A virtual or a dedicated hosting server is a standalone machine, that has its own Operating System and keeping the latter up-to-date is an important, albeit underrated task. Not only can an update enhance the general performance of your internet sites, but it will also save you a lot of issues in the future. An update may be released for a number of reasons, the most common being to fix newly discovered security holes, which may permit third-party people to access and alter the content which you have on the server. You can also see an improved efficiency of your web apps because updates can also be released for better compatibility between the Operating System and the configuration it works on so that you can get the most out of the hardware. Moreover, if you keep your applications up-to-date, they could also require a later OS version which will have the needed software dependencies and will enable them to work properly.