FQDN on Ubuntu 20.04lts

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Author: Keith Smith via PLUG-discuss
Date:  
To: Main PLUG discussion list
CC: techlists
Subject: FQDN on Ubuntu 20.04lts


Hi,

I recently installed Ubuntu 20.04 and it did not ask for my domain. I
am building a PHP web hosting server for learning.

Prior to this when installing Linux it always asked me for the domain
the machine was going to be in. Maybe I missed something.

When I issued the command "hostname" it returned the host name. When I
issued the command "hostname -f" it only returned the hostname.

To fix this I added this line to /etc/hosts "255.255.255.255
hostname.Domain.tld hostname".

255.255.255.255 represents my public IP.

Questions

1) Did I miss something on the install?
2) I am running BIND so is the line I added necessary to "fix" the FQDN?
3) Is there another or better way?
4) Since my webserver is on a private IP using port forwarding, should I
use my private IP in /etc/hosts instead of my public IP?


Thanks!!
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