You can use public keys and ssh-agent. This page might help:
http://sial.org/howto/openssh/publickey-auth/Ted
Bin YANG wrote:
> Dear colleagues,
>
> As we know, hadoop uses ssh to connect other nodes. It is a little
> inconvenient, because it requires me type the password for each nodes.
>
> I find ssh can disable the password requirement for localhost in
> "Hadoop quick start", is there a way to disable the password
> requirement of ssh for other nodes?
>
> Thanks!
>
> Best wishes,
> Bin YANG
>
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