yeh i tried restarting... but i get to see the following

 /etc/init.d/apache2 restart
 * Restarting web server apache2
   apache2: Could not reliably determine the server's fully qualified domain
name, using 127.0.0.1 for ServerName
 ... waiting apache2: Could not reliably determine the server's fully
qualified domain name, using 127.0.0.1 for ServerName

Thanks and Regards,
Amrita

On Wed, Jun 1, 2011 at 11:50 AM, Marcus Bointon
<marcus@synchromedia.co.uk>wrote:

> On 1 Jun 2011, at 08:12, Amrita Jayakumar wrote:
>
> I have deployed this code into a php file *phcass.php* in the ubuntu
> machine in the location */var/www/vishnu/*. But nothing happens when i
> execute the file through the browser. Neither can i find the data inserted
> in the column family '*Users*'.
> can anyone help???
>
>
> Did you restart apache after changing that PHP config?
>
> Are you certain it's running at all? instead of that echo, try
> var_dump($column_family);
>
> Marcus
>