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To: Alistair John Strachan <s0348365@sms.ed.ac.uk>
Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>,
       Linus Torvalds <torvalds@osdl.org>, Kyle McMartin <kyle@mcmartin.ca>,
       linux-kernel@vger.kernel.org,
       Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Subject: Re: [PATCH] Add compile domain
References: <20060525141714.GA31604@skunkworks.cabal.ca>
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	<200605252238.37352.s0348365@sms.ed.ac.uk>
From: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= <mru@inprovide.com>
Date: Thu, 25 May 2006 23:12:16 +0100
In-Reply-To: <200605252238.37352.s0348365@sms.ed.ac.uk> (Alistair John Strachan's message of "Thu, 25 May 2006 22:38:37 +0100")
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Alistair John Strachan <s0348365@sms.ed.ac.uk> writes:

> On Thursday 25 May 2006 22:14, Martin J. Bligh wrote:
>> > 20:35 mason:/etc # rpm -qf `which hostname`
>> > net-tools-1.60-37
>> > 21:00 mason:/etc # hostname -v
>> > gethostname()=`mason'
>> > mason
>> > 21:00 mason:/etc # hostname --fqdn
>> > mason
>> > 21:00 mason:/etc # domainname
>> > (none)
>> > 21:00 mason:/etc # dnsdomainname
>> >
>> >
>> > Runs Aurora Linux 2.0.
>>
>> Ubuntu does this too:
>>
>> mbligh@flay:~$ hostname
>> flay
>> mbligh@flay:~$ hostname --fqdn
>> localhost.localdomain
>
> I think it's as Lennart suggested. From the man page for /etc/hosts ("man 
> hosts"), it seems to suggest that the format should be:
>
> IP_address canonical_hostname aliases
>
> On Ubuntu and approximately on my system, it's doing:
>
> 127.0.0.1 localhost.localdomain <alias>
>
> But the manpage suggests that "alias" might contain "localhost". On our 
> machines it contains the "name" we assigned the machine.

The /etc/hosts file that was installed with the Slackware that ran on
my first Linux machine contained a comment strongly advising against
associating 127.0.0.1 with the hostname (or anything other than
localhost).  Apparently some programs (which I don't recall) would
break if you did so.  I have followed that advice ever since.

-- 
M?ns Rullg?rd
mru@inprovide.com
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