'sudo update-manager -d' failed
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
I planned to update Ubuntu 16.04.5 LTS to Ubuntu 18.04 LTS through "sudo update-manager -d" but it prompted with:
Could not calculate upgrade
...
..
I followed and removed all PPAs and various packages installed but still unable to upgrade!
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-
ProcVersionSign
Uname: Linux 4.4.0-131-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sat Jul 28 21:53:52 2018
InstallationDate: Installed on 2016-12-30 (574 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
PackageArchitec
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to xenial on 2018-07-28 (0 days ago)
VarLogDistupgra
tags: | added: xenial2bionic |
Status changed to 'Confirmed' because the bug affects multiple users.