> One final note.  If you want to download the source code of packages you
> have installed, you can do this:
>
>  $ yumdownloader --source kernel
>
> Doing an 'rpm -i' will then unpack the src.rpm into ~/rpmbuild.  And
> going into ~/rpmbuild/SPECS/, you can do:
>
>  $ rpmbuild -bp kernel.spec
>
> Then you'll get the complete kernel code unpacked and patched, ready to
> be reviewed in ~/rpmbuild/BUILD/kernel-.....  Replacing -bp with -bb
> will build the RPMs.   But for building, I rather recommend using 'mock'.

Thank you very much David, that is exactly what I wanted to do!
 									Dirk