Configure virtual Host in linux OS Environment

By following the bellow instruction, we can make the local host as virtual host and can use as like as sub domain locally 

1. make available site config from copy the default one. Here is my site will be  naimrajb.com and i renamed it with "naimrajb.com"
  
   sudo cp /etc/apache2/sites-available/default /etc/apache2/sites-available/naimrajb.com

2. Open the new created file for set configuration root and others : 
  
   sudo gedit /etc/apache2/sites-available/naimrajb.com
 
   here set the following config:

        ServerName naimrajb.com //which site name will be
        ServerAlias www.naimrajb.com //which site name will be alias

       DocumentRoot /var/www/NaimRajb_Project_Folder    //where you put the main  project directory

    <Directory /var/www/CrowdRock1/>
        Options Indexes FollowSymLinks MultiViews
        AllowOverride all
        Order allow,deny
        allow from all
    </Directory>

3. Enable new created virtual site by following command

   sudo a2ensite naimrajb.com

4. Restart apache server

   sudo service apache2 restart


5. Open hosts file

   sudo gedit /etc/hosts

6. Then add your site in hosts file

   127.0.0.1    naimrajb.com

All is done :)

Now browse naimrajb.com