Impossible to upgrade from previous LTS to last one
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| ubuntu-release-upgrader (Ubuntu) |
Expired
|
Undecided
|
Unassigned | ||
Bug Description
Impossible to upgrade from previous LTS to last one.
sudo do-release-upgrade starts properly but failed and revert back.
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 20:20:09 2020
InstallationDate: Installed on 2011-09-14 (3305 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitec
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to bionic on 2020-10-01 (0 days ago)

This is likely because your /etc/apt/ sources. list file only contains entries for main and restricted. You are missing entries for universe and possibly multiverse. Please enable universe and try the upgrade again.