Don't have Telegram yet? Try it now!
https://khws4v1.myhome.cx/article/2015/11/ssh%e3%81%ae%e3%83%ad%e3%82%b0%e3%82%a4%e3%83%b3%e3%81%ab%e5%85%ac%e9%96%8b%e9%8d%b5%e8%aa%8d%e8%a8%bc%e3%82%92%e4%bd%bf%e3%81%86%e3%81%93%e3%81%a8%e3%82%92%e5%bc%b7%e5%88%b6%e3%81%99%e3%82%8b/
SSHのログインに公開鍵認証を使うことを強制する