ppa-purge do-release-upgrade

[Cool Earth]

Hi there,

I'm unable to upgrade Ubuntu to 20.04.2 LTS on a landscape server. I tried to follow solutions on https://askubuntu.com/questions/1284808/upgrade-to-ubuntu-20-04-from-18-04-fails , but none of it helped.

Thanks, Michele

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.44
ProcVersionSignature: Ubuntu 4.15.0-143.147-generic 4.15.18
Uname: Linux 4.15.0-143-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
Date: Wed May 12 17:20:19 2021
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-05-12 (0 days ago)