Re: [Morphix-devel] A little help with kernel

[Alex de L. <al...@de...>]

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Hi Gabriel,

Gabriel wrote:
> Is it possible what I'm trying to do ?
> Do you guys have any link or file that can send my to enlight my ideas ?

It's very much possible to change the kernel!

But first Nvidia and ATI. In the morphix package repository, the
2.6.17-morphix kernel is available with a nvidia-kernel package for it.
If you use a base ISO with this combination then you merely have to
install nvidia-glx in the mainmodule to get hardware acceleration
running. ATI should be even easier, it just needs the fglrx-kernel
package installed. See the autobuilds on morphix.org/autobuilds and the
packages in morphix.org/debian.

Now, a custom kernel. It's possible to do so by hand, but you'll need to
do a bit of work:

1. build your custom kernel
2. build your third-party kernel modules, and the cloop and unionfs
kernel modules
3. open the base ISO that you want to modify with the new kernel (mount
- -o loop base.iso /cdrom). Copy over it's contents into a directory order
to modify it.
4. replace yourbase/boot/vmlinuz with your kernel (bzImage)
5. gunzip and mount yourbase/boot/miniroot.gz, swap the modules in
yourminiroot/modules with the ones from your kernel, and make sure cloop
is in here too. gzip the miniroot and make sure it is replaced in
yourbase/boot/miniroot.gz
6. use module-extractor (from the morphix repository) to unpack
yourbase/base/morphix into a directory. Install all your kernel modules
into it. use module-builder to compress the directory back into
yourbase/base/morphix.

That's about it in a nutshell. There are tools and scripts written to
automate this process (change-base-kernel.sh in morph-scripts, and
isomaker does the above from scratch to make a new base ISO), but this
works if all else fails.

cheers,

Alex
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