IN /etc/hosts
no seu VPS você verá algo como:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
## Entries below this line are added by the user and ** ARE NOT ** Defaults
127.0.0.1 (localhostname.domainname)
98.132.125.0 example.com ## replace this lines info with the IP addr your get from http://whatsmyipaddress.com (FROM VPS ) and the domainame instead of example.com