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Aws の Ubuntu 20.04 を 21.04 にアップグレード

Last updated at Posted at 2019-12-01

AWS の Ubuntu 20.04 を 21.04 にアップグレードする方法です。

設定ファイルの変更

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

次のように変更します。

/etc/update-manager/release-upgrades

Prompt=normal


リリースアップグレード

```bash
sudo do-release-upgrade

再起動

sudo shutdown -r now

更新できたことを確認する。

$ cat /etc/os-release 
NAME="Ubuntu"
VERSION="21.04 (Hirsute Hippo)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 21.04"
VERSION_ID="21.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=hirsute
UBUNTU_CODENAME=hirsute
uchida@ip-172-31-37-102:~$ cat /etc/os-release 
NAME="Ubuntu"
VERSION="21.04 (Hirsute Hippo)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 21.04"
VERSION_ID="21.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=hirsute
UBUNTU_CODENAME=hirsute
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