Here are simple steps to get AMP (Apache, MySQL and PHP) running in Ubuntu.
1.) sudo aptitude install apache-mpm-prefork php5-mysql mysql-server -y
If you need phpmyadmin:
1.) sudo aptitude install phpmyadmin -y
2.) cd /etc/apache2/sites-available
3.) ln -s /etc/phpmyadmin/apache2.conf phpymadmin
4.) a2ensite phpymadmin
5.) /etc/init.d/apache2 reload
you can now go to : http://localhost/phpmyadmin
