Set up moodle on ubuntu server 14.04 (on amazon EC2 instance, should work with little or no modification on others). The database username/password will be moodle/mymoodlepassword123 .

setup_moodle_on_ubuntu.sh

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install apache2 mysql-client mysql-server php5
sudo apt-get install graphviz aspell php5-pspell php5-curl php5-gd php5-intl php5-mysql php5-xmlrpc php5-ldap clamav
sudo service apache2 restart
sudo apt-get install git-core
cd /opt
sudo git clone git://git.moodle.org/moodle.git
cd moodle/
sudo git branch --track MOODLE_28_STABLE
sudo git checkout MOODLE_28_STABLE
sudo cp -R /opt/moodle /var/www/html/
sudo mkdir /var/moodledata
sudo chown -R www-data /var/moodledata
sudo chmod -R 777 /var/moodledata
mysql -u root -p -e "
    CREATE DATABASE moodle DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;
    create user 'moodle'@'localhost' IDENTIFIED BY 'mymoodlepassword123';
    GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,CREATE TEMPORARY TABLES,DROP,INDEX,ALTER ON moodle.* TO moodle@localhost;"
sudo chmod -R 777 /var/www/html/moodle
echo "--- please ignore the next bit if you're not on amazon EC2 ---"
export PUBLIC_HOSTNAME=`curl http://169.254.169.254/latest/meta-data/public-hostname`
echo "Now go to the following URL to complete setup:"
echo "----------------------------------------------"
echo "http://"$PUBLIC_HOSTNAME"/moodle"
echo "----------------------------------------------"
echo
echo "When you are finished, run the following command:"
echo "sudo chmod -R 0755 /var/www/html/moodle"