A virtual or a dedicated hosting machine is a standalone machine, that has its own Os and maintaining the latter up-to-date is an important, although underestimated task. Not simply can an update improve the functionality of your internet sites, but it can also save you lots of issues in the future. An update can be released for many different reasons, the most prevalent being to fix newly found security holes, which may allow third-party people to access and alter the content that you have on the hosting server. You will also see an improved performance of your web applications since updates can also be released for better compatibility between the Os and the configuration it functions on so as to get the most out of the hardware. Additionally, if you keep your applications up-to-date, they might also need a later OS version which will have the needed software dependencies and will enable them to work adequately.