假设两台Linux机器A和B
分别在A和B执行如下命令
1、生成密钥
ssh-keygen -t rsa -P ''
直接回车,会在~/.ssh/目录下生成私钥id_rsa和公钥 id_rsa.pub
2、导入本机
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
3、拷贝给对方并且追加到本机
#拷贝给对方scp ~/.ssh/id_rsa.pub root@ip:~#追加到本机cat ~/id_rsa.pub >> ~/.ssh/authorized_keys
4、授权
chmod 755 ~chmod 700 ~/.sshchmod 600 ~/.ssh/authorized_keys
5、测试登录
ssh ip