Re: Fedora 34 dns resolution problems?

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On Sun, 2021-01-03 at 11:30 +0800, Ed Greshko wrote:
> On 03/01/2021 08:57, Sam Varshavchik wrote:
> > Michael H. Warfield writes:
> > 
> > > Fedora 34 and the Fedora 33).  All on the same network.  All with
> > > the
> > > same name servers for resolution.
> > > 
> > > /etc/resolv.conf
> > > -- 
> > > # Generated by NetworkManager
> > > search wittsend.com
> > > nameserver 8.8.8.8
> > > nameserver 1.1.1.1
> > > nameserver 10.205.38.3
> > > -- 

> > Is /etc/resolv.conf a symlink, and if so where is it pointing.

> You are thinking it is connected with systemd-resolved?

That was my first thought, given my legendary attitude toward the borg
systemd in general (when do we get systemd-mine-sweeper?).  Lennart
Pottering and I almost got physical at one Linux Plumbers over some of
their screwups.  But no...  systemd-resolved is not running and is not
enabled.  Not the problem.  Which makes it even more perplexing.

> If /etc/resolv.conf were a symlink it would contain....

> # This file is managed by man:systemd-resolved(8). Do not edit.

> and not

> # Generated by NetworkManager

Not a symlink.  Didn't work even when it was and redirected to
127.0.0.253.  One of the first things I check and tried.  Also checked
nsswitch.conf.  Some differences but not that I could spot and why the
difference between "host" and "ping"?  And why the timeout???

nsswitch.conf

-- 
hosts:      files mdns4_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] myhostname dns
--

> ---
> The key to getting good answers is to ask good questions.

Agreed!  And that is the thread I'm trying to pick at.  What is the
right question?

Regards,
Mike
-- 
Michael H. Warfield (AI4NB) | (o) +1 706 850-8773 |  mhw@xxxxxxxxxxxx
   /\/\|=mhw=|\/\/          | (c) +1 678 463-0932 |  http://www.wittsend.com/mhw/
ARIN whois: MHW9-ARIN       | An optimist believes we live in the best of all
PGP Key: 0xC0EB9675674627FF | possible worlds.  A pessimist is sure of it!

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