... To get the most out of your Linux server, such as adding features, getting rid of potential bugs, and ensuring it is reasonably free of security holes, it is a good idea to keep your server -- including the Linux kernel, modules, and user applications -- upgraded. ... Popular Linux applications are almost always released as RPM files, usually in fairly short order. ... Following such a scheme will make the administration of your system a bit easier (although, not as easy as on an RPM-only system). ...