Date: Sun, 13 May 2007 19:43:14 +0200 From: David Landgren <david@landgren.net> To: Sam Lawrance <boris@brooknet.com.au> Cc: freebsd-questions@freebsd.org Subject: Re: Skipping "F1 FreeBSD" prompt on boot Message-ID: <46474E32.5060009@landgren.net> In-Reply-To: <9979A1FD-F329-4C64-B5D2-66399F731E87@brooknet.com.au> References: <46458C63.8040600@landgren.net> <46459E20.5060108@infracaninophile.co.uk> <86C5378E-69FE-4A9F-9C77-C7970E42481F@brooknet.com.au> <4646C922.7040902@infracaninophile.co.uk> <9979A1FD-F329-4C64-B5D2-66399F731E87@brooknet.com.au>
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Sam Lawrance wrote: > > On 13/05/2007, at 6:15 PM, Matthew Seaman wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA256 >> >> Sam Lawrance wrote: >>> >>> On 12/05/2007, at 8:59 PM, Matthew Seaman wrote: >>> >>>> -----BEGIN PGP SIGNED MESSAGE----- >>>> Hash: SHA256 >>>> >>>> David Landgren wrote: >>>> >>>>> I have a disk that has only FreeBSD on it, and so I would like to skip >>>>> the initial F1/FreeBSD prompt. boot0cfg -v ad0 says: >>>>> >>>>> options=nopacket,update,nosetdrv >>>>> default_selection=F1 (Slice 1) >>>>> >>>>> ... what do I have to do to say JFDI instead of prompting? This is not >>>>> the sort of thing I want to fiddle around experimenting, so a little >>>>> guidance would be most appreciated. >>>> >>>> fdisk -B -b /boot/mbr /dev/ad0 >>>> >>>> You installed the FreeBSD boot sector stuff, which gives you the 'press >>>> F1' business. Replace that with the standard mbr, which just boots >>>> straight up. >>>> >>> >>> Rather than replacing it, you can use boot0cfg to set a really short >>> timeout instead; in case you might want that functionality one day. >> >> Heh. It's not like you only get one chance to rewrite the boot blocks >> on any particular drive. If anyone needs to (re-)install the FreeBSD >> boot >> blocks, then you can do very simply it by: >> >> boot0cfg -B -b /boot/boot0 /dev/ad0 >> >> or even >> >> fdisk -B -b /boot/boot0 /dev/ad0 >> >> Or if you need to boot from a serial console you can change /boot/boot0 >> to /boot/boot0sio > > Sure, but why get rid of it, when leaving it in with a short timeout > costs you nothing. A fair point, but in this particular case, FreeBSD is the only thing on the drive, and likely to remain that way until the disk dies of mechanical failure. I just don't need that prompt, especially the annoying beep it makes. David
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