[Linux-cluster] Re: Commands for communicating among nodes?

Juan Ramon Martin Blanco robejrm at gmail.com
Sat Jul 4 13:13:49 UTC 2009


On Sat, Jul 4, 2009 at 12:19 PM, Brady Vass <brdvss at gmail.com> wrote:

>
>  Hi,
>>
>> I am trying to find out if there are any dedicated commands that allows
>> for file copying or command execution among nodes in RHCS. i.e, these
>> commands need to be exclusive with the RHCS s/w and the communication should
>> be seamlessly without the need for password authentications.
>>
>> (PS: I dont want to use rsh/ssh genre of commands. Other HA solution comes
>> with exclusive set of cluster commands. I am looking for something similar.)
>>
>>
> You can always use public key authentication with ssh and scp,
communication will be seamless. You can also use dsh (or any parallel shell
on top of ssh) to execute the same command on all the nodes at once.

Greetings,
Juanra

> Thanks and regards,
>>
>> Brady
>>
>
>
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