ユーザー設定

• Domain : http://www.onamae.com/
  • ドメイン を取得
• Sever : http://www.saases.jp/
  • OsukiniサーバーLT でレンタルサーバを借りる
  • Webmin にログイン
  • サーバ => SSH サーバ => 認証 で、"ルートでのログインを許可する" を はい に変更
  • root パスワードの変更

• MacBook% ssh root@サーバ
• root% useradd elmarverde
• root% passwd elmarverde

Changing password for user elmarverde.
New UNIX password:
Retype new UNIX password:
passwd: all authentication tokens updated successfully.

• root% vi /etc/group
  • wheelグループに elmarverde ユーザーを追加

wheel::10:root,elmarverde

• root% su elmarverde
• elmarverde% ssh-keygen -t rsa

Generating public/private rsa key pair.
Enter file in which to save the key (/home/elmarverde/.ssh/id_rsa):
Created directory '/home/elmarverde/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/elmarverde/.ssh/id_rsa.
Your public key has been saved in /home/elmarverde/.ssh/id_rsa.pub.
The key fingerprint is:
呪文 elmarverde@サーバ

• elmarverde% cd /home/elmarverde/.ssh/
• elmarverde% mv id_rsa.pub authorized_keys
  • /etc/ssh/sshd_config で公開鍵を authorized_keys としている
• elmarverde% cat id_rsa
  • 秘密鍵 をコピー
• elmarverde% exit
• root% vi /etc/ssh/sshd_config

PermitRootLogin no
AuthorizedKeysFile .ssh/authorized_keys
AllowUsers elmarverde

• root% /etc/init.d/sshd restart

sshd を停止中: [ OK ]
sshd を起動中: [ OK ]

• root% exit

• MacBook% vim .ssh/ssh.key
  • コピーした秘密鍵を貼付け保存
• MacBook% chmod go-r .ssh/ssh.key
• MacBook% ssh -i .ssh/ssh.key elmarverde@サーバ
• 鍵作成時のパスフレーズを入力
  • Enter passphrase (empty for no passphrase):
• elmarverde%