SSH Keys HOWTO (extremely basic)
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Generate a key pair:
	$ ssh-keygen -t dsa   (or -t rsa)
	This will generate ~/.ssh/id_dsa and ~/.ssh/id_dsa.pub

Copy the public key to the server:
	$ scp ~/.ssh/id_dsa.pub username@hostname:.ssh/authorized_keys


Make ssh-agent start on login:
	I use zsh and have this in ~/.zlogin:
		SSHAGENT=/usr/bin/ssh-agent
		SSHAGENTARGS="-s"
		if [ -z "$SSH_AUTH_SOCK" -a -x "$SSHAGENT" ]; then
			eval `$SSHAGENT $SSHAGENTARGS`
			eval `ssh-add ~/.ssh/id_dsa`
			trap "kill $SSH_AGENT_PID" 0
		fi

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For an extensive HOWTO, including special scenerios, you should see:
http://pkeck.myweb.uga.edu/ssh/