两台linux ssh,无需密码
server1连接server2
server1 server2
s1私钥
s1公钥 ---------> ~/.ssh/authorized_keys
1)server1生成密钥对
server1#ssh-keygen
server1#ls /root/.ssh (id_rsa; id_rsa.pub)
2)server2用户家目录下有一个目录叫.ssh
server2#mkdir .ssh
3)server1将自己的公钥id_rsa.pub拷贝给server2
4)server2将这个文件放置在~/.ssh叫authorized_keys
server1#scp /root/.ssh/id_rsa.pub server2ip地址:/root/.ssh/authorized_keys
5)server1就可以无需密码连接server2