linuxssh登录问题

我在centos6.5 的几台机器上新建了用户hadoop,我在配置ssh的时候每次都需要输入密码。1） .ssh 文件夹的权限我已经修改成了700，authorized_keys文件权限也是600 还是不行。2）防火墙,selinux 都关闭了也不行。3） restorecon 也不行。4）调试模式[hadoop@namenode ~]$ ssh -v datanode1OpenS...

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