installing kernel.org kernels

Gene Heskett gene.heskett at verizon.net
Thu Nov 30 12:58:37 UTC 2006


On Thursday 30 November 2006 07:52, Dave Jones wrote:
>On Thu, Nov 30, 2006 at 07:43:07AM -0500, Gene Heskett wrote:
> > > > 2. Trying to do this as a user rather than root because you all
> > > > decry my running everything as root.  To that end I have broken
> > > > my 'makeit' script in two, doing all the building as myself and
> > > > leaving the installation to a separate script that must be run as
> > > > root.  This seems to work, but is there a way to run as the
> > > > common user and still have rights to install the modules in
> > > > /lib/modules/$kernelver, and to install the pieces and links in
> > > > /boot that are required to achieve a working boot?
> > >
> > >sudo ?
> >
> > For another 30+ lines of script?  I'd have to study up on wrapping
> > that one up correctly.
>
>sudo make modules_install
>sudo make install
>
>That's all you need to do.
>
Don't forget sudo mkinitrd, it won't run unless by root. :)

> > Side comment here.  I know my present .config is probably building
> > quite a few more modules that I don't need since I started with a
> > make oldconfig, but can that explain why a kernel build that a month
> > ago on gcc-3.3.4 took 10 to 11 minutes, it now taking nearly 30
> > minutes to do with this newer compiler suite FC6 installs?
>
>A big time saver when building your own kernels is to make sure
>CONFIG_DEBUG_INFO is disabled.

It is disabled AFAIK

>This speeds up the linking stage 
> considerably. Another big performance win (for recompiles) is to use
> ccache.

My script starts with a make clean for correctness.  How would/does ccache 
work?
>		Dave

Thanks Dave.

-- 
Cheers, Gene
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