I got a MBWE2 a week ago or so with "improvement" in mind. After getting ssh access using Martin Hinner's hack, I did the following to turn the MBWE into a rsync server:
Add the following line to /etc/services:
rsync 873/tcp
Add the following to /etc/inetd.conf:
rsync stream tcp nowait root /usr/bin/rsync rsyncd --daemon
You'll also need to edit /etc/rsyncd.conf to your liking. Check the rsyncd.conf man page for details.
That's all!
Also
chmod 640 /usr/local/etc/rsyncd.secrets
n.b. This only applies if you are connecting directly to rsyncd (i.e. via port 873). If you intend to rsync over ssh which I believe is the default for rsync, none of the above is required, if you have ssh access, you can rsync to it like below without any further modifications!
rsync -az source user@host:directory
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1. Just a note, OptWare has rsync-3.x available to install (firmware 1.x ships with rsync-2.x I believe) — mallchin