[Novalug] CentOS usb install

Ryan Day ryanday2@gmail.com
Mon May 31 14:14:14 EDT 2010


The information has been great, and very useful, thank you all!  So the
problem turned out to be BIOS related.  I've been booting a debian live
system on this box for months.  At one point something happened, and the
persistence was corrupted, and I had to reload the system.  So this time
with CentOS I figured I'd do a real install.  The BIOS didn't boot the
system.  I had to make a change in the BIOS to recognize the USB disk.  I
have no idea why the debian live system was booting, and this didn't.  So
after that change, Grub popped up and the system booted.

On Mon, May 31, 2010 at 1:51 PM, Peter Larsen <
plarsen@famlarsen.homelinux.com> wrote:

> On Mon, 2010-05-31 at 13:36 -0400, James Ewing Cottrell 3rd wrote:
> > Au contraire, mon Pierre.
> >
> > Linux cares not whether a system is "bootable" or not. However, your
> > BIOS might...
>
> In this case, it's definitely because of the BIOS. Since no grub was
> installed and there's a FAT partition, the bios loads. Trust me, without
> the boot flag, the USB will not boot - at least not on the BIOS versions
> I've tried. If you overtake the MBR boot, and don't even have vFAT on
> your USB key, sure you can boot without the flag set - assuming you
> overwrite the MBR boot record (with Grub).
>
> If you notice my instructions didn't say to do that.
>
> In general, creating a live USB is easy today if you use the tools.
> Trying to do it manually means having to know the little details such as
> those you list. Simply run livecd-creator and point to the ISO you want
> to use. The rest is done for you. Couldn't be simpler.  If it's a
> non-live image, it's a bit harder - must use CLI and must use
> livecd-iso-to-disk with a few parameters. But it's not that hard. In
> both cases you point to a partition, not the device image.
>
> --
> Best Regards
>  Peter Larsen
>
> Wise words of the day:
> Footnotes are for things you believe don't really belong in LDP manuals,
> but want to include anyway.
>        -- Joel N. Weber II discussing the 'make' chapter of LPG
>
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>
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