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Re: DNS on minimal new installation

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On Thu, Oct 24, 2024 at 04:31:18PM -0400, Greg Wooledge wrote:
> On Thu, Oct 24, 2024 at 21:24:17 +0100, Joe wrote:
> > In an installation not using a DHCP client, you would be expected to
> > make your own DNS and gateway arrangements along with the IP address.
> 
> OK.  I'm guessing that's not relevant here, though.
> 
> > If
> > you're not running Network Manager nor a resolver application, nothing
> > will touch /etc/resolv.conf, so the nameserver would normally go there,
> > as you have done.
> 
> That part's incorrect.  The thing that usually modifies resolv.conf in
> most setups is in fact the DHCP client daemon.  That will happen even
> if Network Manager is not in use.

I think there is some confusion in this thread between "resolver" and
"DNS server". Your base installation always has a resolver, typically
part of your libc. This one is the piece responsible for looking up
host names (and typically configured via /etc/resolv.conf); it may
do some caching.

The DNS servers are the things queried by the resolver (among others,
like /etc/hosts).

A caching resolver overlaps in function somewhat with a local DNS server,
perhaps thus the confusion.

And then there are browsers doing DoH. Pure evil, if you ask me.

Cheers
-- 
t 

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Thread

DNS on minimal new installation Chris Green <cl@isbd.net> - 2024-10-24 21:20 +0200
  Re: DNS on minimal new installation Greg Wooledge <greg@wooledge.org> - 2024-10-24 21:40 +0200
    Re: DNS on minimal new installation Chris Green <cl@isbd.net> - 2024-10-24 23:00 +0200
  Re: DNS on minimal new installation Joe <joe@jretrading.com> - 2024-10-24 22:30 +0200
    Re: DNS on minimal new installation Greg Wooledge <greg@wooledge.org> - 2024-10-24 22:40 +0200
      Re: DNS on minimal new installation <tomas@tuxteam.de> - 2024-10-25 07:20 +0200
        Re: DNS on minimal new installation Chris Green <cl@isbd.net> - 2024-10-25 09:30 +0200
          Re: DNS on minimal new installation Joe <joe@jretrading.com> - 2024-10-25 10:40 +0200
            Re: DNS on minimal new installation <tomas@tuxteam.de> - 2024-10-25 11:40 +0200
      Re: DNS on minimal new installation Chris Green <cl@isbd.net> - 2024-10-25 09:20 +0200
      Re: DNS on minimal new installation Joe <joe@jretrading.com> - 2024-10-25 10:40 +0200
        Re: DNS on minimal new installation Greg Wooledge <greg@wooledge.org> - 2024-10-25 13:40 +0200
          Re: DNS on minimal new installation eben@gmx.us - 2024-10-25 17:50 +0200

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