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From: Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai =?iso-8859-1?q?Gro=DFjohann?=)
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Subject: Re: `user-mail-address' for message-ids
Date: 28 Feb 2001 16:38:38 +0100
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On 27 Feb 2001, Paul Jarc wrote:
> Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Gro=DFjohann) writes:
>> I think gethostname() looks in /etc/hosts, no?
>=20
> No, it's a system call; the hostname is maintained in memory by the
> kernel.  You tell the kernel what the hostname is using
> sethostname() as part of bootup procedure; depending on the system,
> this may involve looking at /etc/hosts, but gethostname() itself
> doesn't know about any particular files.

Ah, right.  When booting, a Solaris machine does "hostname `cat
/etc/hostname.le0`" or similar.  It is normal for a Solaris machine to
have a node name there, rather than a FQDN.

I think there was a problem with netgroups being too long or something
like this, I don't quite remember where this convention comes from.

kai
--=20
Be indiscrete.  Do it continuously.