A virtual or a dedicated hosting server is a standalone machine, which has its own Os and maintaining the latter up-to-date is an important, though underrated task. Not simply can an update boost the general performance of your websites, but it could also save you a lot of issues later on. An update can be released for many different reasons, the most widespread being to fix recently discovered security holes, which may permit third-party people to access and modify the content which you have on the server. You will also see an improved efficiency of your web programs as updates may also be released for better compatibility between the Operating System and the configuration it functions on so as to get the most out of the hardware. Furthermore, if you keep your programs up-to-date, they could also need a later Operating system version which will have the necessary software dependencies and will allow them to function adequately.