Triple boot - Ubuntu Feisty (7.04) Dapper (6.06) and Windows XP (P4)

[Loïc Martin]

Eric Dunbar wrote :

> Hi Loic, I figured that grub could do it but I wasn't sure how.
> 
> How do you set up your machine to have four different installs?
> 
> One thread I found suggested having a grub installed on the /boot for
> each install and then installing a grub into the MBR that redirects to
> the grub for each install. This is ideally what I would like to have
> (that way it avoids problems with automatic updates interfering with
> the menu.lst file).
> 
> I'm not sure how I tell grub to install into the mbr and to make sure
> it installs the relevant binary into each install.
> 
> I presume that currently I have only _one_ instance of the grub binary
> on my machine in the mbr (of the 250 GB HD... the first (sda) HD) that
> points to the /boot/grub/menu.lst of the Ubuntu 7.04 install??
> 
> Anyway, I'm going to play with supergrub and see if I can get
> temporary access to the other partition. After that I'll see if I can
> do a two-stage grub set-up.
> 
> Eric.
> 

Actually, I just never cared to have a more secure solution. Default 
Ubuntu install picks up whatever kernels you have on whatever 
partitions, as long as they're at the right place (never tried if it 
would pick up other distros' kernels).

When I moved partitions around, I used to fire up a Breezy desktop 
install (Dapper and Edgy's partition tool failed on my system when 
resizing/swapping) then abort just before install actually starts. It 
just automagically recreates the right entries for grub.

I only used to tinker with menu.lst with pre-Feisty Ubuntu installs, 
that used to pick up every kernel, then added a /single user, /memtest 
*and* worse a "start this kernel on that other partition, then same 
kernel on whatever partition you ended up having :X). So I had to clean 
up after each install.

Feisty is far saner in that regard, so I've forgotten the actual grub 
syntax, but it's easy to solve with man grub-install.