$ euca-describe-availabiliy-zones
$ euca-describe-availability-zones verbose
$ euca-describe-instances
$ euca-describe-images
$ euca-run-instances {imagen] -k mykey -t m1.small; watch -n4 euca-describe-instances
$ ssh -i mykey.priv ubuntu@{ip_publica_asignada}
$ euca-terminate-instances {instancia}; watch -n4 euca-describe-instances