Upgrading from 18.04.4 LTS to 20.04.1 LTS
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| ubuntu-release-upgrader (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bug Description
1)
lsb_release -rd
Description: Ubuntu 18.04.5 LTS
Release: 18.04
3)
Upgrade should run without issue
4)
Upgrade failed
/var/log/
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-
ProcVersionSign
Uname: Linux 4.15.0-118-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: amd64
CrashDB: ubuntu
Date: Thu Oct 1 21:27:26 2020
InstallationDate: Installed on 2014-07-11 (2273 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitec
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to bionic on 2020-10-01 (0 days ago)
| information type: | Public → Private Security |
| information type: | Private Security → Public |

Fix ubuntu. com
Make sure using latest official mirror.
e.g. us.archive.
then try sudo apt update
sudo apt upgrade
sudo do-release-upgrade