Ubuntu/Step by step

Update & Upgrade

# Make sure your list of packages is update to date, and system upgrade 
sudo apt-get update

sudo apt-get upgrade

sudo apt-get dist-upgrade

sudo apt-get autoremove

Web Server (Apache2)

# Installation
sudo apt-get install apache2

# New web site in ~/JUniverse
cd /var/www/html

sudo ln -s ~/JUniverse juniverse

cd /etc/apache2/sites-available

sudo cp 000-default.conf