How to Install LAMP on Linux Mint 19 Easy Guide

Getting Started

4. 4. Testing LAMP Web Server

   Finally, to Test LAMP WebServer Installation.

   cd /var/www/html

   Create a PHP Info file:

   sudo touch info.php

   sudo chown www-data:www-data info.php

   sudo nano info.php

   If Got “User is Not in Sudoers file” then see: How to Enable sudo
   Append:

   <?php
   phpinfo();
   ?>
   

   Ctrl+x to Save & Exit from nano Editor ;)
   Open on Browser the URL: http://localhost/info.php
   
   You should Successfully see the PHP Info notice :)

How to Create an Apache 2 Virtual Host on Mint.