A virtual or a dedicated server is a standalone machine, which has its own Os and keeping the latter up-to-date is an important, albeit underestimated task. Not simply can an update improve the functionality of your internet sites, but it can also save you lots of problems in the future. An update could be released for many different reasons, the most prevalent being to fix recently found security holes, which may permit third-party individuals to access and alter the content which you have on the server. You will also see an improved overall performance of your web programs as updates could also be released for better compatibility between the Operating System and the configuration it operates on in order to get the most out of the hardware. Additionally, if you keep your applications up-to-date, they might need a later OS version which will have the needed software dependencies and will enable them to function properly.