[olug] Secure Boot / UEFI dual boot

Justin Reiners justin at hotlinesinc.com
Mon Jan 6 22:27:36 UTC 2014


shoot, it took me 5 hours to get windows 8 off my laptop. I couldnt hit
escape fast enough on my asus to bring up the boot menu, I am not running
straight linux with windows 7 in virtualbox.


On Mon, Jan 6, 2014 at 4:25 PM, Hurley, Rod <RHurley at tenaska.com> wrote:

> OK, so I literally laughed out loud on this one.  How do you do ANYTHING
> to a computer without horking Windows?
>
> I have done this once, with Ubuntu and Windows 8.0.  Worked ok.  Here's
> some info I used to help out:
>
> Choose a Linux Distribution That Supports Secure Boot: Modern versions of
> Ubuntu - starting with Ubuntu 12.04.2 LTS and 12.10 - will boot and install
> normally on most PCs with Secure Boot enabled. This is because Ubuntu's
> first-stage EFI boot loader is signed by Microsoft. However, a Ubuntu
> developer notes that Ubuntu's boot loader isn't signed with a key that's
> required by Microsoft's certification process, but simply a key Microsoft
> says is "recommended." This means that Ubuntu may not boot on all UEFI PCs.
> Users may have to disable Secure Boot to use Ubuntu on some PCs.
>
> Disable Secure Boot: Secure Boot can be disabled, which will exchange its
> security benefits for the ability to have your PC boot anything, just as
> older PCs with the traditional BIOS do. This is also necessary if you want
> to install an older version of Windows that wasn't developed with Secure
> Boot in mind, such as Windows 7.  Press and hold the shift key as you click
> restart on Windows and it will open the advanced boot options screen.  Then
> click Troubleshoot > Advanced Options > UEFI Settings.  (Some computers do
> NOT offer UEFI settings, not sure which ones really, just depends.  Samsung
> PC owners DO NOT try booting Linux, it will "partial" brick your pc.)
>
> Add a Signing Key to the UEFI Firmware: Some Linux distributions may sign
> their boot loaders with their own key, which you can add to your UEFI
> firmware. This doesn't seem to be a common at the moment.
>
> Rod
>
>
> -----Original Message-----
> From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of
> Adam Haeder
> Sent: Monday, January 06, 2014 4:09 PM
> To: Omaha Linux User Group
> Subject: Re: [olug] Fwd: Posting to the OLUG
>
> I think this would be a great topic. I'd be particularly interested in this
> scenario: you just bought a brand new HP (or whatever) PC from NFM, and it
> comes with Win 8.1, EFI and SecureBoot. How to you successfully repartition
> and install Linux in a dual boot scenario without horking Windows?
>
>
> On Mon, Jan 6, 2014 at 11:37 AM, Kevin Lane <krlane at hotmail.com> wrote:
>
> > A presentation on EFI/UEFI is a good suggestion, and I'dbe willing to
> > give it if the group would like.
> > Really, EFI/UEFI is not so much an issue, as most of the majorLinux
> > distributions have supported it for a while now.The MAJOR obstacle is
> > "Secure Boot" and how it is implemented.IF you can turn it off (Secure
> > Boot) in your machines BIOS (UEFI), thendo so, and you should not have
> > any problems installing Linux and Windowsalong side each other.Getting
> > Linux to work with Secure Boot is the pain point, and that wouldbe the
> > majority of a presentation on Linux and EFI/UEFI.
> > Kevin
> >
> > > Date: Mon, 6 Jan 2014 07:19:13 -0600
> > > From: roberson at bstc.net
> > > To: olug at olug.org
> > > Subject: [olug] Fwd: Posting to the OLUG
> > >
> > > ---------- Forwarded message ----------
> > > From: DeUndre' Rushon <djrushon at gmail.com>
> > > Date: Sun, Jan 5, 2014 at 2:50 PM
> > > Subject: Re: Posting to the OLUG
> > > To: Brian Roberson <roberson at bstc.net>
> > >
> > >
> > > I was just trying to install Ubuntu 13.10 with Windows 8.1 which
> > > includes the EFI boot partition.  I do not have any experience with
> > > the EFI
> > option.
> > >  Just curious if someone in the group probably has done a
> > > presentation or implement the dual-booting.
> > >
> > >
> > > On Sun, Jan 5, 2014 at 2:27 PM, Brian Roberson <roberson at bstc.net>
> > wrote:
> > >
> > > > I don't recall any.. And there has been a lot of changes lately
> > especially
> > > > regarding EFI/UEFI boot options, and the needed grub (boot loader)
> > options
> > > > for "secure boot"
> > > >
> > > > Any event, a great question for the list!
> > > >
> > > > Did you have a specific question we could help with?
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Jan 5, 2014, at 2:03 PM, "DeUndre' Rushon" <djrushon at gmail.com>
> > wrote:
> > > >
> > > > Greetings Brian:
> > > >
> > > > Has there been any seminars or meetings on proper Linux
> > > > installation
> > and
> > > > partitioning schemes for dual booting within the OLUG?
> > > >
> > > >
> > > > On Mon, Dec 30, 2013 at 7:43 PM, Brian Roberson
> > > > <roberson at bstc.net>
> > wrote:
> > > >
> > > >>
> > > >>
> > http://www.olug.org/faqs/now-that-i-am-signed-up-how-do-send-a-message
> > ask-a-question/
> > > >>
> > > >>
> > > >>
> > > >>
> > > >> On Dec 30, 2013, at 7:03 PM, "DeUndre' Rushon"
> > > >> <djrushon at gmail.com>
> > > >> wrote:
> > > >>
> > > >> I'm new to the group.  What is the process to post inquiries to
> > members
> > > >> of OLUG?
> > > >>
> > > >>
> > > >
> > > _______________________________________________
> > > OLUG mailing list
> > > OLUG at olug.org
> > > https://lists.olug.org/mailman/listinfo/olug
> >
> > _______________________________________________
> > OLUG mailing list
> > OLUG at olug.org
> > https://lists.olug.org/mailman/listinfo/olug
> >
>
>
>
> --
> Adam Haeder
> adam at adamhaeder.com
>
> Check out my latest book: LPI Linux Certification in a Nutshell from
> O'Reilly: http://bit.ly/bvQQ0I
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