A virtual or a dedicated hosting machine is a standalone machine, which has its own Os and maintaining the latter up-to-date is an important, although underrated task. Not simply can an update improve the functionality of your internet sites, but it can also save you lots of troubles later on. An update could be released for a lot of reasons, the most prevalent being to fix recently discovered security holes, which may allow third-party people to access and alter the content you have on the hosting machine. You might also see an improved functionality of your web applications since updates can 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. Furthermore, if you keep your apps up-to-date, they may also need a later OS version which will have the required software dependencies and will permit them to work effectively.