Date: Fri, 21 Sep 2007 12:27:59 +0200 From: Erik Cederstrand <erik@cederstrand.dk> To: freebsd-questions@freebsd.org Subject: Re: Repeated PXE jumpstart Message-ID: <46F39CAF.5030306@cederstrand.dk> In-Reply-To: <46F23834.1050004@cederstrand.dk> References: <46F23834.1050004@cederstrand.dk>
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Found the answer elsewhere, so this is just for the records... Erik Cederstrand wrote: > Hi! > > I'm trying to set up a system to continually and automatically run > benchmarks on the most recent CURRENT. The idea is to PXE-boot the > server, do an automated jumpstart installation, reboot and run a few > benchmarks. Lather, rinse, repeat. > > My problem is when the jumpstart installation finishes. I set PXE-boot > as the first option in the BIOS to start the installation. To complete > the installation I need to reboot the server from the hard-disk, but I > don't want to enter the BIOS on each reboot to change the boot sequence. > > What are my options? Can I simply set the hard-disk as the first option > in the boot sequence (with PXE second) and then wipe the MBR when the > system comes up after an install, so the BIOS will continue to PXE? How > would i do that? # sysctl kern.geom.debugflags=16 # dd if=/dev/zero of=/dev/ad0 bs=512 count=1 wipes the MBR and solves my problem. Erik
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