joomla! is an open-source content management system. It's coded using PHP and supports Internet and intranet content publishing.
JSP
JSP, or Java Server Pages, controls the content or appearance of Web pages. It generates XML.
Linux
Originally created by Linus Torvalds, Linux is a free, open-source operating system based on UNIX.
load balancing
Load balancing is a feature that distributes processing and communications activity across components to minimize resource usage and wait time on any individual component.
log file
A log file is a text file maintained on a server that displays accessed file locations.
