linux-hotplug.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Darryl L. Pierce" <dpierce@redhat.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: Extracting system UUID...
Date: Tue, 20 Apr 2010 19:49:28 +0000	[thread overview]
Message-ID: <20100420194928.GC5138@mcpierce-desktop.usersys.redhat.com> (raw)
In-Reply-To: <20100420185205.GA5138@mcpierce-desktop.usersys.redhat.com>

[-- Attachment #1: Type: text/plain, Size: 691 bytes --]

On Tue, Apr 20, 2010 at 12:39:13PM -0700, Greg KH wrote:
> 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?

It's going to be used to persistently and uniquely identify systems in a
network. The hostname can't be used since it's possible for a system to
come up with a different hostname within DHCP. 

-- 
Darryl L. Pierce, Sr. Software Engineer @ Red Hat, Inc.
Delivering value year after year.
Red Hat ranks #1 in value among software vendors.
http://www.redhat.com/promo/vendor/


[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]

  parent reply	other threads:[~2010-04-20 19:49 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
2010-04-20 19:49 ` Darryl L. Pierce [this message]
2010-04-20 20:11 ` Greg KH
2010-04-20 20:16 ` Lennart Poettering

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100420194928.GC5138@mcpierce-desktop.usersys.redhat.com \
    --to=dpierce@redhat.com \
    --cc=linux-hotplug@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).