Re: Interesting PXE server setup question

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Grub is able to boot on a partition and set a new default one at next reboot.
I use it to make a systematic reboot after a cold reboot,
because my motherboard dont detect my second sata at first boot.

Or using the old way, just switch your default partition using parted
or gpart or anything elese.
I used this to make a copy of a win2000 partition to a tape drive or
another partition
from a linux partition. The initiation was done from the window that was
changing the default boot partition before to init a reboot,
and linux was reseting the original boot before to backup the
partition and reboot.

Hope this will give you some idea.



On Jan 24, 2008 4:36 PM, Rob Lines <rlinesseagate@xxxxxxxxx> wrote:
> While this is not a problem with CentOS I am hoping to solve the situation
> using a CentOS machine.  For anyone not interested I am sorry to clutter
> your mail box.  For everyone else any ideas or suggestions are welcome.
>
> A bit of background:
>
> We have an application that runs only in DOS 6.22 at the moment that we
> would like to run on all of our desktop computers each time they boot up.
> Our workstations are mostly Windows XP with some Linux.
>
> Our goals:
>
> We would like to be able to have the machines boot into DOS and run the
> application and then reboot to the normal hard drive.  We would like to have
> it require no user intervention or as little as possible.  We would also
> like to have it only run the app during the first boot up of the day.
>
> Thoughts at the moment:
>
> One idea we have at the moment is to create a PXE server with the DOS boot
> image on it.  (I have done that before using Windows RIS but we are trying
> to avoid a windows Server as RIS is a bit of a pain and it prefers user
> interaction.  It also would not fit well with our solution to have it only
> run once a day.)  We could then run the application and inside the DOS image
> we could have it reboot the machine.  We could then set the client machines
> to boot PXE as their first boot option. The next thought was to somehow
> watch the connections to the tftp server where the boot image will be kept
> and watch for the client IP then have the PXE server create a new firewall
> rule that would block access from that client to tftp.  The thought there is
> that once the client has downloaded the boot image once it will run it and
> then on reboot will not be able to find the boot image and, I think, would
> fail at the pxe boot and move on to the next item in the boot list.  Then
> every midnight the list of blocked IPs would be cleared and we start the
> process over again.
>
> So any suggestions on the best way to take a bootable DOS disk and turn it
> into an image that a Linux based PXE server can serve, ways to monitor the
> tftp connections and then add them to the firewall after they have finished
> downloading the boot image, and any ideas on any better ideas would be
> appreciated.
>
> Thanks for taking the time to read this.
>
> Rob
>
> _______________________________________________
> CentOS mailing list
> CentOS@xxxxxxxxxx
> http://lists.centos.org/mailman/listinfo/centos
>
>



-- 
Alain Spineux
aspineux gmail com
May the sources be with you
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