Re: How to get Fedora 35 to use DNS name as hostname?

[Tim]

Tim:
> > I don't see why that's wrong, there were plenty of things that
> > discover their hostname by doing a reverse look-up of their IP.  And
> > he demonstrated several releases that worked exactly that way.

Samuel Sieb:
> What are these plenty of things?  This is the first that I know of. 
> And the question still remains.  Is the OS looking up the hostname
> at runtime or was it always the installer setting it at install time?

He listed several, and even showed a demo.

I listed one Apache, and I seem to recall Jabber and Dovecot did the
same thing (they don't ask your OS what it's host and domain name are,
it checks via DNS lookups).