ssh/configの作成と接続

$ mkdir ~/.ssh
$ chmod 700 ~/.ssh
$ touch ~/.ssh/config

Host stg-web-srv
    HOSTNAME    xxx.xxx.xxx.xxx
    USER        yuu3
    PORT        22
    ServerAliveInterval 15
    IDENTITYFILE /Users/kanehiroyuu/Desktop/doc/key/example_prod_srv_id_rsa

Host prod-web-srv
    HOSTNAME yyy.yyy.yyy.yyy
    USER        yuu3
    PORT        22
    ServerAliveInterval 15
    IDENTITYFILE /Users/kanehiroyuu/Desktop/doc/key/example_prod_srv_id_rsa

接続