My domain is: www.mattserver.com
I ran this command:
certbot --apache -d mattserver.com
It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator apache, Installer apache Obtaining a new certificate Performing the following challenges: http-01 challenge for mattserver.com Enabled Apache rewrite module Waiting for verification... Cleaning up challenges Failed authorization procedure. mattserver.com (http-01): urn:acme:error:dns :: DNS problem: NXDOMAIN looking up A for mattserver.com
My web server is (include version): L.A.M.P.
Apache 2.4.29, Mysql 5.7, Php 7.2
The operating system my web server runs on is (include version): Ubuntu 18.04.1 LTS
I can login to a root shell on my machine (yes or no, or I don’t know): yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no
Note: I am pretty inexperienced with linux shell but I do know quite a bit.