The server in this demonstration, and the servers mentioned in subsequent demonstrations in this chapter will be running Ubuntu Linux version 16.04 LTS on Linode, a provider of virtual private server (VPS) instances. We will be running Linode's default stock image of Ubuntu 16.04 without making any kernel modifications.
We will create a less-privileged user called igweb by issuing the following command:
$ sudo adduser igweb
After running the adduser command, you will be prompted to enter additional information ...