centos 7 下配置免密码登录

a机器:192.168.1.123
b机器:192.168.1.124
在a一台机器使用命令ssh-keygen –t rsa  直接默认


在b机器上 使用ssh-keygen –t rsa  直接默认


复制a机器上/root/.ssh/id_rsa.pub文件到b机器/root/./ssh/authorized_keys命令如下:scp ./id_rsa.pub [email protected]:/root/.ssh/authorized_keys


复制b机器上/root/.ssh/id_rsa.pub文件到a机器/root/./ssh/authorized_keys
命令如下:
scp ./id_rsa.pub [email protected]:/root/.ssh/authorized_keys


实现两台机器免密码登录
测试登录:ssh 192.168.1.124不需要输入密码,配置成功

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转载自blog.csdn.net/yz972641975/article/details/52577054