Ubuntu is an exceptionally popular OS, that makes use of the Linux kernel. Even though it is used primarily on personal computers, its server version has been rising in popularity nowadays as well. Ubuntu is one of the lightest Linux distributions you can get and it supports almost any hardware, that makes it a universal Operating System. In addition, it is very stable and secure and has an at least a 5-year support life cycle, so you will be able to get official protection and performance updates. Unlike lots of other Operating Systems, Ubuntu is distributed without license fees and you are able to customize its core, as well as any of the numerous packages it contains, in any way you see fit. This will enable you to set up the right software environment for your web apps irrespective of their specifications. As a result of the popularity of the Operating System, Ubuntu has huge developer and user communities, so that you will always find numerous materials on the web related to any question or problem that you might have.