Re: how to automate public key authentication when server dual-boots two linuxes

That is the only way.
Remember to copy both the public and private key files.

On 6/7/06, John Lumby <johnlumby@hotmail.com> wrote:
> I have a hopefully simple question on setup for sshd.
>
> I recently switched my server from rshd to sshd and it works fine.  I am
> using public key authentication.
>
> However the wrinkle is that this server has two different linux partitions
> which I need to alternate between (strictly only one at a time, not a
> virtual machine setup).     With rshd they both appeared to be identical as
> far as rsh authentication.   With sshd, when I booted the second one, and
> then tried an ssh to it from another machine, of course I got
>
> WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
>   ... rsa fingerprint ...   etc etc.
>
> I realize that this is exactly what sshd is designed to do, to detact
> impersonation of the server, but unfortunately that's exactly what I need to
> do (but of course don't want any other impersonator to be recognized).
>
> I could try just overwriting the second server partition's
> /usr/local/etc/ssh_host_rsa_key.pub
> with the first one - but is that the right way?   Would that cause other
> problems?      Hoping someone else has come across this and there is some
> recognized solution to this.
>
> John


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                                        -Centauri