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EC2作成時、詰まったところ

Posted at

個人的に詰まったところ
名前解決を有効にすること
yum updateができない>VPC作成時、DNSホスト名を有効化する
https://huamutou.hatenablog.com/entry/2019/09/20/101359

EC2立ち上げ後
ターミナルソフトからSSH接続ができない
OpenSSHがデフォルトでRSA/SHA1を無効にしている

対策
以下に対応したターミナルソフトなら接続は可能
rsa-sha2-256/512
https://ja.osdn.net/projects/ttssh2/releases/78350

ED25519で作成した方が手っ取り早かった
https://dev.classmethod.jp/articles/tsnote-ec2-rsa-sha-001/

ゴリ押し
以下へ設定ファイルへ追記すれば、接続は可能
/etc/ssh/sshd_config
>PubkeyAcceptedAlgorithms=+ssh-rsa
https://dev.classmethod.jp/articles/tsnote-ec2-rsa-sha-001/

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