rsync question?

[gene heskett]

Trying to setup a custom backup script here.
I have 2-way ssh logins w/o pw's using rsa keyfiles instead between the
machine containing an 11Tb raid6, and all it clients, but rsync insists
on running its huge username/pw requestor.  This of course kills any
possibility of crontab-ing it.

Is there an optional --option for rsync so it uses the 4096 bit keyfiles
instead of the pw for machine to machine copies? The man page for
rsync-3.2.7 seems silent.

Thank you all.

Cheers, Gene Heskett, CET.
-- 
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-Ed Howdershelt (Author, 1940)
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  - Louis D. Brandeis
Don't poison our oceans, interdict drugs at the src.
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