Prepare Ubuntu to SCP batch
By: Onno W. Purbo

Client Machine
$ ssh-keygen -t dsa
	<ENTER>
	<ENTER>
	<ENTER>
	/home/user/.ssh/id_dsa.pub

$ chmod 600 /home/user/.ssh/id_dsa.pub
$ scp /home/user/.ssh/id_dsa.pub 'user@machine:~/.ssh/authorized_keys'