Is there a way I can setup rsync over ssh but have it so that all the user can do is rsync over ssh? I don't want some particular users to have access to a shell. I just want them to be able to backup. I am looking for the simplest way possible.

Thank you.

I saw that but just can't figure out the whole chroot thing with rsync. I guess I need to copy over a bunch of files and whatnot but am simply lost. I ran the script that rssh includes and while it copied a bunch of files over, it didn't work.

I'm running ubuntu 12.10 on that particular computer.

Ok I got part of the answer...I can use ssh_authorized keys and the command= parameter to do this.

So I created a key and put the following in front of it on the same line in authorized_keys:

command="rsync --server -vlogDtprze.iLsf . /home/tester/Downloads" ssh-rsa AAAAB3NzaC1yc2--etc

Then i ssh to the server via the command: rsync -avz -e ssh /home/me/Downloads tester@192.168.1.100:/home/tester/Downloads

This seems to work. Also, if I change the /home/tester/Downloads it is ignored and my rsync only goes to that folder as that is what's in my authorized_keys file.

My question is how do I run two separate rsync commands but keep them limited to just those two commands? For example, I will want to backup my home directory and my /media/other_files directory.