DNS delay on first lookup, Ubuntu 19.10 but not earlier versions

[Chris Green]

On Thu, Apr 02, 2020 at 11:24:23AM +0100, Colin Law wrote:
> On Thu, 2 Apr 2020 at 09:59, Chris Green <cl at isbd.net> wrote:
> >
> > On Thu, Apr 02, 2020 at 09:17:47AM +0100, Colin Law wrote:
> > > Are the failing systems ones that have been updated over a period?  I
> > > think there may have been an issue with upgrades not cleanly managing
> > > upgrades to the DNS system.
> > > What does
> > > ls -l /etc/resolv.conf
> > > show? it should be a link to /run/resolveconf/resolv.conf, at least
> > > that is what it is on mine.
> > >
> > > If it isn't then move it and create the link
> > >
> > One of the xubuntu 19.10 systems is a new install, the other has been
> > upgraded since quite a long way back.  As far as I can see all the
> > 'resolv' links and configuration are the same on both systems.
> >
> > On my two 19.10 systems /etc/resolv.conf is a link to /run/systemd/resolve/stub-resolv.conf
> >
> > /run/resolveconf/resolv.conf doesn't exist on my systems.
> 
> OK, not that then.  I was expecting mine to be a link to the stub as
> that is what my old notes say, but when I looked mine is as I posted
> so I assumed something had changed again.  Not sure what is going on
> with mine then.
> 
To be honest the whole systemd resolver (and Network Manager's
involvment) configuration is a mess, it needs a developer to come
along rip all the junk out and start again.

-- 
Chris Green