A virtual or a dedicated server is a standalone machine, which has its own Operating System and keeping the latter up-to-date is an essential, although underrated task. Not simply can an update boost the functionality of your sites, but it could also save you lots of troubles later on. An update could be released for a variety of reasons, the most prevalent being to fix newly identified security holes, which may permit third-party individuals to access and alter the content you have on the server. You can also see an improved overall performance of your web applications because updates can also be released for better compatibility between the Os 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 may also need a later Operating system version which will have the required software dependencies and will enable them to operate properly.