A virtual or a dedicated server is a standalone machine, which has its own Operating System and always keeping the latter up-to-date is a vital, albeit underestimated task. Not simply can an update enhance the general performance of your internet sites, but it could also save you a lot of troubles later on. An update may be released for a variety of reasons, the most frequent being to fix newly identified security holes, which may permit third-party people to access and alter the content which you have on the server. You may also see an improved functionality of your web applications as updates may also be released for better compatibility between the Os and the configuration it functions on in order to get the most out of the hardware. Moreover, if you keep your applications up-to-date, they may also need a later Operating system version that will have the necessary software dependencies and will enable them to work properly.