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Support and General Discussion: installing dual boot of gobo and ubuntu

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    • CommentAuthorlel4866
    • CommentTimeMay 11th 2008
     # 1
    Hi -

    I'm trying to do a fresh install of gobo on a separate hard drive (/dev/sdb1) from my standard working ubuntu install (/dev/sda1).
    Using the graphical installer, I had it format the drive, and when I came to the question of whether to install grub, I deselected it (said no), because ubuntu already installed grub in /dev/sda1 (or (hd0,0) in grub notation). I also selected the ext3 file system.
    After installing and reboot, no gobo was listed on my boot menu. Even though I said not to install grub, I still got a /boot/grub directory on /dev/sdb1, which is fine. I copied the commands from /boot/grub/menu.lst to my menu.lst in /dev/sda1/boot/grub and rebooted. Those commands referred to (hd1,0), which seemed correct.
    On rebooting, the menu now showed the gobo commands, but when I tried to select one, I got the grub error message: "cannot mount the selected partition". Should I have said not to install grub? Would the grub installed have just added it's commands to the existing menu.lst on /dev/sda1? Any help would be appreciated.
    Thanks.

    Larry Lewis
    • CommentAuthorsdellysse
    • CommentTimeMay 11th 2008
     # 2
    Copying the menu.lst from /gobo to /ubuntu wasn't the right idea. I'm assuming that the default gobo menu.lst isn't very complete. (My desktop is down right now and I'm writing this from my Macbook.) There should be a backup of the menu.lst in /ubuntu/boot/grub. copy that file to the correct name, and edit it. look for the main ubuntu section (the first section). copy and paste that right below itself, and and edit the new section for gobolinux.

    P.S. Use the LiveCD to boot, and then mount the partitions from there.
    • CommentAuthorlel4866
    • CommentTimeMay 11th 2008
     # 3
    hmm...

    Not sure I understand, exactly. Here's my existing menu.lst on the first hard drive (/boot/grub). It's simply the ubuntu menu.lst (omitting a bunch of stuff at the top for this post) plus the commands from the gobo menu.lst at the bottom. With grub, the 3 ubuntu commands work. The 3 gobo commands cause the "can't mount selected partition" error. I do have 2 hard disks, and the second one is where the gobo installer formatted the entire disk and placed it's stuff. Also not sure what you want me to do with the live boot. After mounting the partitions, then what? Thanks.

    title Ubuntu 8.04, kernel 2.6.24-16-generic
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.24-16-generic root=UUID=672aa5bc-37c3-410a-bd64-13bc5d326cf6 ro quiet splash
    initrd /boot/initrd.img-2.6.24-16-generic
    quiet

    title Ubuntu 8.04, kernel 2.6.24-16-generic (recovery mode)
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.24-16-generic root=UUID=672aa5bc-37c3-410a-bd64-13bc5d326cf6 ro single
    initrd /boot/initrd.img-2.6.24-16-generic

    title Ubuntu 8.04, memtest86+
    root (hd0,0)
    kernel /boot/memtest86+.bin
    quiet

    title GoboLinux - Graphic Desktop
    kernel (hd1,0)/System/Kernel/Boot/kernel vt.default_utf8=0 vga=0 root=/dev/sdb1 Boot=Graphic

    title GoboLinux - Console
    kernel (hd1,0)/kernel vt.default_utf8=0 vga=0 root=/dev/sdb1

    title GoboLinux - Framebuffer Console
    kernel (hd1,0)/System/Kernel/Boot/kernel vt.default_utf8=0 vga=791 root=/dev/sdb1
    • CommentAuthorlel4866
    • CommentTimeMay 12th 2008
     # 4
    Well, the main problem is resolved. I removed my first hard drive from the computer and tried to boot. It wouldn't!. So the obvious answer is that this drive was not marked bootable!

    I used the LiveCD with gparted to set the partitions boot flag and voila!

    I think this is a bug, however. The installer should check this.

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