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Re: [PATCH] Fix \H: Use getaddrinfo to get full hostname

From: Chet Ramey
Subject: Re: [PATCH] Fix \H: Use getaddrinfo to get full hostname
Date: Wed, 24 Jul 2019 10:43:36 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 7/24/19 10:38 AM, Thomas Deutschmann wrote:
> On 2019-07-24 16:27, Chet Ramey wrote:
>> Thanks for the patch. This is system-dependent: there are systems, like
>> mine, where `hostname' returns the system's FQDN. It all depends on the
>> administrator's choices.
> Can you tell me more about your system and how you (your administrator)
> set up your system so that hostname will return FQDN?

I use Mac OS X:

caleb.ins.cwru.edu(1)$ hostname
caleb.ins.cwru.edu(1)$ hostname -f
caleb.ins.cwru.edu(1)$ uname -a
Darwin caleb.ins.cwru.edu 18.6.0 Darwin Kernel Version 18.6.0: Thu Apr 25
23:16:27 PDT 2019; root:xnu-4903.261.4~2/RELEASE_X86_64 x86_64

> I hope you are not talking about putting FQDN into a file which is
> expecting hostname only...

There is no `file', and there's no requirement that `hostname' not return
the FQDN.

> Or in other words: At the moment I am wondering what should be wrong on
> my system or on Debian/Ubuntu out of the box: You set hostname to
> hostname only (no FQDN) and set domain option in /etc/resolv.conf for
> example for FQDN. But maybe I am missing something.

The world isn't all Linux.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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