client实现免密登陆server

设置服务器免密登录

1. Client本地生成密钥对

ssh-keygen -t rsa    

2. 将Client服务器的公钥证书id_rsa.pub复制到Server服务器的.ssh子目录中

scp -p ~/.ssh/id_rsa.pub root@服务器ip或者域名:~/.ssh/
#输入密码

3.在Server服务器

mv ~/.ssh/id_rsa.pub ~/.ssh/authorized_keys

4.小插曲(问题)

5.成功实现

sunyun@sunyundeMacBook-Pro ~ % cd /Users/sunyun/.ssh/
sunyun@sunyundeMacBook-Pro .ssh % ls
config            id_rsa_gitee        id_rsa_github.pub
id_rsa            id_rsa_gitee.pub    known_hosts
id_rsa.pub        id_rsa_github
sunyun@sunyundeMacBook-Pro .ssh % chmod 0600 id_rsa