~$ ubuntu@ip-172-31-33-155:~$ curl http://169.254.169.254/2009-04-04/meta-data/
ami-id    ami-launch-index    ami-manifest-path
block-device-mapping/  hostname    instance-action
instance-id    instance-type    local-hostname
local-ipv4    placement/    profile
public-hostname    public-ipv4    public-keys/
reservation-id    security-groups
~$ curl http://169.254.169.254/2009-04-04/meta-data/public-ipv4
3.124.183.136
