View Full Version : [ubuntu] Dual boot Ubuntu and OpenSolaris?

August 20th, 2010, 05:14 AM
I installed Ubuntu 10.04 first and OpenSolaris 2009.06 second. Ubuntu does not appear in OpenSolaris' boot-loader. How do I install Grub and have the boot list come up so that Ubuntu AND OpenSolaris appear and are operational and such?

Thank you :) :lolflag:

August 20th, 2010, 05:19 AM
Have you tried reinstall grub2 for Ubuntu and see if the osprober finds it.

Install MBR from LiveCD, Ubuntu install on sda5 and want grub2 in drive sda's MBR:
Find linux partition, change sda5 if not correct, and/or even sda if sdb wanted:
sudo fdisk -l
sudo mount /dev/sda5 /mnt
sudo grub-install --root-directory=/mnt /dev/sda
If that returns any errors run:
sudo grub-install --recheck --root-directory=/mnt /dev/sda

I saved this but it assumes you have installed OpenSolaris boot loader into its boot sector, PBR or boot slice (like windows).
menuentry "OpenSolaris 2010.03 snv_134 64bit" {
set root='(hd1,2)'
chainloader +1

August 20th, 2010, 05:34 AM
That actually really confuses me. Can you "Dumb it down" a little bit? :P Thanks ^_^

August 20th, 2010, 05:41 AM
Several links on reinstalling grub2.

How to restore the Ubuntu/XP/Vista/7 bootloader (Updated for Ubuntu 9.10)
kansasnoob on grub or grub2 reinstall

Thomas Garman
August 20th, 2010, 05:46 AM
If you installed Ubuntu and the Open Solaris and then you couldn't see Ubuntu anymore then you probably never had a chance to put any crucial data on the Ubuntu partition so the absolutely easiest way to fix it all so that grub reappears and Opensolaris and Ubuntu work is:

just reinstall Ubuntu again on the Ubuntu partition

this is easiest way to get it all back (it is a 700 MB way of reinstalling GRUB2 without having to do any of the work of figuring out how to reinstall grub2).