One of the things the Linux server doesn’t have is an elegant way to communicate to users downtime and outages. This can be crucial information to users of your services so that they know when to prepare for servers being down for maintenance (or other reasons).
Fortunately, there is an outstanding tool you can install on your Linux servers that can easily inform those users of pending downtime. That tool is
Cachet. Cachet can be installed on almost every Linux distribution, but I will walk you through the process of installing this tool on the Ubuntu Server 18.0 platform.