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サポートの終了した Ubuntu 10.04 から 12.04 にアップデートする ref: http://qiita.com/gam0022/items/978b7a4900af660e1142
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sudo apt-get update | |
sudo apt-get upgrade | |
sudo apt-get install update-manager-core | |
sudo do-release-upgrade |
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$ apt-get update | |
# ・・・中略・・・ | |
エラー http://archive.ubuntu.com lucid-security/main Packages | |
404 Not Found [IP: 2001:67c:1360:8001::21 80] | |
# ・・・中略・・・ | |
W: http://archive.ubuntu.com/ubuntu/dists/lucid-updates/main/binary-i386/Packages.gz の取得に失敗しました 404 Not Found [IP: 2001:67c:1360:8001::21 80] | |
E: いくつかのインデックスファイルのダウンロードに失敗しました。これらは無視されるか、古いものが代わりに使われます。 | |
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$ vim /etc/apt/sources.list # s/archive/old-releases/g に置換 |
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$ sudo do-release-upgrade | |
# ・・・中略・・・ | |
パッケージの認証において、エラーがありました | |
いくつかのパッケージが認証できませんでした。これは一時的なネットワークの問題かもしれません。あとで再び試してみてください。以下に認証できなかったパッケージのリストが表示されます。 | |
# ・・・中略・・・ | |
システムを元に戻しています | |
中断します | |
Reading package lists... Done | |
Building dependency tree | |
Reading state information... Done | |
Building data structures... Done | |
=== Command detached from window (Fri Oct 28 11:44:15 2016) === | |
=== Command terminated with exit status 1 (Fri Oct 28 11:44:15 2016) === | |
WARNING:root:estimate_kernel_size_in_boot() returned '0'? | |
# ・・・中略・・・ |
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[Distro] | |
AllowUnauthenticated=yes |
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