ssh-copy-id
参数：/usr/bin/ssh-copy-id [-i [identity_file]] [user@]machine
作用：拷贝公钥到远程主机，实现登录远程主机无须密码
过程：
//生成公钥
1 2 3 4 5 6 7 8 9 | kevin@nb:~$ ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/home/kevin/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/kevin/.ssh/id_rsa. Your public key has been saved in /home/kevin/.ssh/id_rsa.pub. The key fingerprint is: 49:af:93:98:df:8a:e5:62:51:5c:86:12:66:6d:f4:33 kevin@nb |
//查看公钥
1 2 3 4 5 6 | kevin@nb:~$ ssh-add -L ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAvbji+85BMUVkdWw7+TW86Hzk67F0DngYzRgn6/v8 kKZBhwFXh1H6oEjdmGoniliEEeIII7drjMHWbG8Ng6g398ypawy8AoT2DexaCQQC7L9BzcpFlCEjyW6 I7v15ZMwBaIsoJwEmDS7lxvG+wN/2Mo2M6SEFcA+WzjO8MiXZHpvU5kit7UP2yvlFbKW4SZNcLj89 saQHQAyNWn9lTiR2HA5xgM5+B43Wb7pEngsdjh+hPDENznuKjrcAclRHIApx36Cn5foZ71V9lp0oY1/+ XEymwSba94id/4bCfdFf3TVBcr71vZMLHobPvxz8gjh38xomTq2kYA66hVVAvUoxKw== kevin@nb |
//拷贝公钥
1 2 3 4 5 6 7 8 9 10 11 | kevin@nb:~$ ssh-copy-id root@10.0.50.85 The authenticity of host '10.0.50.85 (10.0.50.85)' can't be established. RSA key fingerprint is d3:9f:63:a5:e8:24:05:4a:57:54:1b:54:cc:0f:31:65. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.0.50.85' (RSA) to the list of known hosts. root@10.0.50.85's password: Now try logging into the machine, with "ssh 'root@10.0.50.85'", and check in: .ssh/authorized_keys to make sure we haven't added extra keys that you weren't expecting. |
