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Old 05-18-2011, 12:43 PM
Josh Boyer
 
Default initrd or initramfs ... etc.

On Wed, May 18, 2011 at 8:21 AM, r_burton <r_burton@surfglobal.net> wrote:
> I am running Fedora-14-x86_64
> I have imported, and built kernel source: linux-2.6.38.6
>
> My problem: How do I build a new 'initrd'?
>
> I have examined the file /boot/initramfs-2.6.35.6-45.fc14.x86_64.img
>
> Which comes with the Fedora-14 distribution. *How do I build a new
> one? *On other distributions which I am familiar (e.g. Suse) there is
> a script, 'mkinitrd'. *Is there such a script for Fedora? *Is there
> a definitive "Guide to the Fedora Kernel Build Procedure"?

This would be better asked on the fedora-devel or fedora-kernel lists.

Fedora uses a tool called 'dracut' to create the initramfs. There is
a script called new-kernel-pkg that gets called if you install a
Fedora kernel RPM. It's invocation looks like:

/sbin/new-kernel-pkg --package kernel%{?-v:-%{-v*}} --mkinitrd
--dracut --depmod --update %{KVERREL}%{?-v:.%{-v*}}

If you haven't installed your kernel from an RPM, you'll need to
figure out what the --package and --update parameters are expecting
and map the values accordingly for your locally built kernel.

You might be able to call dracut by hand as well, but new-kernel-pkg
does a number of other things, like update grub.conf IIRC.

josh
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