A virtual or a dedicated server is a standalone machine, that has its own Os and always keeping the latter up-to-date is a vital, albeit underestimated task. Not simply can an update boost the functionality of your websites, but it will also save you lots of issues later on. An update could be released for a number of reasons, the most frequent being to fix newly discovered security holes, which may allow third-party people to access and modify the content that you have on the server. You can also see an improved efficiency of your web programs because updates may also be released for better compatibility between the Operating System and the configuration it functions on so that you can get the most out of the hardware. Additionally, if you keep your programs up-to-date, they might also need a later OS version which will have the required software dependencies and will enable them to function adequately.