Settting up a LAMP Stack on Ubuntu 16.04 LTS
Install a Mailagent
To make your website to be able to send e-mails, you most likely have to install an mailagent
sudo apt install postfix
sudo apt install apache2
Installing MariaDB or MySQL
There is a battle which one is better MySQL or MariaDB. I do prefer MariaDB, because it is 100% open source.
To download and install mariaDB follow the instructions at MariaDB Repositories Setup Tool
At the moment of this writing PHP 5.6 is depreciated. PHP 7.0 means a huge performance upgrade from PHP 5.6. PHP 7.1 will also deliver a major performance boost over PHP 7.0. And PHP 7.2 will again deliver a performance boost over PHP 7.1.
PHP 7.0 can be installed as follows:
sudo apt install php7.0 libapache2-mod-php7.0 php7.0-opcache php7.0-mysql php7.0-gd php7.0-intl php7.0-mbstring