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https://issues.apache.org/jira/browse/HADOOP-952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12470375
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Tom White commented on HADOOP-952:
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Actually, it is not true that embedding a private SSH key in the image would
allow people to connect to other clusters: the cluster runs in a security group
that only allows other machines in the cluster or a given owner to connect.
(See the ec2-authorize command.) However, it is still a bad idea to embed a
private SSH key in an image, in case people get their security groups
misconfigured.
> Create a public (shared) Hadoop EC2 AMI
> ---------------------------------------
>
> Key: HADOOP-952
> URL: https://issues.apache.org/jira/browse/HADOOP-952
> Project: Hadoop
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 0.11.0
> Reporter: Tom White
> Assigned To: Tom White
> Attachments: hadoop-952.patch
>
>
> HADOOP-884 makes it easy to run Hadoop on an EC2 cluster, but building an AMI
> (Abstract Machine Image) can take a little while. Amazon EC2 supports shared
> AMIs
> (http://developer.amazonwebservices.com/connect/entry.jspa?entryID=530&ref=featured),
> so we could provide publically available AMIs for each Hadoop release.
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