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启动hadoop 的时候,可能会报错:
The authenticity of host 192.168.0.xxx can‘t be established
解决方案是,在报错的机器上执行如下代码:
ssh -o StrictHostKeyChecking=no 192.168.0.xxx
The authenticity of host 192.168.0.xxx can't be established
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原文地址:http://www.cnblogs.com/BennyTian/p/4228966.html