Ubuntu is a really popular OS, which makes use of the Linux kernel. Although it's used mainly on desktops, its server version has been gaining in popularity recently as well. Ubuntu is among the lightest Linux distributions you can get and it is compatible with almost any kind of hardware, which makes it a universal OS. It is also very stable and secure and has an at the very least a five-year support life cycle, so you'll be able to receive official safety and performance updates. Unlike a number of other OS's, Ubuntu is distributed without any license fees and you will be able to customize its core, as well as any of the numerous packages it features, in any way you see fit. This enables you to set up the best software environment for your web applications irrespective of their requirements. As a result of the popularity of the OS, Ubuntu has large developer and user communities, so that you'll always find find numerous materials on the web about any question or problem which you may have.