Linux下不出现提示使用远程拷贝命令SCP

　　把你的本地主机用户的ssh公匙文件写入到远程主机用户的~/.ssh/authorized_keys文件中,具体方法

　　假设本地主机test1,远程主机test2

　　一，在test1主机里的用户

　　运行 ssh-keygen -t rsa

　　结果如下

　　Generating public/private rsa key pair.

　　Enter file in which to save the key (/home/.username/ssh/id_rsa):#回车

　　Enter passphrase (empty for no passphrase):#回车

　　Enter same passphrase again:#回车

　　Your identification has been saved in /home/.username /.ssh/id_rsa.

　　Your public key has been saved in /home/.username /.ssh/id_rsa.pub.

　　The key fingerprint is:

　　38:25:c1:4d:5d:d3:89:bb:46:67:bf:52:af:c3:17:0c username@localhost

　　Generating RSA keys:

　　Key generation complete.

　　会在用户目录~/.ssh/产生两个文件，id_rsa，id_rsa.pub

　　二，把id_rsa.pub文件拷贝到test2主机的用户目录下

　　cat id_rsa.pub >~/.ssh/authorized_keys

　　就可以了

　　这样test1主机的用户就可以通过ssh而不用密码登陆test2主机。