On Tue, 2008-04-01 at 09:58 +1100, Peter Miller wrote: > Dear Lazy Web, > > I am presently debugging PXE installs for our product. This involves a > lot of round trips like this: > 1. enter bios setup, disable disk boot > 2. netboot and install Linux, when that reboots > 3. notice the reboot, hit DEL, enable disk boot > 4. shiny new linux boots, not perfect, figure our what went wrong, go > back to step 1 > > The bios doesn't have a "Press F12 to enter boot menu" which would be > particularly useful, because I could then leave disk boot enabled. > > So, dear reader, if you have got this far, how hard is it to add a > "Whack Master Boot Record" to the *grub* boot menu, alongside memtest86, > which would overwrite the MBR with all zero? That option, combined with > a h/w reset, could be used to cause a fresh install. > > Has such a thing been written? what is the package name?
I'd probably do it with a trivial initramfs that dd's 0's to the relevant device :> -Rob -- GPG key available at: <http://www.robertcollins.net/keys.txt>.
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