Ubuntu is a really popular OS, that makes use of the Linux kernel. Even though it's used primarily on desktops, its server version has been rising in popularity recently as well. Ubuntu is one of the lightest Linux releases available and it is compatible with almost any kind of hardware, that makes it a universal OS. It's also very stable and secure and has an at the very least a five-year support life cycle, so you're able to receive official protection and performance updates. Unlike alternative Operating Systems, Ubuntu is distributed without license fees and you will be able to modify its core, and / or any of the thousands of packages it comes with, in any way you see fit. This enables you to set up the proper software environment for your web apps irrespective of their specifications. Because of the popularity of the OS, Ubuntu has huge developer and user communities, so that you'll always find find a lot of materials on the Internet regarding any question or problem which you might have.