Re: Disabling hostkey checking for SSH?

From: David Erickson <no email>
Date: Thu, 23 Feb 2012 15:06:05 -0800

Got it ya that makes sense.

-D

On 02/23/2012 03:03 PM, Justin Riley wrote:
>
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> Right, in this case you're logging in interactively which will never
> work without stalling in a script even without strict host key checking.
>
> Simply running:
>
> $ starcluster sshmaster mycluster
>
> will log you in interactively just like using ssh manually. This mode
> can never be used in a script without stalling. If you additionally pass
> a command (in single quotes) to run as I showed in my previous message
> it will execute the command without prompting for host-key, print the
> output to your screen, and exit.
>
> Make sense?
>
> HTH,
>
> ~Justin
>
>
> On 2/23/12 5:57 PM, David Erickson wrote:
>> Hi Justin-
>> I get prompted for the key before I even connect to the cluster
> master, eg:
>>
>> starcluster sshmaster cluster
>> StarCluster - (http://web.mit.edu/starcluster) (v. 0.93.1)
>> Software Tools for Academics and Researchers (STAR)
>> Please submit bug reports to starcluster_at_mit.edu
>>
>> The authenticity of host
> 'ec2-50-112-23-169.us-west-2.compute.amazonaws.com (50.112.23.169)'
> can't be established.
>> RSA key fingerprint is 17:25:7c:44:d8:07:9a:79:ac:56:53:fa:6b:6c:76:1b.
>> Are you sure you want to continue connecting (yes/no)?
>>
>> -D
>>
>> On 02/23/2012 02:52 PM, Justin Riley wrote:
>> >
>> You will not be prompted for host-key checking assuming you're running
>> commands, e.g.:
>>
>> $ starcluster sshmaster mycluster 'find /etc -iname \*.conf'
>>
>> HTH,
>>
>> ~Justin
>>
>> On 2/23/12 2:59 PM, David Erickson wrote:
>> >>> Hi is there any way using Starcluster's sshmaster/sshnode commands to
>> >>> disable host key checking?
>> >>> EG:
>> >>> UserKnownHostsFile=/dev/null
>> >>> StrictHostKeyChecking=no
>> >>>
>> >>> I'd like to script the commands an interactive yes/no queries are
>> >>> problematic.
>> >>>
>> >>> Thanks,
>> >>> David
>> >>> _______________________________________________
>> >>> StarCluster mailing list
>> >>> StarCluster_at_mit.edu
>> >>> http://mailman.mit.edu/mailman/listinfo/starcluster
>>
>> >
>> >
>>
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Received on Thu Feb 23 2012 - 18:06:06 EST