Lets Encrypt SSL

First lets be very clear: I know very little about Linux, and I am working with a headless Ubuntu 18 server on an AWS lightsail instance.

I was able to get the certificates using this guide:

Now I am on to the guide found on the Ignition website:

Specifically I am on this step to create the certificate bundle:


never mind. I now understand the using of sudo better, copying files to temp directories, and changing permissions.