Public bug reported:
The server is running on a virtual machine without any Desktop Environment on
Ubuntu 16.04.5 LTS.
While trying to do-release-upgrade I get this message in Brazilian Portuguese
and says:
__________________________________________________________________
Não foi possível calcular a atualização
Um problema não solucionável ocorreu ao calcular a atualização.
As possíveis causas são:
*Uma atualização para uma versão de pré-lançamento do Ubuntu;
* Executar a partir de uma versão de pré-lançamento do Ubuntu;
* Uso de pacotes não-oficiais e não fornecidos pelo Ubuntu;
Se nada disso se aplicar, relate esse erro usando o comando
'ubuntu-bug ubuntu-release-upgrader-core' no terminal.
Restaurando o estado original do sistema
Abortando
__________________________________________________________________
That message in short words would be that there is an unknown problem
during update.
There are no third-party PPA's installed on this system.
Is there any other information that I need to provide to debug this
issue?
Thankful,
Gustavo
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.25
ProcVersionSignature: Ubuntu 4.4.0-137.163-generic 4.4.144
Uname: Linux 4.4.0-137-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
Date: Thu Oct 4 01:57:03 2018
InstallationDate: Installed on 2018-01-26 (250 days ago)
InstallationMedia: Ubuntu-Server 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=pt_BR:pt:en
TERM=linux
PATH=(custom, no user)
LANG=pt_BR.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2018-10-04 (0 days ago)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade xenial
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https://bugs.launchpad.net/bugs/1796021
Title:
Do-release-upgrade VM Server Failed
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