For an edge node, you need to include the hadoop jars and configuration files in that box like any other node(Use the same version your cluster has). But no need to start any hadoop daemons.
You need to ensure that this node is able to connect with all machines in the cluster.
Sent from handheld, please excuse typos.
From: Manoj Babu <email@example.com>
Date: Thu, 15 Nov 2012 10:03:24 +0530
Subject: Setting up a edge node to submit jobs
How to setup a edge node for a hadoop cluster to submit jobs?
Thanks in advance!