grub on usb?

[James Takac]

Hi Derek

On Thursday 07 August 2008 22:16:24 Derek Broughton wrote:
> James Takac wrote:
> > I find myself in an interesting spot at the moment. I have an eee pc
> > which I was dual booting 2 ubuntu's. one on the default drive and one on
> > a 16 gig usb drive. I reinstalled the default Xandros on the original
> > drive and it seems there's no grub on the usb drive so I'm looking for
> > either how to install grub on the usb stick or to modify grub on the
> > xandros install to point to ubuntu on the usb stick as well allowing a
> > dual boot
>
> When it comes to booting from multiple devices, I've taken to installing
> grub on each device, and chain load from the primary to the secondary.  So
> you'd need to "grub-install" to the external (in either case - should be
> just "grub-install --root-directory=/path-to-root-on-external /dev/xxx" ).
> To chainload to the secondary, modify the primary's /boot/grub/menu.lst to
> include:
>  title           External drive
>  root            (hd1,0)
>  makeactive
>  chainloader     +1
>
> --
> derek

I'll see if I can work that out over the weekend. However while at work I had 
another thought, i.e. a variation of using the live cd to reinstall grub 
(usually after windows is reinstalled) but for the usb drive

Thx
James