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https://issues.apache.org/jira/browse/HADOOP-12061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572916#comment-14572916
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André Kelpe commented on HADOOP-12061:
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no need to make the file executable. chmod 600 should be enough.
> Incorrect command in 2.7.0 single cluster setup document
> --------------------------------------------------------
>
> Key: HADOOP-12061
> URL: https://issues.apache.org/jira/browse/HADOOP-12061
> Project: Hadoop Common
> Issue Type: Bug
> Components: documentation
> Affects Versions: 2.7.0
> Reporter: Kengo Seki
> Priority: Minor
> Labels: newbie
> Attachments: HADOOP-12061.001.patch
>
>
> There seems to be a trivial fault in the single node cluster setup document
> on branch-2.
> "Setup passphraseless ssh" says as follows:
> {code}
> $ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
> $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
> $ export HADOOP\_PREFIX=/usr/local/hadoop
> {code}
> But it should be:
> {code}
> $ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
> $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
> $ chmod 0700 ~/.ssh/authorized_keys
> {code}
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