Rohit ranjan u can follow this steps

a.Enter into folder /var/www/html b.Rename index.html to index_replica.html file c.create new file index.html and paste below code in it

$ cd /var/www/html $ sudo mv index.html index_replica.html $ sudo vi index.html

(

<!DOCTYPE html>

<html>

<body style="background-color:powderblue;"> <h1>Hello its server no 1 </h1> </body> </html> )