[Gllug] kernel new/old config

John Edwards john_ed at cornerstonelinux.co.uk
Fri Apr 5 20:06:35 UTC 2002

On Fri, Apr 05, 2002 at 08:51:23PM +0100, Roger Whittaker wrote:
> On Fri, 5 Apr 2002, Alain Williams wrote:
>> On Fri, Apr 05, 2002 at 03:52:29PM +0100, Paul Brazier wrote:
>>>> Just a quickie:  how to do you make xconfig using an existing
>>>> kernel as a
>>>> template?  But not oldconfig?  I did this a couple of years
>>>> ago, but for the
>>>> life of me cannot remember how.
>>> I think it's stored in /usr/src/linux/.config which you can import from
>>> the "make xconfig" form.
>>> That's assuming you compiled the previous kernel, I don't think there's
>>> a way of extracting the kernel config from a binary-only kernel (might
>>> be wrong here).
>> No, not easy. That sort of thing has been talked about, but not implemented.
> I'm not sure whether this is SuSE-spcific, but what we do is to look at
> /proc/config.gz
> That contains the kernel config of the running kernel.

Debian's kernel-image packages have a copy of the config file in 
/boot/config-$VERSION, and RedHat's kernel-source package has their 
config files for the default kernel in /usr/src/linux-$VERSION/configs/.

SuSE's system sounds interesting - is it anything to do with this kernel 
patch ?

|      John Edwards    Email: John.Edwards at uk.com            |
|                                                            |
|     "Security vulnerabilities are here to stay."           |
|   Scott Culp, Manager, Microsoft Security Response Center  |

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