9/24/2019

Grub2 Install Iso

Boot ISO Files directly from USB using Grub2 from Linux. Here is one way to create a Multiboot USB Flash Drive from a running Ubuntu (I used the Live CD). You may eventually need a large Flash Drive or USB Hard Drive in order to include every bootable ISO entry. I will add more Bootable ISO files to the grub.cfg file as I find time to test them. Contact me to submit working Bootable Linux ISO grub.cfg entries for inclusion.

I. Format your USB Flash Drive to use a Single Partition:

  • Linux’s GRUB2 boot loader can boot Linux ISO files directly from your hard drive. Boot Linux live CDs or even install Linux on another hard drive partition without burning it to disc or booting from a USB drive. We performed this process on Ubuntu 14.04 — Ubuntu and Ubuntu-based Linux distributions have good support for this.
  • Check the number of hard disk you will install, be it USB or HDD. Run diskmgmt.msc to open Disk Management.Here I will install Grub2 for USB. In Disk Management is Disk 2, we will remember number 2 here. Grub2 for Windows supports installation and boot on three platforms: i386-pc, x8664-efi and i386-efi.
  • Sep 11, 2019  Super GRUB2 Disk helps you to boot into most any Operating System (OS) even if you cannot boot into it by normal means. Features Everything option to detect most Operating Systems.
  • To chainload an ISO with custom or default kernel command line arguments, an entry similar to the following can be added to GRUB2's grub.cfg file: FILE /boot/grub/grub.cfg Example entry for chainloading an ISO file.
  • @Serge yes, you are correct, but afaik the EFI partition is made into the ISO for both El Torito (DVD/CD media booting) and the EFI folder booting (bootin from USB). Also GRUB should be able to boot these kind of ISO images by simply setting a loopback option toGRUB boot options.

How To Install Iso

How to Run ISO Files Directly From the HDD with GRUB2. While it is easy to copy these onto a USB disk, in certain cases one might want to run the same ISO image often or run different ones regularly. GRUB 2 can be configured so that you do not need to burn the ISOs to disk or use a USB drive, but need to run a live environment directly form the boot menu. To Install Ubuntu from an ISO Menuentry, use the procedures previously discussed to: Download the appropriate ISO. Move it to the desired location. Create the GRUB 2 menuentry and update the GRUB configuration file. Boot the ISO from the GRUB menu. Note: If you have a large amount of RAM you may.

Grub2 Iso Boot

  1. Open a terminal and type sudo su
  2. Type fdisk -l (and note which device is your USB Drive)
  3. Type fdisk /dev/sdx (replacing x with your actual usb device)
  4. Type d (to delete the existing partition)
  5. Type n (to create a new partition)
  6. Type p (for primary partition)
  7. Type 1 (to create the first partition)
  8. Press Enter (to use the first cylinder)
  9. Press Enter again (to use the default value as the last cylinder)
  10. Type a (for active)
  11. Type 1 (to mark the first partition active 'bootable')
  12. Type t (for partition type)
  13. Type c (to use fat32 partition)
  14. Type w (to write the changes and close fdisk)

II. Create a Fat32 Filesystem on the USB Flash Drive:

  1. Type umount /dev/sdx1 (to unmount the mounted partition)
  2. Type mkfs.vfat -F 32 -n MULTIBOOT /dev/sdx1 (to format the partition as fat32)

III. Install Grub2 on the USB Flash Drive:

Important Note:
Old versions of grub used --root-directory=/mnt/USB
while current versions use --boot-directory=/mnt/USB/boot

If you use the wrong syntax, you will receive an error stating 'Installation is impossible. Aborting'

  1. Type mkdir /mnt/USB && mount /dev/sdx1 /mnt/USB (replacing x with your actual usb device)
  2. Type grub-install --force --no-floppy --boot-directory=/mnt/USB/boot /dev/sdx (replacing x with your actual USB device)
  3. Type cd /mnt/USB/boot/grub (to change directory)
  4. Type wget pendrivelinux.com/downloads/multibootlinux/grub.cfg (to get the grub.cfg file)

IV. Adding the Bootable ISO files:

  1. Type cd /mnt/USB (assuming USB is still mounted… else repeat section III. (part 1))
  2. Simply click a tab below, and follow the instructions for each ISO Distro you would like to add.

Type wget 'http://releases.ubuntu.com/13.04/ubuntu-13.04-desktop-i386.iso' -O ubuntu.iso

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Or rename your existing ISO ubuntu.iso and copy it to the USB device

Type wget 'ftp://ftp.heanet.ie/pub/linuxmint.com/stable/15/linuxmint-15-cinnamon-dvd-32bit.iso' -O linuxmint.iso

Or rename your existing ISO linuxmint.iso and copy it to the USB device

Type wget 'downloads.sourceforge.net/project/dban/dban/dban-2.2.6/dban-2.2.6_i586.iso?r=&ts=1292340298&use_mirror=surfnet' -O dban.iso

Or rename your existing ISO dban.iso and copy it to the USB device

Type wget 'distro.ibiblio.org/pub/linux/distributions/tinycorelinux/2.x/release/tinycore-current.iso' -O tinycore.iso

Or rename your exisitng ISO tinycore.iso and copy it to your USB device

Type wget memtest.org/download/4.10/memtest86+-4.10.zip
Type unzip memtest86+-4.10.zip
Type cp memtest86+-4.10.bin memtest86+.bin

Or extract the contents of your memtest86+ zip. Rename the bin to memtest86+.bin and copy it to your USB device

Adding an Unlisted ISO: To try ISO Files that are not yet listed, use the existing menuentry examples in /boot/grub/grub.cfg and append any options normally found in the distributions syslinux.cfg file on the 'append' line to the 'linux' line of the menu entry.

Please inform me of entries you get to work and I will add them to the list, so that others may benefit as well.

V. Last Step… Test to ensure your USB Device Boots into Grub2:

Reboot your Computer, and enter your BIOS or Boot Menu. Set the Boot Order to boot from the USB Device. Save your changes and Reboot. If all goes well, you should be presented with a Grub2 Boot Menu.

Boot Multiple ISO from USB via Grub2 using Linux published under Flash drive installs using Linux