Booting triple Linux OSs
This is what i have
IDE Master - disk1 IDE Slave - disk2 SATA Master - disk3 Disk1 has Windows XP installed on it. Disk2 has Ubuntu 7.10 installed on it. Disk3 has Fedora 8 installed on it. Grub installed on Disk1 loads XP and Ubuntu Grub installed on Disk 3 loads Fedora When i installed Fedora (which was the last OS to be installed) it didnt show the other operating systems to add to Grub. Is this because they are on different disks? I now have to go into BIOS and select whether i need to boot from Disk1 or Disk3. I would like to always boot from Disk3 and choose the operating system to load from the Grub instance on Disk 3. Is this possible? |
You have to manually add the entries to boot the other OSs.
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If you want an easy way to manage multi-booting you might want to take a look at GAG the graphical boot manager: http://gag.sourceforge.net/index.html In the zip download, available from the link, there is a README that will tell you how to use GAG. You can write the GAG floppy from Windows or Linux, and if you don't have a floppy drive to boot from, I believe GAG will work from a USB drive although I have not tried this, perhaps someone who has will comment. This link shows what GAG looks like in action http://gag.sourceforge.net/pics.html It's as easy as pressing a number key to select which OS to boot, or if you wish, you can select a default OS to boot after (n) seconds.
In my experience GAG will find any correctly installed bootloader no matter what partition/drive it's on, it doesn't matter whether it's GRUB, LILO or the NT bootloader, whatever the bootloader is, GAG will find it and allow you to add it to the list of bootable OS's. I've used GAG for over a year now without any problem, it makes managing a multi-boot system a dream. |
Hi all,
Apologies for not replying earlier. Im having some problems with my broadband connection so i couldnt log in. Anyway could someone tell me exactly what changes i will need to do. Here are the disks on my computer and the contents of the grub configuration file on the ubuntu disk. Disk Drives and Partitions Code:
ziggy@ziggy-ub:~$ sudo fdisk -l /boot/grub/menu.lst Code:
# menu.lst - See: grub(8), info grub, update-grub(8) |
Hi guys,
I decided that i will use the grub installed with Fedora because it looks better than the one installed with the Ubuntu installation. I had a look at the Grub configuration file in with the Fedora installation and it looks different from the one i posted earlier. As you can see from the partitions list below, some of the disks are refered to as /dev/sd* rather than /dev/hda. i thought i could have just copied the definition from the Ubuntu grub to the Fedora grub but it didnt work. I managed to updated the Fedora grub to include the Ubuntu installation but i couldnt add the Windows installation. I also dont understand why the partitions are listed as sd* but the grub file refers to them as hd*. After i edited this version of grub it loaded Ubuntu from (hd2,0) but it couldnt load windows from (hd1,0). What do i need to do to include the windows installation. Here are the partitions and disks Code:
Code:
#grub.conf generated by anaconda Code:
title Microsoft Windows XP Professional |
http://users.bigpond.net.au/hermanzone/p15.htm - on Grub
http://users.bigpond.net.au/hermanzone/ dual boot general For windows your probably going to need the map command. For Linux look at the configfile and chainloader options. It getting late here but the two links will show all you need to modify Fedoras GRUB configuration file. |
You can save yourself a lot of grief using GAG as Zootmo suggested. Just install whatever bootloader to the root partition with GAG installed to mbr.
In some instances Grub does not like to boot alternate kernels. I've ran into this at least twice. Now, I havn't researched this entirely. It could have been something to do with an older Grub version trying to boot a newer kernel. It was not worth the effort, ultimately, when Gag is idiot-proof. It all depends on how much you like to fool around with stuff. I tend to have a short attention span when things go south. |
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