booting an old IBM server

Michael Halcrow mike at halcrow.us
Mon Oct 23 18:00:07 MDT 2006


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On Mon, Oct 23, 2006 at 05:00:38PM -0600, Derek Davis wrote:
> Does anyone have any suggestions of how to proceed?  Basically, I
> want to be able to boot into one of these IBM servers and run my
> software, without actually having to install anything and (here's
> the key) without relying at all on any OS installed on the machine.
> The servers range from model 7011-250 (rather old) to 7046-B50, if
> that helps at all.

There is dark netboot magic that you can conjure on many of these
boxen. With old PPC machines that I have used, it is possible to go
into the firmware boot manager and specify a tftp server from which to
pull down a kernel image and initrd image.

Alternatively, you can get a PXE (pre-execution) image, which is
essentially a bootloader that, in turn, pulls down a kernel/initrd,
and it's a bit more user-friendly than a raw tftp interface for the
kernel/initrd. A co-worker of mine has done this successfully to boot
Knoppix.

Mike
.___________________________________________________________________.
                         Michael A. Halcrow                          
       Security Software Engineer, IBM Linux Technology Center       
GnuPG Fingerprint: 419C 5B1E 948A FA73 A54C  20F5 DB40 8531 6DCA 8769

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