Here are the exact instructions:
sudo apt-get install apache2 php5 php5-mysql php5-gd php5-curl mysql-server
copy everything from the upload directory of opencart to /var/www
change permissions – sudo chmod -R 777 *
sudo mysql_install_db
sudo mysql_secure_installation
login to sql server – mysql –user=root -p
create database opencart;
create user opencartuser;
SET PASSWORD FOR opencartuser = PASSWORD(‘insertYourPasswordHere’);
GRANT ALL PRIVILEGES ON opencart.* TO opencartuser@localhost IDENTIFIED BY ‘thePasswordYouChoseAbove’;
edit /etc/apache2/httpd.conf and add ServerName localhost
Give the machine a restart
follow the instructions
remove the install directory (its inside /var/www in case ur wondering ?