A virtual or a dedicated hosting server is a standalone machine, that has its own Os and always keeping the latter up-to-date is a vital, although underrated task. Not only can an update boost the functionality of your internet sites, but it can also save you a great deal of troubles in the future. An update can be released for a lot of reasons, the most frequent being to fix recently found security holes, which may enable third-party people to access and alter the content you have on the server. You can also see an improved performance of your web applications since updates could also be released for better compatibility between the Operating System and the configuration it operates on so as to get the most out of the hardware. Furthermore, if you keep your applications up-to-date, they may also need a later Operating system version which will have the necessary software dependencies and will enable them to work effectively.