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Thread: Multiboot USB Stick

  1. #1
    Join Date
    Nov 2005
    Location
    Washington, DC suburb
    Beans
    208
    Distro
    Kubuntu 12.04 Precise Pangolin

    Multiboot USB Stick

    Hello all,

    I wanted to create a multi-boot usb stick to be able to install my choice of Kubuntu 32 or 64 bit or XBMCbuntu.

    I Googled it, and found this: http://www.pendrivelinux.com/install...-ubuntu-linux/

    I followed the instructions up to step 8, and then copied a fresh Kubuntu ISO file onto the drive. I tested it with the single image and from there, I changed my /boot/grub/grub.cfg file to the following:

    Code:
    set timeout=10
    set default=0
    
    menuentry "Kubuntu 32-bit Live" {
     loopback loop /boot/iso/kubuntu32.iso
     linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/kubuntu32.iso splash --
     initrd (loop)/casper/initrd.lz
    }
    
    menuentry "Kubuntu 64-bit Live" {
     loopback loop /boot/iso/kubuntu64.iso
     linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/kubuntu64.iso splash --
     initrd (loop)/casper/initrd.lz
    }
    
    menuentry "XBMCbuntu Intel-AMD" {
     loopback loop /boot/iso/xbmcbuntu-12.00.Intel-AMD.iso
     linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/xbmcbuntu-12.00.Intel-AMD.iso splash --
     initrd (loop)/casper/initrd.lz
    }
    
    menuentry "XBMCbuntu Intel-NVIDIA" {
     loopback loop /boot/iso/xbmcbuntu-12.00.Intel-NVIDIA.iso
     linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/xbmcbuntu-12.00.Intel-NVIDIA.iso splash --
     initrd (loop)/casper/initrd.lz
    }
    I then placed my ISO images into the /boot/iso/ folder with the appropriate names according to the config file. The resulting USB stick works, but I'd like to make it better.

    When I make a selection from the boot up menu, the screen goes blank. If the selected distro works on the machine in use, eventually, you start to see the various messages normally hidden by a splash screen. If the selected distro doesn't work on the machine in use (for instance, 64-bit Kubuntu on a 32-bit processor) nothing happens.

    I don't expect to be able to diagnose and autoselect 32bit vs. 64bit or anything so ambitious. But I would like to make the splash screens for the selected distro appear. And maybe a few other tweaks should I run accross anything interesting. I discovered the Communtiy Documentation Page, and had a look at some of the examples, but I'm still having trouble understanding how to tweak the config file for things like the splash screen.

    Any suggestions?
    Mythbuntu 12.04 ASUS MoBo - Phenom II X4 3.2Ghz, 2G RAM, 32GB SSD, BD-RE, 4 x 2TB RAID 5
    - HDHomerun Prime HDHR3-CC
    - SMB Server
    - XBMC MySQL Database Sharing

  2. #2
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Multiboot USB Stick

    At the end of the linux line is the splash setting, just remove it.

    I changed all my grub loop entries to include nomodeset as my nVidia needs that to boot. You can use any of the boot options. With the loop mount you do not get the screen on where to choose to add boot options, but just have to add them yourself in place of splash.

    If booting different systems that may need different boot settings use e on grub menu and manually add them yourself.
    For info on UEFI boot install & repair - Updated Mar 2015:
    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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