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May 2018

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Subject:
Re: Create bootable ISO that can be copied to a USB key
From:
"Kraus, Dave (GE Healthcare)" <[log in to unmask]>
Reply To:
Kraus, Dave (GE Healthcare)
Date:
Thu, 24 May 2018 18:52:21 +0000
Content-Type:
text/plain
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text/plain (1 lines) 
Pungi uses isohybrid (from the syslinux package) down in the bowels to do that. At least that's what I found when I deconstructed its methodology.



That's how I'm getting a USB-bootable .iso file for our spin, anyway...



The algorithm I'm using is:



	mkisofs

	isohybrid

	implantisomd5



Your mileage may vary...



On 5/24/18, 1:35 PM, "[log in to unmask] on behalf of Pat Riehecky" <[log in to unmask] on behalf of [log in to unmask]> wrote:



    Hello,

    

    Are you creating the custom iso with pungi or a different tool?

    

    Pat

    

    On 05/24/2018 01:17 PM, Bill wrote:

    > I am creating a custom installation ISO using kickstart.  This install ISO is based on SL 7.2.

    >

    > When I burn a DVD from this ISO I can boot from the DVD and the install menu come up as expected.

    >

    > When I use dd to copy the ISO to a USB key and try to boot from the USB key the install menu does not appear and the system boots from the hard drive.

    >

    > I tried using dd to copy the SL7.2 ISO to a USB key.  When I try to boot from this USB key the install menu comes up as expected.

    >

    > What files on the SL7.2 have to do with booting from the USB key?

    >

    > Is there a mkisofs option I should be using to make booting USB key work?

    

    -- 

    Pat Riehecky

    

    Fermi National Accelerator Laboratory

    www.fnal.gov

    www.scientificlinux.org

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