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Ubuntu 18.04 LTS を 20.04 LTS へアップデートする

1 min read

ここの手順そのまま。

FocalFossa/ReleaseNotes - Upgrading from Ubuntu 18.04 LTS or 19.10 - Ubuntu Wiki

To upgrade on a server system:

  1. Install update-manager-core if it is not already installed.
  2. Make sure the Prompt line in /etc/update-manager/release-upgrades is set to 'normal' if you are using 19.10, or 'lts' if you are using 18.04 LTS.
  3. Launch the upgrade tool with the command sudo do-release-upgrade on 19.10; use sudo do-release-upgrade -d if you are using 18.04 LTS.
  4. Follow the on-screen instructions.

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