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Thread: Need help booting iso from grub!!!

  1. #1
    Maximum Bitrate locs4dayz's Avatar
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    Question Need help booting iso from grub!!!

    I am trying to edit my menu.1st so that I can use it to boot an ISO saved to my HDD as a menu option. I am triple booting(XP,Win 7, and Ubuntu 9.04). Ubuntu installs a recovery option by default. XP has to be manually installed, which I have done. Win 7 only has the option available from the CD.

    What I did was saved a copy of both the XP Recovery Console CD and the Win 7 Repair Disc CD to the root folder of my Ubuntu installation. I am trying to setup my carpc so that each OS has a recovery option available from the Grub boot menu(don't want to have to keep track of CD's should I need to repair an OS installation in the car). After hours of googling I have gotten close to what I'm looking to accomplish. Here is what my menu.1st looks like as of the moment....


    # 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 2

    ## 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

    #A splash image for the menu
    splashimage=/boot/grub/splashimages/Splash.xpm.gz

    ## 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=fe3c0e7e-1e19-4702-b6cd-5bcd8bea9f18 ro

    ## default grub root device
    ## e.g. groot=(hd0,0)
    # groot=fe3c0e7e-1e19-4702-b6cd-5bcd8bea9f18

    ## 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=791 resume=/dev/hda5
    # defoptions=quiet splash

    ## 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

    ## specify if running in Xen domU or have grub detect automatically
    ## update-grub will ignore non-xen kernels when running in domU and vice versa
    ## e.g. indomU=detect
    ## indomU=true
    ## indomU=false
    # indomU=detect

    ## should update-grub create memtest86 boot option
    ## e.g. memtest86=true
    ## memtest86=false
    # memtest86=false

    ## 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 ##

    title 1) CarPC Operating Systems Menu
    root

    title __________________________________________________ ___________________
    root

    title Start My CarPC Using Windows XP Professional
    root (hd0,0)
    chainloader +1


    title Start My CarPC Using Windows 7 Ultimate
    root (hd0,3)
    chainloader +1


    title Start My CarPC Using Linux Ubuntu 9.04
    uuid fe3c0e7e-1e19-4702-b6cd-5bcd8bea9f18
    kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=fe3c0e7e-1e19-4702-b6cd-5bcd8bea9f18 ro quiet splash
    initrd /boot/initrd.img-2.6.28-11-generic
    quiet

    ###This is the recovery options menu###

    title __________________________________________________ ___________________
    root

    title 2) CarPC Emergency Recovery Options
    root

    title __________________________________________________ ___________________
    root

    title Windows XP Professional Recovery
    drivemap --mem(hd0,2)/RecoveryConsole.iso (hd0,2)
    drivemap --hook
    chainloader (hd0,2) +1
    rootnoverify (hd0,2)
    boot

    title Windows 7 Ultimate Recovery
    drivemap --mem(hd0,2)/Win7RepairDisc.iso (hd0,2)
    drivemap --hook
    chainloader (hd0,2) +1
    rootnoverify (hd0,2)
    boot


    title Linux Ubuntu 9.04 Recovery
    uuid fe3c0e7e-1e19-4702-b6cd-5bcd8bea9f18
    kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=fe3c0e7e-1e19-4702-b6cd-5bcd8bea9f18 ro single
    initrd /boot/initrd.img-2.6.28-11-generic

    ### END DEBIAN AUTOMAGIC KERNELS LISTAttachment 60559
    Linux(Learning the curve...Like when driving!!!)
    Worklog!!!http://www.mp3car.com/vbulletin/fabr...l-worklog.html

  2. #2
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    tripzero's Avatar
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    i don't think grub can boot to an iso image to my knowledge.
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
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  3. #3
    Maximum Bitrate locs4dayz's Avatar
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    Quote Originally Posted by tripzero View Post
    i don't think grub can boot to an iso image to my knowledge.
    Here are some of the links I have read through on the subject...

    http://www.linuxquestions.org/questi...y-grub-367901/


    http://ubuntuforums.org/showthread.php?t=774539


    http://forums.whirlpool.net.au/archive/925285


    http://superuser.com/questions/15413...-boot-from-iso


    So far I get "Error 1: filename must be either an absolute pathname or blocklist"
    Am I missing something here tripzero?

    Any help will be appreciated...thanks in advance!!!
    Linux(Learning the curve...Like when driving!!!)
    Worklog!!!http://www.mp3car.com/vbulletin/fabr...l-worklog.html

  4. #4
    Maximum Bitrate locs4dayz's Avatar
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    This link may be be the best as far as accomplishing my goal...

    http://superuser.com/questions/15413...-boot-from-iso

    Any thoughts or tips????
    Linux(Learning the curve...Like when driving!!!)
    Worklog!!!http://www.mp3car.com/vbulletin/fabr...l-worklog.html

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