[root@NB .ssh]# ssh-copy-id -i id_rsa.pub " -p22 root@150.57.38.226" root@150.57.38.226‘s password: Now try logging into the machine, with "ssh ‘ -p22022 root@123.57.36.227‘", and check in: .ssh/authorized_keys to make sure we haven‘t added extra keys that you weren‘t expecting.
#注意指定端口和用户@IP是用双引号的！！！！
原文：http://www.cnblogs.com/bass6/p/6358077.html