[kwlug-disc] installing Ubuntu into /dev/sda9 ?

William Park opengeometry at yahoo.ca
Tue Aug 3 20:05:57 EDT 2010


On Mon, Aug 02, 2010 at 09:54:03PM -0400, Paul Nijjar wrote:
> > > You can have various distros in their own partition with Grub in
> > > the MBR launching them. 
> > > 
> > > Why having a grub that launches another grub?
> > 
> > That means, if I want to try new releases, I have to boot Ubuntu and
> > re-run Grub afterwards each time.  This isn't an issue for
> > "production", since you would normally have one OS per harddisk.
> > But, for "testing", it's just pain.
> 
> I take it that chrooting into the main partition (that controls grub)
> and then running the grub update does not reduce the pain? It's
> obviously not as nice as having things work the way you want, though.
> 
> - Paul

Well, if you had to
    1. boot into one of standard Linux,
    2. mount Ubuntu partition,
    3. bind /dev, /proc, /sys under Ubuntu mount point,
    4. chroot,
    5. run Grub,
    6. umount in reverse,
    7. reboot
every time MBR is "overwritten", wouldn't you call it pain?  There is
VM, but VM is for application.  It cannot test how the latest Ubuntu
handles new wireless card, new graphic card, or new RAID card etc.

-- 
William




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