Q&A
前提
ubuntu server 22.04.1 LTS
発生している問題・エラーメッセージ
Ign:1 http://jp.archive.ubuntu.com/ubuntu jammy InRelease Ign:2 http://jp.archive.ubuntu.com/ubuntu jammy-updates InRelease Ign:3 http://jp.archive.ubuntu.com/ubuntu jammy-backports InRelease Ign:4 http://jp.archive.ubuntu.com/ubuntu jammy-security InRelease Err:5 http://jp.archive.ubuntu.com/ubuntu jammy Release Cannot initiate the connection to jp.archive.ubuntu.com:80 (160.26.2.185). - connect (101: Network is unreachable) Err:6 http://jp.archive.ubuntu.com/ubuntu jammy-updates Release Cannot initiate the connection to jp.archive.ubuntu.com:80 (160.26.2.185). - connect (101: Network is unreachable) Err:7 http://jp.archive.ubuntu.com/ubuntu jammy-backports Release Cannot initiate the connection to jp.archive.ubuntu.com:80 (160.26.2.185). - connect (101: Network is unreachable) Err:8 http://jp.archive.ubuntu.com/ubuntu jammy-security Release Cannot initiate the connection to jp.archive.ubuntu.com:80 (160.26.2.185). - connect (101: Network is unreachable) Reading package lists... Done E: The repository 'http://jp.archive.ubuntu.com/ubuntu jammy Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. E: The repository 'http://jp.archive.ubuntu.com/ubuntu jammy-updates Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. E: The repository 'http://jp.archive.ubuntu.com/ubuntu jammy-backports Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. E: The repository 'http://jp.archive.ubuntu.com/ubuntu jammy-security Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details.
試したこと
ufwを使用しているため、無効化(disacble)後に再起動してから検証→同じエラー
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