If you ordered a control panel with your vps, please see the links below on how to access it -

1. cPanel
   1. WHM/cPanel - http://docs.cpanel.net/twiki/bin/view/AllDocumentation/AccessingServices#How%20do%20I%20log%20into%20WHM?
2. Plesk
   1. Open a Web browser and go to https://ipaddress:8443/, where ipaddress is the IP Address displayed in your server Control Panel.
   2. Enter "admin" as your user name.
   3. Enter the password you defined when setting up your server account.
3. DirectAdmin
   1. DirectAdmin can be accessed at http://server.ip.address:2222 -- use the Admin username/password specified in the welcome email