9月 24 2017
SSHをパスワード無しでログイン
散々あると思いますが、備忘録。
# ssh-keygen -t rsa
Generating public/private dsa key pair.
Enter file in which to save the key (/root/.ssh/id_dsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_dsa.
Your public key has been saved in /root/.ssh/id_dsa.pub.
The key fingerprint is:
9e:ab:12:04:5d:3d:c7:55:f5:1b:9d:55:91:5f:1f:92
以下のようにキーが作成できていることが確認できます。
# ls /root/.ssh/
id_rsa id_rsa.pub known_hosts
このid_rsa.pubを接続先に送り(/tmp/id_rsa.pub)
接続先にて、以下のようにします。
# touch authorized_keys
# chmod 600 authorized_keys
# cat /tmp/id_rsa.pub >> authorized_keys