Re: hostname is being reset, killing net on reboot
On Saturday, January 22, 2022 9:08:02 PM EST David Wright wrote:
> On Sat 22 Jan 2022 at 19:07:35 (-0500), The Wanderer wrote:
> > On 2022-01-22 at 18:38, gene heskett wrote:
> > <snip>
> >
> > > hosts: files mdns4_minimal [NOTFOUND=return] dns
> >
> > This is the line which contains the directives involved.
> >
> > The 'files' directive tells your system to check local files first;
> > the list of files involved is in the FILES section near the end of
> > 'man nsswitch.conf', and /etc/hosts is in that list.
> >
> > The 'mdns4_minimal' directive tells your system to check "multicast
> > DNS" first; I'm not familiar with the details of this, but Google
> > should be helpful. The [NOTFOUND=return] tag says - I think - that
> > if this check returns a report that the lookup was successful but
> > that no match was found, the system should return that result and
> > stop checking.
> >
> > The 'dns' directive tells your system to check the DNS system proper.
> > Given that this is after the [NOTFOUND=return] tag, as far as I can
> > see this should never be reached, but I presume it's there for a
> > reason; my best guess is that mDNS will usually not be available, so
> > the check will return UNAVAIL, which (per the man page) will by
> > default tell the system to continue to the next check (which is this
> > one).
>
> Rather than its not being available, it shouldn't even try with mDNS
> unless the name ends in .local, so it will skip to dns.
>
> This is what catches people out when they think that .local is a good
> choice for some random LAN, rather than one from the recommended list:
> .corp, .home or .mail.
>
You're changing the subject again.
AFAIK, the only .local is in the users directory, as a subdir. Exactly
NONE of my hostnames contain a .local postfix.
> Cheers,
> David.
>
> .
Cheers, Gene Heskett.
--
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- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>
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