"ssh -i /path/to/key" seems like it would do what you want, which makes me think...

		thaumaturgy on Oct 25, 2012 \| parent \| context \| favorite \| on: SSH key and passwordless login basics for develope... "ssh -i /path/to/key" seems like it would do what you want, which makes me think I don't understand the problem you're trying to solve.