Re: SPARC bootable CDs??
From: Robert Hajime Lanning (robert.lanning_at_gmail.com)
Date: 10/04/05
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- In reply to: Steve Wilson: "SPARC bootable CDs??"
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Date: Tue, 4 Oct 2005 14:07:48 -0700 To: focus-sun@securityfocus.com
Have you looked at UberJS? The uber Jump Start boot CD.
http://clue.eng.iastate.edu/uberjs/
I haven't tested it, but I have been looking at it for a while for a
possible rollout
tool.
The website hasn't been updated in about a year and a half, but it
maybe functional
for what you need.
On 10/4/05, Steve Wilson <S.Wilson@eris.qinetiq.com> wrote:
>
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> All,
>
> I've been trying to create a basic SPARC bootable CD using the
> information in Sun's "Building a Bootable Jumpstart Installation
> CD-ROM" document [1]. My ultimate goal is to create a generic SPARC
> boot-cd with my own tools on so I have a safe environment from which
> to work (like all those generic x86 linux boot CDs that are floating
> around these days) - but for now, I'm just trying to get to a point
> where I can copy an existing boot CD to disk and burn it back out in
> a bootable format. Once I've got that sorted I'll start worrying
> about adding binaries/libraries/etc.
>
> Oh, one (probably important) point - I've been using a Solaris 9
> installation CD rather than 2.6. Although I could probably unearth
> some 2.6 CDs - I happened to have 9 to hand.
>
> My first problem was getting S1 into a state where I could manipulate
> the contents. Instead of dd'ing the slice to a file (as [1]
> suggests), I created a new disk partition (~300mb, to give me enough
> space), newfs'd and mounted it, cpio'd the contents of
> /cdrom/cdrom0/s1, made some basic modifications (just created a text
> file as a proof of concept), umounted it and dd'd the raw disk device
> to a file. Now - I don't even know if that'll work properly - or if
> it's even the right approach to be taking (comments, anyone?) - but I
> couldn't think of another way to build a UFS filesystem from an
> existing working directory (at first I thought I could just use
> mkisofs - till I realised that wouldn't work 'cause I need UFS rather
> than HSFS).
>
> Anyway - it's kind of academic at this point anyway - since I have a
> bigger problem. I've followed the process as described in the
> document to copy the contents of S0 to a local work directory on the
> drive. I've not modified the contents at all - yet, when I get round
> to using mkisofs to build the HSFS filesystem image I end up with an
> image larger than the existing space in the VTOC allows.
>
> My S0 HSFS image is 568639 sectors - but according to prtvtoc there
> are only 568320 sectors actually allocated in the VTOC for S0. So, if
> I follow their example using bc to work out how much padding I need -
> I need -320, which I'm sure can't be right. ;-)
>
> So - before I start banging my head against
> /usr/include/sys/dklabel.h and trying to work out how I go about
> manually creating my own VTOC - I just thought I'd ask if there's
> anyone that has been looking at similar things and has any good
> pointers? I've spent a good while searching Google but am yet to find
> anything as simple and easy as I'd like it.
>
> Are there any decent tools to help with the process? I know the
> document briefly mentions Gear Pro and Young Minds - are there any
> open source equivalents that would be worth looking at??
>
> Cheers,
>
> Steve.
>
> [1] http://www.sun.com/blueprints/0301/BuildBoot.pdf
>
> - --
> Stephen Wilson
> Senior Security Consultant
> Security Health Check
>
> WW/B109, QinetiQ, St Andrews Rd, Malvern, Worcs, WR14 3PS
> Tel: 01684 894153 Fax: 01684 897417
>
>
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