I've got a client that wants to do backups off-site on my machine.  I've
setup a user pointing to a non-standard home directory
/files/backup-client and am using rsync with ssh.  I'd like to automate
the process somehow, but I don't want to run rsyncd on my system.  With
ssh it always asks for a password.  How can I avoid this?  I'm currently
using:

rsync /home -r --copy-unsafe-links -l -p -o -g -t -e ssh
[EMAIL PROTECTED]:./

Is there a way I can either prevent ssh from asking for a password and
read it from an environment variable or a file?  I'd like to throw this
into a cronjob and let it go once a night.  The reason I want to use ssh
is it's being sent across the internet so having a secure tunnel is
relatively vital since files in /home and /etc are being transferred.

Any ideas?

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