Re: [Beowulf] Newbie

[Leif Nixon <nixon@xxxxxxxxxx>]

Skylar Thompson <skylar@xxxxxxxxxxxxxx> writes:

> For a variety of reasons, I recommend using ssh with passwordless
> keys, rather than host authentication with rsh.

I beg to differ. Passwordless keys are a really bad habit (except in
very special circumstances like cron jobs - but then the key should be
restricted in authorized_keys to allow a single command).

Setting up hostbased authentication for ssh is much more appropriate
for a cluster environment.

http://www.snailbook.com/faq/trusted-host-howto.auto.html

-- 
Leif Nixon                       -            Systems expert
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National Supercomputer Centre    -      Linkoping University
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