Create a Bootable USB Pen Drive

[Amichai Rotman]

Thank you for your kind suggestions - but sadly, it did not work...

I am trying to dump an ISO that is actually an ISO9660 on a USB pen drive
recognized by the BIOS as a USB-HDD.

Changing the boot priority did not work for my BIOS, but I'd like it to work
on the move.

I'll be fair and paint the whole picture:

I have an old 65 MB pen drive with a physical lock button (to make it read
only). I thought it would be a good idea to make this pen drive an Anti
virus on the go - I'll lock it when I use it to scan computers and unlock it
when I want to update the definition file.

I found the free Linux-based Avira Rescue CD, a 50MB ISO for a CD-ROM. It's
updated a few times a day, so I thought it would be nice if I could have it
on my pen drive and update it as necessary.

I couldn't find any explicit instructions to put it on a USB pen drive, so I
tried to do it on my own.

I found this post, which relates to a Win32 utility:
http://ubcd4win.com/forum/index.php?showtopic=9888&mode=threaded&pid=55631

I tried to adapt it to Linux, but I don't know how.

Any of you out there can point me to a HOWTO / guide for this to work?

If you know of another AV with a USB image available, I'd be glad to give it
a try, but I want it to be free (as in beer ;-) and Linux-based.

Thanks!

.:====================================================:.

Amichai Rotman

UIN#: 6401746
Registered Linux User#: 201192 [http://counter.li.org/]
Registered Ubuntu User #12851 [http://ubuntucounter.geekosophical.net]

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.:====================================================:.
Rodney Dangerfield  - "I haven't spoken to my wife in years. I didn't want
to interrupt her."

On Mon, Mar 30, 2009 at 21:16, Nils Kassube <kassube at gmx.net> wrote:

> Amichai Rotman wrote:
> > I have a 50MB ISO file I would like to "burn" to a 65MB Pen Drive.
>
> Is that something like a stripped down Ubuntu image?
>
> > $ sudo dd if=/pathe/to/ISOfile of=/dev/pendrive_device
> >
> > I got the contents on the pen drive, but when I try to boot from it
> > (and my BIOS supports it) - it claimes there is no system disk.
>
> I think a normal bootable iso image expects to boot from CD but not from
> a disk. However the USB pen drive is a disk for the kernel. So you
> would have to adjust the boot device.
>
> Further more with both my machines which support booting from USB there
> are 2 possible methods to try booting from USB but only one of them
> works. I can set the BIOS to boot from USB device then (CD/DVD then)
> disk - that method works. I can also put the USB device at another
> position in the boot sequence and select it from the BIOS boot menu but
> that method doesn't work (but it works for CD/DVD). So maybe your
> problem is related to the BIOS settings. Can you check with a "normal"
> Ubuntu boot disk installed to a pen drive?
>
> I'm not sure if these links apply - and maybe you know them already:
> <http://unetbootin.sourceforge.net/>
> <https://wiki.ubuntu.com/LiveUsbPendrivePersistent>
> <https://help.ubuntu.com/community/BootFromUSB>
>
>
> Nils
>
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