ssh 不需要密码的链接

假设client 需要连接server端. 

server端:

mkdir -p ~/.ssh​

chmod 700 ~/.ssh/

​touch ~/.ssh/authorized_keys​

chmod 644 ~/.ssh/authorized_keys​

client端:

ssh-keygen -t rsa   连按3次回车

scp ~/.ssh/id_rsa.pub  remote_serve

回到server端:

​cat ~/id_rsa.pub >> ~/.ssh/authorized_keys

OK​