Re: Working with grub2... update-grub in F16 ?

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On Tue, Nov 8, 2011 at 8:36 PM, T.C. Hollingsworth
<tchollingsworth@xxxxxxxxx> wrote:
> On Tue, Nov 8, 2011 at 8:21 PM, linux guy <linuxguy123@xxxxxxxxx> wrote:
>> On Tue, Nov 8, 2011 at 8:04 PM, T.C. Hollingsworth
>> <tchollingsworth@xxxxxxxxx> wrote:
>>
>>> The second way is to edit /boot/grub2/grub.cfg, locate the line
>>> starting with "linux" of the newest kernel, and add the kernel
>>> argument ("usbhid.quirks=0x0eef:0x725e:0x40") to the end.
>>
>> a) The banner at the top of the grub.cfg file says "Do not edit"
>
> That banner is automatically generated by grub2-mkconfig, and is
> incorrect.  (I meant to file a bug for that ages ago and completely
> forgot.  Looks like we're stuck with that till F17 now.  *sighs*)
>
>> b) I suspect that if its added to /etc/default/grub, it will get added
>> to every new kernel when its added or booted.   Adding it manually to
>> grub.cfg does not accomplish that.
>
> Fedora does not use update-grub like Debian and Ubuntu to generate
> grub.cfg.  It instead uses a tool called grubby, which copies the
> configuration for the most recent kernel, only modifying the kernel
> image and initramfs to match the new kernel.  This permits Fedora
> users to safely edit grub.cfg.
>
> /etc/default/grub is only used by anaconda during initial setup, and
> when the user manually runs grub2-mkconfig.

WOW !   Where is this all documented ?   I was wrong on about 10
counts by reading the ubuntu doc !

I *REALLY* appreciate you taking the time to answer my post.
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