Fwd: Multiple Linux Operating Systems on Grub, Help or Info appreciated

Gustin Johnson gustin at echostar.ca
Tue Apr 28 22:53:27 BST 2009

Hash: SHA1

Viktor Mastoridis wrote:
> [I posted this on LAU,  but as it's Ubuntu Studio related, I am
> reposting it here as well]
> A  small history,
> I am using Ubuntu Studio for a year now, and with the release of 9.04
> Jaunty, I decided to do a clean install of it.
> As for a long time a wanted to try Studio64, I decided to partition my
> hard disk and install that as well (Studio64 2.1)
> I also like and need Frescobaldy, but I just couldn't install it on a
> Debian platform, so I decided to make one more partition and install
> Open Suse 11.1.
> Finally, I made one more partition for future OS tests and one partition
> for the files.
> All in all, on my 500gb hard disk I created 6 partitions and installed
> the OS's in the following order:
> 50gb partition 1 : Ubuntu Studio
> 50gb partition 2: Open Suse
> 50gb partition 3: Studio64
> 50gb partition 4: empty
> 180gb partition 5: files
> 20gb partition 6: swap
> Now, of course, every OS created it's own boot loader and when I finally
> installed Studio64, although it recognised the other OS's, and gave me
> the option to boot into them, a Grub error 12 would appear (no files).
> Browsing Forums, I bumped across Grub Super Disk and I am able to boot
> into  every single OS from there. But alas, I am not literate enough to
> create a valid menu.lst on the master boot record.

The menu.lst does not exist in the MBR.  Check the grub manual for details.
> I would appreciate any hints or (links to) simple and clear instructions
> on the net. I am ready to reinstall all the OS's if needed. I start to

Reinstalling is not needed.  If anything this will cause you even more
grief until you get a handle on grub.

> understand that a small separate /boot partition would be very useful,
> but I don't have a clue how to set it up.
First thing to do would be to understand how grub and boot loaders work.
 You will also need to understand partitioning before you dig into grub.
 Wikipedia is actually a good place to look for these topics.

The manual for grub can be accessed via a terminal with "info grub".
Alternatively the manual is posted online if for some reason you find a
browser or PDF easier to read:

Honestly, I no longer even dual boot.  I personally do not see a benefit
to doing this.  I am not suggesting that you do not have a valid reason,
only that it makes no sense for me and my work flow.

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