Public bug reported:
I was trying to upgrade from Ubuntu 18.04 to 20.04.1 . I installed the
latest software updates as recommended. I started the upgrade process
but keep getting this error
"Could not calculate the upgrade
This was likely caused by:
*Unoffocial software packages not provided by Ubuntu."
It recommended the usage of ppa-purge. I installed that command package.
Then I used the command " grep Broken /var/log/dist-upgrade/apt.log" to get the
list of the programs that might need to get purged. But I got a list of
hundreds of programs. Now I am confused about what to do. How do I find which
ppa to purge or which program to remove?
I just started using Ubuntu so don't know anything about how all of this
works. Can you help me out?
Thank you
1) Ubuntu 18.04.5 LTS
2)
3) Expected an upgrade from 18.04.5 to 20.04.1
4) The upgrade did not complete due to some error.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.39
ProcVersionSignature: Ubuntu 5.4.0-49.53~18.04.1-generic 5.4.65
Uname: Linux 5.4.0-49-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.18
Architecture: amd64
CrashDB: ubuntu
Date: Sun Oct 4 20:59:39 2020
InstallationDate: Installed on 2020-04-04 (183 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64
(20200203.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_IN:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_IN
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-10-04 (0 days ago)
VarLogDistupgradeTermlog:
mtime.conffile..etc.update-manager.release-upgrades: 2020-10-04T17:33:12.039655
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic dist-upgrade package-from-proposed
** Attachment added: "The error message I get upon intiating the upgrade
process."
https://bugs.launchpad.net/bugs/1898467/+attachment/5417535/+files/Screenshot%20from%202020-10-04%2021-17-56.png
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https://bugs.launchpad.net/bugs/1898467
Title:
"Could not calculate the upgrade" error while upgrading from 18.04 to
20.04.1
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