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Thread: Installation help, multi boot

  1. #1
    Join Date
    Mar 2012
    Beans
    16

    Installation help, multi boot

    Hi,
    I am absolutely new to Ubuntu, I run a windows 7/XP dual boot system from a single HDD, I have a spare installed HDD of 80 gig which I have formatted and wish to install Ubuntu 11.10 onto it< I have the live CD I have tried to do the install from the cd but I need a basic walk through,
    So far I have got as far as "The installation type" menu box were I select dev/sda when I select continue I am given an error message "No root file system is denied please correct from the partition menu then I struggle.
    Ideally I want a triple boot system as described above.
    kind regards
    Brian

  2. #2
    Join Date
    Jul 2012
    Beans
    172
    Distro
    Ubuntu 13.10 Saucy Salamander

    Lightbulb Re: Installation help, multi boot

    You have to set the mount point to "/" for the drive you want to install Ubuntu on.

    I had the same confusion when I tried installing for the first time. Selecting it does nothing. You can even set the mount point and then have your Windows partition selected when you click next/continue/whatever-it-says. Just be sure that the right partition has the mount point set.

    Welcome to Linux. You'll enjoy it.

  3. #3
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Installation help, multi boot

    Some examples with walk thru screen shots. Herman's are the alternative installer which is just text based not gui but process is still the same.

    The important part of the install is the combo box at the bottom of the partitioning screen. That is the drive where the grub2 boot loader will be installed. You want in in the same drive as Ubuntu not overwriting the Windows boot files. But then want to set BIOS to boot the Ubuntu drive.

    Install to external drive 11.04. Also any second drive.
    Installer version has not changed much so still a good guide except I do not recommend the separate /boot for most systems. Older systems may need it. And some with very large / (root) partitions. BIOS/MBR not for UEFI
    http://www.linuxbsdos.com/2012/07/23...hard-drives/2/
    Installing Ubuntu in Hard Disk Two (or more) internal or external Lots of detail - now alternative (text based) installer
    Maverick screens shown, other versions have slight difference in screens but process is the same.
    http://members.iinet.net.au/~herman546/p24.html
    p24/041.png Shows combo box to select where to install the grub2 boot loader.
    Where Do You Want To Install GNU/GRUB boot loader?
    http://members.iinet.net.au/~herman546/p24/041.png

    Also grub will only show one Windows boot entry as Windows moves boot files from second install to the first. Your second Windows install is only bootable from the first Windows. If you want to boot both directly from grub, you have to run Windows repairs.

    Multibooters, Pictures here worth 1000+ words
    http://www.multibooters.co.uk/multiboot.html
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







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