A virtual or a dedicated server is a standalone machine, that has its own Operating System and always keeping the latter up-to-date is a vital, although underrated task. Not simply can an update improve the overall performance of your sites, but it could also save you lots of issues in the future. An update may be released for a number of reasons, the most prevalent being to fix recently identified security holes, which may permit third-party individuals to access and modify the content you have on the hosting machine. You might also see an improved performance of your web programs since updates can also be released for better compatibility between the Operating System and the configuration it operates on so that you can get the most out of the hardware. In addition, if you keep your programs up-to-date, they could need a later OS version that will have the needed software dependencies and will enable them to work adequately.