A virtual or a dedicated hosting server is a standalone machine, that has its own Os and maintaining the latter up-to-date is an important, though underrated task. Not simply can an update improve the functionality of your internet sites, but it could also save you a lot of issues in the future. An update can be released for many different reasons, the most prevalent being to fix recently identified security holes, which may enable third-party individuals to access and modify the content which you have on the hosting server. You may also see an improved performance of your web applications since updates could also be released for better compatibility between the Os and the configuration it works on so that you can get the most out of the hardware. Furthermore, if you keep your applications up-to-date, they might need a later Operating system version that will have the required software dependencies and will enable them to function properly.