How to install Apache, MySQL and PHP on Ubuntu 14.04
Update
# sudo apt-get update
Apache
# sudo apt-get install apache2
Install MySQL
# sudo apt-get install mysql-server php5-mysql
# sudo mysql_install_db
# mysql_secure_installation
Install PHP
# sudo apt-get install php5 libapache2-mod-php5 php5-mcrypt
Restart Server
# sudo /etc/init.d/apache2 restart
Check Apache
Open a web browser and navigate to http://IPADDRESS. You should see a message saying It works!
Check PHP
# php -r 'echo "\n\nYour PHP installation is working fine.\n\n\n";'