detecting i386 or x86_64 in kickstart

[Jesse Keating]

On Thursday 25 January 2007 10:26, Jason Edgecombe wrote:
> I would like to have a unified kickstart file for both my i386 and
> x86_64 installs. So I have two questions:
>
> 1. Is there some way to detect whether the processor is 32/64 bit in a
> %pre script?
> 2. Will the 32-bt installer install the 64bit rpms if I point it at a
> 64bit install tree?

Well, you can't boot a 64bit kernel on a 32bit host, so are you always going 
to be booting a 32bit kernel to do your kickstarts?  I'm not entirely sure 
that will work, booting a 32bit kernel to do a 64bit install.

Now, if you are going to be picking different kernels, you know right away, 
just by command line information, that you're on a 64bit or 32bit system.  
You can easily peek at /proc/cmdline from %pre and decide all kinds of 
things.

I setup a PXE menu system where somebody would select el4.32 or el4.64 to 
launch a RHEL4 kickstart of a particular arch.  The actual append= in 
pxelinux added some more words that I could then detect in a %pre statement 
and generate some content for %include secions in my kickstart file.  My 
kickstart stubs were very arch agnostic, partitioning was done dynamically, 
package selection, post scripting, etc.. all detected from content 
in /proc/cmdline in %pre.

-- 
Jesse Keating RHCE      (geek.j2solutions.net)
Fedora Legacy Team      (www.fedoralegacy.org)
GPG Public Key          (geek.j2solutions.net/jkeating.j2solutions.pub)
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