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Thread: Backtrack Duel Boot with Ubuntu

  1. #1
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    Red face Backtrack Duel Boot with Ubuntu

    Hi All,

    I have a problem with duel booting my machine with Ubuntu 9.10.

    I installed Ubuntu first using the entire disk, i then used the BackTrack install disk to shrink the partition. BackTrack installed correctly and updated the grub menu.lst.

    with Ubuntu on hd(0,0).

    The problem is that when i select my Ubuntu install, i get:-

    File Not Found

    Then it just goes back to the Menu, i select the backtrack install and everything works fine.

    What am i missing?

    Thanks

    Simon

  2. #2
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    Default Re: Backtrack Duel Boot with Ubuntu

    um, you say you installed ubuntu to the whole harddisk, but then shrunk the existing ubuntu space and made a new partition for backtrack?

    Are you sure you have no overwriten the Ubuntu files?

    If not then i'd say have a look at the boot loader menu, and correct it.

  3. #3
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    Default Re: Backtrack Duel Boot with Ubuntu

    i think you have to access Ubuntu menu.lst from Backtrack, and please paste in here...
    please search for

    title Ubuntu .......
    root (hd0,0)
    kernel /boot/vmlinuz-......

  4. #4
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    Question Re: Backtrack Duel Boot with Ubuntu

    Hi all,

    I am sure that the Ubuntu partition is still on the machine under /dev/sda1. I can mount this partition and i can see the file structure.

    I have checked the /boot on the Ubuntu partition and there is no menu.lst file. I have attached the backtack /boot
    Code:
    # menu.lst - See: grub(8), info grub, update-grub(8)
    #            grub-install(8), grub-floppy(8),
    #            grub-md5-crypt, /usr/share/doc/grub
    #            and /usr/share/doc/grub-doc/.
    
    ## default num
    # Set the default entry to the entry number NUM. Numbering starts from 0, and
    # the entry number 0 is the default if the command is not used.
    #
    # You can specify 'saved' instead of a number. In this case, the default entry
    # is the entry saved with the command 'savedefault'.
    # WARNING: If you are using dmraid do not use 'savedefault' or your
    # array will desync and will not let you boot your system.
    default		0
    
    ## timeout sec
    # Set a timeout, in SEC seconds, before automatically booting the default entry
    # (normally the first entry defined).
    timeout		10
    
    ## hiddenmenu
    # Hides the menu by default (press ESC to see the menu)
    #hiddenmenu
    
    # Pretty colours
    #color cyan/blue white/blue
    
    ## password ['--md5'] passwd
    # If used in the first section of a menu file, disable all interactive editing
    # control (menu entry editor and command-line)  and entries protected by the
    # command 'lock'
    # e.g. password topsecret
    #      password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/
    # password topsecret
    
    #
    # examples
    #
    # title		Windows 95/98/NT/2000
    # root		(hd0,0)
    # makeactive
    # chainloader	+1
    #
    # title		Linux
    # root		(hd0,1)
    # kernel	/vmlinuz root=/dev/hda2 ro
    #
    
    #
    # Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST
    
    ### BEGIN AUTOMAGIC KERNELS LIST
    ## lines between the AUTOMAGIC KERNELS LIST markers will be modified
    ## by the debian update-grub script except for the default options below
    
    ## DO NOT UNCOMMENT THEM, Just edit them to your needs
    
    ## ## Start Default Options ##
    ## default kernel options
    ## default kernel options for automagic boot options
    ## If you want special options for specific kernels use kopt_x_y_z
    ## where x.y.z is kernel version. Minor versions can be omitted.
    ## e.g. kopt=root=/dev/hda1 ro
    ##      kopt_2_6_8=root=/dev/hdc1 ro
    ##      kopt_2_6_8_2_686=root=/dev/hdc2 ro
    # kopt=root=UUID=dac7eb47-b919-48a8-afad-2d49fca00e9a ro
    
    ## default grub root device
    ## e.g. groot=(hd0,0)
    # groot=dac7eb47-b919-48a8-afad-2d49fca00e9a
    
    ## should update-grub create alternative automagic boot options
    ## e.g. alternative=true
    ##      alternative=false
    # alternative=true
    
    ## should update-grub lock alternative automagic boot options
    ## e.g. lockalternative=true
    ##      lockalternative=false
    # lockalternative=false
    
    ## additional options to use with the default boot option, but not with the
    ## alternatives
    ## e.g. defoptions=vga=0x317 resume=/dev/hda5
    # defoptions=vga=0x317
    
    ## should update-grub lock old automagic boot options
    ## e.g. lockold=false
    ##      lockold=true
    # lockold=false
    
    ## Xen hypervisor options to use with the default Xen boot option
    # xenhopt=
    
    ## Xen Linux kernel options to use with the default Xen boot option
    # xenkopt=console=tty0
    
    ## altoption boot targets option
    ## multiple altoptions lines are allowed
    ## e.g. altoptions=(extra menu suffix) extra boot options
    ##      altoptions=(recovery) single
    # altoptions=(recovery mode) single
    
