I used this tutorial:
"How to install and run Apache web server in Ubuntu Linux"
(by danscourses on Feb 19, 2012)
http://youtu.be/-q8Jj4aAWYw
This tutorial has 3 parts:
1. installing apache web server
2. installing php5
3. installing MySql and phpMyAdmin
(the links to each part are in the description section of the tutorial)
Write down all passwords on a piece of paper or in a text file, and make sure you don't make typos...