Before unzipping the ltu-engine.zip:

1. On your EC2 admin interface, go to Security policy:

• add tcp port 8888
• add tcp port 7789
• add tcp port 8080
• add tcp port 8081

2. System configuration :

• Add your hostname to `/etc/hostname` and Refresh the hostname configuration:

$> echo "<hostname>" > /etc/hostname
$> hostname -F /etc/hostname

• Add the external Amazon IP and hostname to `/etc/hosts`:

/etc/hosts

<external Amazon IP address>     <hostname>

• Add the external Amazon IP address to `/etc/network/interfaces` as a loopback entry:

/etc/network/interfaces

iface lo:0 inet static 
  address <external Amazon IP address>
  netmask 255.255.255.255