natty	server	release	20121028	amd64	server/releases/natty/release-20121028/ubuntu-11.04-server-cloudimg-amd64.tar.gz	ubuntu-natty-11.04-amd64-server-20121028
natty	server	release	20121028	i386	server/releases/natty/release-20121028/ubuntu-11.04-server-cloudimg-i386.tar.gz	ubuntu-natty-11.04-i386-server-20121028