printing out IP address of machine for user to test installation on Ubuntu via install script. This script handles finding the publicly accessible IP of an Ubuntu install on EC2.

documentation/guides/InstallationUbuntuApache.sh

@@ -28,7 +28,7 @@ echo "===================================================="
 echo ""
 echo ""
 
-apt-get install --assume-yes --quiet apache2 php5 libapache2-mod-php5 php5-curl
+apt-get install --assume-yes --quiet apache2 php5 libapache2-mod-php5 php5-curl curl
 a2enmod rewrite
 
 echo ""
@@ -102,6 +102,15 @@ echo ""
 
 /etc/init.d/apache2 restart
 
+# finding IP address and compensating for possible EC2 installation
+EC2=`curl --silent --connect-timeout 1 http://169.254.169.254/latest/meta-data/public-hostname`
+if [[ $EC2 != "" ]]; 
+then
+	IP=`echo $EC2 | sed -rn 's/ec2-(.*?)\.compute.*/\1/p' | sed 's/-/./g'`
+else
+	IP=`ifconfig eth0 | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}'`
+fi
+
 echo ""
 echo ""
 echo ""
@@ -114,6 +123,10 @@ echo "brand new installation of OpenPhoto."
 echo ""
 echo ""
 echo "Took $SECONDS seconds to install."
+echo ""
+echo ""
+echo "Now you can test your installation by directing your"
+echo "browser to $IP"
 echo "===================================================="
 echo "****************************************************"
 echo ""