrade from 18.04 to 20.04

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

Bug description:
  Appears to be same bug as #1928397.  Updated ubuntu-release-upgrader
  to latest version and ran

  do-release-upgrade

  same error.  Ran

  do-release-upgrade -p

  and received same error/logs.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.44
  ProcVersionSignature: Ubuntu 5.4.0-74.83~18.04.1-generic 5.4.114
  Uname: Linux 5.4.0-74-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.24
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jun  1 14:36:00 2021
  InstallationDate: Installed on 2020-04-28 (399 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  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 2021-06-01 (0 days ago)

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