From: be-news06@lina.inka.de (Bernd Eckenfels)
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Add compile domain
Organization: Private Site running Debian GNU/Linux
In-Reply-To: <20060525202917.GB21926@csclub.uwaterloo.ca>
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Date: Sat, 27 May 2006 04:13:19 +0200
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Lennart Sorensen <lsorense@csclub.uwaterloo.ca> wrote:
> I always thought that was how it worked.  The first hostname in
> /etc/hosts on the line containing the short name was used as the FQDN.
> Maybe that is only a gnu hostname thing.  I seem to recall solaris had a
> domainname file that was used to find the domain part of the FQDN
> instead.

yes this is how hostname works (see the man page)

# Technically: The FQDN is the name gethostbyname(2) returns for the host
# name returned by gethostname(2).  The DNS domain name is the part after
# the first dot.

# Therefore  it  depends on the configuration (usually in /etc/host.conf)
# how you can change it. Usually (if the hosts file is parsed before DNS or
# NIS) you can change it in /etc/hosts.

And yes, this is broken, but who used hostname -f anyway?

BTW: the above works also (better?) if you set the utsname to the FQDN like
Linus does.

Gruss
Bernd
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