客户端

(1)生成公钥

ssh-keygen

(2)将公钥复制到服务器的/root/.ssh/目录

scp ~/.ssh/id_rsa.pub root@192.168.1.26:/root/.ssh/id_rsa.pub

 

 

服务器

(1)打开登录验证

vi /etc/ssh/sshd_config

删掉这两行的注释

RSAAuthentication yes

PubkeyAuthentication yes

(2)导入公钥

touch /root/.ssh/authorized_keys

cat /root/.ssh/id_rsa.pub > /root/.ssh/authorized_keys

(3)修改权限

chmod 700 /root/.ssh/

chmod 600 /root/.ssh/authorized_keys