setup main domain
 

i have a vps and full control of it. i have just installed apache and want to know how can i setup the main domain of vps ????

Are you looking to register a domain?

no, not that, i have on registered domain. but when i open that domain, i get the page containing

Great Success !
Apache is working on your cPanel® and WHM™ Server
etc etc.

it is not taking me to the public_html folder. how can i take it there ???

Try to log into your account and cd into /var/www or /var/apache/www. See if you can find any html files there. If you can try to change your index.html file and reload your main page in your browser.