Não é possível atualizar o Ubuntu de 14.04 para o último lançamento

Question

Quando tento atualizar, recebo o seguinte erro:

sudo aptitude upgrade
Resolving dependencies...                
open: 217520; closed: 114638; defer: 5; conflict: 6                            O
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Se eu tentar usar o Software Updater, primeiro recebo uma caixa de diálogo que diz nem todas as atualizações podem ser instaladas

Execute uma atualização parcial ... Quando eu tento isso, a instalação exige software não confiável e termina. Eu tentei percorrer os pacotes que precisam ser atualizados, mas há muitos e não é fácil descobrir o que está causando o problema.

Qualquer sugestão ou ajuda é muito apreciada. Eu não posso permitir que essa máquina fique obsoleta e sem suporte.

Meu lançamento atual é

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"

Saída completa do sudo apt-get update

Ign dl.google.com stable InRelease
Hit dl.google.com stable Release.gpg
Ign us.archive.ubuntu.com utopic InRelease
Ign security.ubuntu.com utopic-security InRelease
Hit dl.google.com stable Release
Ign us.archive.ubuntu.com utopic-updates InRelease
Hit security.ubuntu.com trusty-security InRelease
Ign extras.ubuntu.com utopic InRelease
Hit archive.canonical.com utopic InRelease
Ign archive.ubuntu.com trusty InRelease
Ign ppa.launchpad.net trusty InRelease
Hit dl.google.com stable/main i386 Packages
Ign us.archive.ubuntu.com utopic Release.gpg
Ign security.ubuntu.com utopic-security Release.gpg
Hit extras.ubuntu.com utopic Release.gpg
Hit archive.canonical.com natty InRelease
Ign us.archive.ubuntu.com utopic-updates Release.gpg
Hit security.ubuntu.com trusty-security/main i386 Packages
Hit archive.ubuntu.com trusty-updates InRelease
Hit ppa.launchpad.net trusty Release.gpg
Ign us.archive.ubuntu.com utopic Release
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Hit extras.ubuntu.com utopic Release
Hit archive.canonical.com utopic/partner i386 Packages
Hit archive.ubuntu.com trusty Release.gpg
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Hit security.ubuntu.com trusty-security/restricted i386 Packages
Ign us.archive.ubuntu.com utopic/main Sources/DiffIndex
Hit security.ubuntu.com trusty-security/universe i386 Packages
Hit extras.ubuntu.com utopic/main Sources
Hit archive.canonical.com utopic/partner Translation-en
Hit archive.ubuntu.com trusty-updates/main i386 Packages
Hit ppa.launchpad.net trusty/main i386 Packages
Ign us.archive.ubuntu.com utopic/restricted Sources/DiffIndex
Hit security.ubuntu.com trusty-security/main Translation-en
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Hit ppa.launchpad.net trusty/main Translation-en
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Hit security.ubuntu.com trusty-security/universe Translation-en
Ign us.archive.ubuntu.com utopic/restricted i386 Packages/DiffIndex
Ign security.ubuntu.com utopic-security Release
Ign dl.google.com stable/main Translation-en_US
Ign dl.google.com stable/main Translation-en
Hit archive.ubuntu.com trusty-updates/universe i386 Packages
Ign us.archive.ubuntu.com utopic/universe i386 Packages/DiffIndex
Ign security.ubuntu.com utopic-security/main Sources/DiffIndex
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Ign security.ubuntu.com utopic-security/restricted Sources/DiffIndex
Hit archive.ubuntu.com trusty-updates/main Translation-en
Ign security.ubuntu.com utopic-security/universe Sources/DiffIndex
Ign security.ubuntu.com utopic-security/multiverse Sources/DiffIndex
Hit archive.ubuntu.com trusty-updates/multiverse Translation-en
Ign security.ubuntu.com utopic-security/main i386 Packages/DiffIndex
Hit archive.ubuntu.com trusty-updates/restricted Translation-en
Ign security.ubuntu.com utopic-security/restricted i386 Packages/DiffIndex
Ign security.ubuntu.com utopic-security/universe i386 Packages/DiffIndex
Hit archive.ubuntu.com trusty-updates/universe Translation-en
Hit archive.ubuntu.com trusty Release
Ign security.ubuntu.com utopic-security/multiverse i386 Packages/DiffIndex
Hit archive.ubuntu.com trusty/main Sources
Ign extras.ubuntu.com utopic/main Translation-en_US
Ign us.archive.ubuntu.com utopic-updates/main Sources/DiffIndex
Hit archive.ubuntu.com trusty/universe Sources
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Hit archive.ubuntu.com trusty/multiverse Sources
Ign us.archive.ubuntu.com utopic-updates/restricted i386 Packages/DiffIndex
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Hit archive.ubuntu.com trusty/main i386 Packages
Ign us.archive.ubuntu.com utopic-updates/multiverse i386 Packages/DiffIndex
Hit archive.ubuntu.com trusty/universe i386 Packages
Hit archive.ubuntu.com trusty/restricted i386 Packages
Hit archive.ubuntu.com trusty/multiverse i386 Packages
Hit archive.ubuntu.com trusty/main Translation-en
Hit archive.ubuntu.com trusty/multiverse Translation-en
Hit archive.ubuntu.com trusty/restricted Translation-en
Hit archive.ubuntu.com trusty/universe Translation-en
Ign archive.ubuntu.com trusty/main Translation-en_US
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Ign archive.ubuntu.com trusty/restricted Translation-en_US
Ign archive.ubuntu.com trusty/universe Translation-en_US
Ign security.ubuntu.com utopic-security/main Translation-en_US
Ign security.ubuntu.com utopic-security/main Translation-en
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Ign security.ubuntu.com utopic-security/restricted Translation-en_US
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Ign security.ubuntu.com utopic-security/universe Translation-en_US
Ign security.ubuntu.com utopic-security/universe Translation-en
Err security.ubuntu.com utopic-security/main Sources
  404  Not Found [IP: 91.189.91.23 80]
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Ign us.archive.ubuntu.com utopic/main Translation-en_US
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Ign us.archive.ubuntu.com utopic/multiverse Translation-en_US
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Ign us.archive.ubuntu.com utopic-updates/main Translation-en_US
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Answer 1

Você não pode atualizar diretamente do Ubuntu 14.04 para o Ubuntu 15.10 (a versão mais recente). Você deve fazer em seqüência, portanto, a partir de 14.04, você precisa atualizar para 14.10 e, em seguida, 15.04 e, finalmente, 15.10. As etapas a seguir são etapas para atualizar de 14.04 LTS para 14.10 e assim por diante:

Edite o arquivo /etc/update-manager/release-upgrades :

sudo nano /etc/update-manager/release-upgrades

e altere Prompt=lts para Prompt=normal

Instale update-manager-core :

sudo apt-get install update-manager-core

Agora, inicie o comando:

sudo do-release-upgrade

Eventualmente, reboot do sistema.