Is systemd-resolved essential?

[Chris Green]

On Fri, Jul 10, 2020 at 02:07:04PM -0400, Robert Heller wrote:
> I have several machines on a LAN (some fixed workstations and a couple of 
> laptops) all running Ubuntu 18.04.  I also have a local server on that LAN 
> (presently running CentOS 6) running Bind9 providing *local* DNS services.
> 
> Almost every week when I run the software updates, I have to restart 
> systemd-resolved, since for some reason it "forgets" about the local DNS 
> server.  This is at the very least annoying.  I am considering just doing 
> 'apt-get purge systemd-resolved' and doing completely without 
> systemd-resolved.  Is there ANY compelling reason not to do this?
> 
If you have your own local DNS then I think removing systemd-resolved
completely may be the way to go.  I've had all sorts of issues that
seem to be caused by systemd-resolved 'oddities', I run dnsmasq on a
Raspberry Pi on my LAN and have disabled most of what systemd-resolved
does.

-- 
Chris Green