Apache Wiki wrote:

 4. the master machine MUST have a no-password login (ssh) to all the slave 
machines, using the same username.

Actually, you can publish the public key of the account on the master machine to all nodes (put it in ~/.ssh/authorized_keys) - this way the accounts are still protected, but the authentication is performed using private/public keys, and doesn't require any interaction either.

--
Best regards,
Andrzej Bialecki     <><
___. ___ ___ ___ _ _   __________________________________
[__ || __|__/|__||\/|  Information Retrieval, Semantic Web
___|||__||  \|  ||  |  Embedded Unix, System Integration
http://www.sigram.com  Contact: info at sigram dot com




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