Question on building a new kernel

[Bryce C.]

RH may have included the file in the /boot directory.  Also, look in /proc for
/proc/config.  Recent kernels have the option to have the current config there.
   Also, why don't you just install the RH kernel source RPMS?  They too will
probably have the current (default/ RH's own) config file.



Quoting Scott <sbrews@cox.net>:

> 
> First let me say that I am not comfortable building linux kernels.  I 
> always seem to lose more functionality than I gain.  Building Tru64 (aka 
> Digital Unix aka OSF1) or HPUX kernels, however, is much easier (at least 
> to me).  Anyway....
> 
> I have a RH 7.3 system installed.  When it was installed, the kernel 
> sources where not.  I have since downloaded kernel 2.4.20.  I want to add 
> video for linux and usb support.  How do I "extract" the current 
> configuration from the running system.  I thought you did this with a 
> "make oldconfig", but further research on this seems to indicate that a 
> new kernel config file will be built based on the old, EXISTING, config 
> file.  Since I dont have an old config file, I dont really get what I 
> wanted.  
> 
> Heres a quick summary of what I'd like to be able to do:
> 
> 1.) get the current kernels configuration (the part I am having difficulty 
> with)
> 2.) Add the video for linux and usb support (easy enough via "make 
> menuconfig")
> 3.) boot the new kernel and have retained all previous functionality AND 
> have new functionality too. (this is dependant on #1 and #2).
> 
> So, if anyone can help or point me to a "very good" kernel how to, I'd 
> really appreciate it.
> 
> scott
> 
> ps
> 
> the "how-tos" that I have looked at always seem to be missing that one key 
> step (for me) that would otherwise "turn on the light".
> 
> -- 
> NT makes anything simple, easy, and anything difficult to do, impossible.
> Unix makes anything easy to do difficult, and anything difficult to do,
> possible.  Basically, if your VCR is still flashing "12:00" then unix is not
> for you!
> 
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