So let's get NGINX installed on our machine!
By default, the nginx package should already be in Ubuntu's default repositories:
hobnob@hobnob:$ apt-cache show nginxPackage: nginxArchitecture: allVersion: 1.14.0-0ubuntu1...
However, we should use the official NGINX repository to ensure we always get the most up-to-date version. To do this, we need to add NGINX's package repository to the list of repositories that Ubuntu will search for when it tries to download packages.
By default, there are two places that Ubuntu will search: inside the /etc/apt/sources.list ...