From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: Extracting system UUID...
Date: Tue, 20 Apr 2010 19:39:13 +0000 [thread overview]
Message-ID: <20100420193913.GA7238@kroah.com> (raw)
In-Reply-To: <20100420185205.GA5138@mcpierce-desktop.usersys.redhat.com>
On Tue, Apr 20, 2010 at 03:30:37PM -0400, Darryl L. Pierce wrote:
> On Tue, Apr 20, 2010 at 12:11:42PM -0700, Greg KH wrote:
> > On Tue, Apr 20, 2010 at 02:52:05PM -0400, Darryl L. Pierce wrote:
> > > Does anything return the UUID for the host system? Such as what was
> > > returned by hal with:
> > >
> > > (mcpierce@mcpierce-desktop:~)$ hal-get-property --udi \
> > > /org/freedesktop/Hal/devices/computer --key system.hardware.uuid
> > > 00DD19E3-DD3A-DE11-90DA-812C97507C34
> >
> > What piece of hardware on the host system would create such a "computer"
> > uuid?
>
> I believe it comes from BIOS.
Ah, as Lennart just pointed out, you really don't want to use that, it
can't be trusted on a lot of platforms. Unless you don't mind having
the same value for lots of different machines :)
What do you want to use this value for?
thanks,
greg k-h
next prev parent reply other threads:[~2010-04-20 19:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-20 18:52 Extracting system UUID Darryl L. Pierce
2010-04-20 19:10 ` Lennart Poettering
2010-04-20 19:11 ` Greg KH
2010-04-20 19:30 ` Darryl L. Pierce
2010-04-20 19:39 ` Greg KH [this message]
2010-04-20 19:49 ` Darryl L. Pierce
2010-04-20 20:11 ` Greg KH
2010-04-20 20:16 ` Lennart Poettering
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