SSH-permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)
2016-10-31 14:37
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配置无密钥登陆时候的问题
在配置无密钥登陆的时候,ssh本机报错。报错信息是:permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)
报错前我的操作:
为了搭建集群
$ su hadoop cd /home/hadoop
配置无密钥:
$ ssh-keygen -t rsa
然后一直按回车,选择默认的操作即可。
ls -a #查看的时候可以发现多了.ssh这个隐藏文件夹
$ ssh localhost
成功
$ ssh node1
失败:报错:permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)
解决
原来我没有做一个很重要的操作!那就是将生成的密钥文件,拷贝到authorized_keys中
可以使用
$cp id_rsa.pub authorized_keys
也可以使用输出流重导向的方法
cat id_rsa.pub >>authorized_keys
重启以后,检查是否无密钥登陆已经设置成功~
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