[ale] making a usb thumb drive bootable from a dvd install disk

[Geoffrey]

Greg Freemyer wrote:
> Is the thumb drive big enough to hold the entire DVD?

Yeah, the dvd is 3.5G and it's a 4G drive.

> 
> If so, it may be as simple as:
> 
> dd if=/dev/sr0 of=/dev/sdX bs=4k conv=noerror

Well, I was trying to work from the iso image, but I guess I could stick 
the dvd into the drive and try that.

> 
> I actually doubt that will work, but it is worth trying.
> 
> The issue is that the DVD actually has 2 partitions on it I believe.
> One is a 640K bootable floppy image, and the other is what you see
> when you mount the DVD normally.
> 
> So on the thumb drive you need to recreate the 2 partitions and
> populate them from the 2 DVD sources.

But I would expect dd to simply make a raw copy, so in theory it should 
work.

> 
> Hope that at least helps you research your issue.

Trying to install Red Hat EL 5 and the dvd drive gives errors when 
trying to mount the dvd.  It boots find, but then can't mount.

Trying to come up with an alternative.

> 
> Greg
> 
> On Fri, Mar 28, 2008 at 1:15 PM, Geoffrey <lists at serioustechnology.com> wrote:
>> Anyone got any pointers how I can create a bootable usb thumbdrive from
>>  my Red Hat DVD install disk?
>>
>>  I want to install from the usb drive.
>>
>>  --
>>  Until later, Geoffrey
>>
>>  Those who would give up essential Liberty, to purchase a little
>>  temporary Safety, deserve neither Liberty nor Safety.
>>   - Benjamin Franklin
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> 
> 
> 


-- 
Until later, Geoffrey

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety.
  - Benjamin Franklin