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List:       npaci-rocks-discussion
Subject:    Re: [Rocks-Discuss]ROCKS preserves ssh host keys
From:       "Greg Bruno" <greg.bruno () gmail ! com>
Date:       2006-03-29 17:07:37
Message-ID: e572dbf60603290907x45af5f75v5f0fdb7e5f3f448e () mail ! gmail ! com
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On 3/29/06, Steven Lee <slee@cs.cornell.edu> wrote:
> I have a quick question: does ROCKS preserve ssh host keys when it
> rebuilds a node?  If it does, how is this accomplished?  My quick test
> shows host keys are indeed preserves, but I can't find host key pairs in
> the database or anywhere in /home/install.
>
> I am asking because I want to use hostbased authentication to speed up
> opening ssh connections between the compute nodes.

the host key from the frontend is used as the host key for all compute
nodes, that is, there is one host key for each node in the cluster.

for details, on your frontend see:

/home/install/rocks-dist/lan/*/build/nodes/ssh-client.xml

 - gb

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