Installing Elgg on Ubuntu Linux
Install the dependencies:
sudo apt-get install apache2 sudo apt-get install mysql-server sudo apt-get install php5 libapache2-mod-php5 php5-mysqlnd sudo apt-get install phpmyadmin sudo a2enmod rewrite
Edit
/etc/apache2/sites_available/default
to enable .htaccess processing (set AllowOverride to All)Restart Apache:
sudo /etc/init.d/apache2 restart
Follow the standard installation instructions