    ## controls how many kernels should be put into the menu.lst
    ## only counts the first occurence of a kernel, not the
    ## alternative kernel options
    ## e.g. howmany=all
    ##      howmany=7
    # howmany=all
    
    ## should update-grub create memtest86 boot option
    ## e.g. memtest86=true
    ##      memtest86=false
    # memtest86=true
    
    ## should update-grub adjust the value of the default booted system
    ## can be true or false
    # updatedefaultentry=false
    
    ## should update-grub add savedefault to the default options
    ## can be true or false
    # savedefault=false
    
    ## ## End Default Options ##
    
    splashimage=dac7eb47-b919-48a8-afad-2d49fca00e9a/boot/grub/splash.xpm.gz
    
    title		Ubuntu 8.10, kernel 2.6.30.9
    uuid		dac7eb47-b919-48a8-afad-2d49fca00e9a
    kernel		/boot/vmlinuz-2.6.30.9 root=UUID=dac7eb47-b919-48a8-afad-2d49fca00e9a ro quiet splash 
    initrd		/boot/initrd.img-2.6.30.9
    quiet
    
    title		Ubuntu 8.10, kernel 2.6.30.9 (recovery mode)
    uuid		dac7eb47-b919-48a8-afad-2d49fca00e9a
    kernel		/boot/vmlinuz-2.6.30.9 root=UUID=dac7eb47-b919-48a8-afad-2d49fca00e9a ro  single
    initrd		/boot/initrd.img-2.6.30.9
    
    title		Ubuntu 8.10, memtest86+
    uuid		dac7eb47-b919-48a8-afad-2d49fca00e9a
    kernel		/boot/memtest86+.bin
    quiet
    
    ### END DEBIAN AUTOMAGIC KERNELS LIST
    
    # This is a divider, added to separate the menu items below from the Debian
    # ones.
    title		Other operating systems:
    root
    
    
    # This entry automatically added by the Debian installer for an existing
    # linux installation on /dev/sda1.
    title		Ubuntu, Linux 2.6.31-14-generic (on /dev/sda1)
    root		(hd0,0)
    kernel		/boot/vmlinuz-2.6.31-14-generic root=UUID=5c20b432-4fc1-4b92-9579-b9f839bd1620 ro quiet splash 
    initrd		/boot/initrd.img-2.6.31-14-generic
    savedefault
    boot
    
    
    # This entry automatically added by the Debian installer for an existing
    # linux installation on /dev/sda1.
    title		Ubuntu, Linux 2.6.31-14-generic (recovery mode) (on /dev/sda1)
    root		(hd0,0)
    kernel		/boot/vmlinuz-2.6.31-14-generic root=UUID=5c20b432-4fc1-4b92-9579-b9f839bd1620 ro single 
    initrd		/boot/initrd.img-2.6.31-14-generic
    savedefault
    boot
    hope this helps.

    Si

  5. #5
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    Default Re: Backtrack Duel Boot with Ubuntu

    kernel /boot/vmlinuz-2.6.31-14-generic root=UUID=5c20b432-4fc1-4b92-9579-b9f839bd1620 ro quiet splash

    change to

    kernel /boot/vmlinuz-2.6.31-14-generic root=/dev/sda1 ro quiet splash

    hope it'll help

  6. #6
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    Default Re: Backtrack Duel Boot with Ubuntu

    sometime errors just hapend!

    try reinstalling ubuntu 9.10

    you can access ubuntu files from backtrack

    for more questions, just ask

    capon

  7. #7
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    Default Re: Backtrack Duel Boot with Ubuntu

    Ubuntu 9.10 uses grub2, backtrack uses grub. When you installed BackTrack you overwrote grub2 with grub, which I don't think supports ext4. You might be able to fix it with the Ubuntu DVD, not sure though. Best way to dual boot is install BackTrack to a second partition, then in the advanced setting tell it to install grub to that partition. Then in Ubuntu update grub2 to point to BackTrack as well.

  8. #8
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    Default Re: Backtrack Duel Boot with Ubuntu

    Hi All,

    Thanks for the responses, i managed to fix this by blatting my machine again. Installing BT 4 final first and then Ubuntu.

    Thanks again.

    Simon

  9. #9
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    Default Re: Backtrack Duel Boot with Ubuntu

    great info here guys thanks maybe i will throw ubuntu on my box too.

  10. #10
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    Default Ubuntu 9.10 and Backtrack 4 Dual boot

    Anyone have any noob guides out there on how to dual boot Ubuntu 9.10 and Backtrack 4? I've tried but I ended up running into an error and reformatting. I'm pretty new to linux, I know a few things but I'd prefer a noob step-by-step guide if possible. Just trying to learn, thanks

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