Please find the result as follows:


Code:
sherly@HOME:~/www/sherly.dev$ sudo apt-get install php5-crypt
[sudo] password for sherly: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package php5-crypt
sherly@HOME:~/www/sherly.dev$ sudo php5enmod mcrypt
WARNING: Module mcrypt ini file doesn't exist under /etc/php5/mods-available
WARNING: Module mcrypt ini file doesn't exist under /etc/php5/mods-available
sherly@HOME:~/www/sherly.dev$ sudo service apache2 restart
 * Restarting web server apache2                           AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message
                                                                         [ OK ]