Multiboot USB

About

This repository stores the files needed to create a pendrive capable of booting different ISO files using GRUB2.

Getting the files

Using Git

If we have Git installed on the system, we can get the files directly from the repository:

git clone git://github.com/aguslr/multibootusb.git

After this, every time we want to update the files we do:

cd multibootusb && git pull

Without Git

If Git is not installed, we can still get the files as long as we have a basic Unix environment available:

wget https://github.com/aguslr/multibootusb/tarball/master -O - | tar -xzv --strip-components 1 --exclude={README.md,demo.gif}

Creating the USB drive

Manually prepare the drive

Creating a bootable USB drive

Follow the instructions to create a Hybrid UEFI GPT + BIOS GPT/MBR boot from the ArchWiki.

Copying the files to the USB drive:

1. Mount the data partition:

   mount --target <mountpoint> <partition>

   Where <mountpoint> is any directory you want the partition to be mounted at, and <partition> is the name of the data partition (e.g. /dev/sdh3). Run dmesg to get this information.

2. Create a directory named boot to store GRUB's configuration files, a directory named bin for binary files and another named isos for the kernel/ISO files:

   mkdir -p <mountpoint>/boot/{grub/grub.d/,bin,isos}

3. Copy the necessary GRUB files:

   cd multibootusb && cp -rf {grub.cfg,grub.d,multiboot.*} <mountpoint>/boot/grub/

4. Download memdisk from kernel.org:

   wget -qO - 'https://www.kernel.org/pub/linux/utils/boot/syslinux/syslinux-6.03.tar.gz' | tar -xz -C <mountpoint>/boot/grub/ --no-same-owner --strip-components 3 'syslinux-6.03/bios/memdisk/memdisk'

5. Download Memtest86+:

   wget -qO - 'http://www.memtest.org/download/5.01/memtest86+-5.01.bin.gz' | gunzip -c > <mountpoint>/boot/bin/memtest86+.bin

Using the script

Simply run as root:

./makeUSB.sh <device>

Where <device> is the name of the USB device (e.g. /dev/sdh). Run mount to get this information.

WARNING: This will delete all data in the device, so make sure you pick the right one.

These are the options for the script:

Script to prepare multiboot USB drive
Usage: makeUSB.sh [options] device [fs-type]

 device                         Device to modify (e.g. /dev/sdb)
 fs-type                        Filesystem type for the data partition [ext3|ext4|vfat|ntfs]
  -b,  --hybrid                 Create a hybrid MBR
  -e,  --efi                    Enable EFI compatibility
  -i,  --interactive            Launch gdisk to create a hybrid MBR
  -l,  --log                    Save debug information to log
  -h,  --help                   Display this message

Get bootable files

Currently, the following bootable files are supported (save to <mountpoint>/boot/isos):

• Antergos: a modern, elegant, and powerful operating system based on one of the best Linux distributions available, Arch Linux.

• Arch Linux: a lightweight and flexible Linux® distribution that tries to Keep It Simple.

• AVG Rescue CD: a tool to repair system crashes and return your systems to operating at full capacity.

• BackBox: an Ubuntu-based distribution developed to perform penetration tests and security assessments.

• boot.rackspace.com: a collection of iPXE scripts that allow you to rapidly network boot Operating Systems, Utilities and other tools very easily.

• Boot-repair-disk: the 'must-have' rescue CD.

• Byzantium: a live Linux distribution that delivers easy-to-use, secure, and robust mesh networking capabilities.

• CentOS: a community-driven free software effort focused on delivering a robust open source ecosystem.

• Clonezilla Live: a small bootable GNU/Linux distribution for x86/amd64 (x86-64) based computers.

• DBAN: a free erasure software designed for the personal user.

• Debian: a free operating system (OS) for your computer.

• elementary OS: a fast and open replacement for Windows and OS X.

• Fedora: a polished, easy to use operating system.

• Gentoo Linux: a flexible, source-based Linux distribution that becomes just about any system you need—and much more.

• GParted Live: a small bootable GNU/Linux distribution for x86 based computers.

• Grml Live Linux: a bootable live system based on Debian that includes a collection of GNU/Linux software especially for system administrators.

• Hiren's BootCD: a first aid kit for your computer.

• Kali Linux: a Debian-derived Linux distribution designed for digital forensics and penetration testing.

• KDE neon: the latest and greatest of KDE community software packaged on a rock-solid base.

• Linux Mint: an Ubuntu-based distribution whose goal is to provide a more complete out-of-the-box experience by including browser plugins, media codecs, support for DVD playback, Java and other components.

• Manjaro Linux: a user-friendly Linux distribution based on the independently developed Arch operating system.

• netboot.xyz: a way to select various operating system installers or utilities from one place within the BIOS without the need of having to go retrieve the media to run the tool.

• OpenBSD: a FREE, multi-platform 4.4BSD-based UNIX-like operating system.

• openSUSE: a Linux-based project and distribution sponsored by SUSE Linux GmbH and other companies.

• Parabola GNU/Linux-libre: a community driven effort to provide a fully Free (as in freedom) operating system that is simple and lightweight.

• Parted Magic: a complete hard disk management solution.

• Raspberry PIXEL: the Raspberry Pi OS for PC and Mac.

• Sabayon Linux: a beginner-friendly Gentoo-based Open Source Linux distribution.

• Slax Linux: a modern, portable, small and fast Linux operating system with a modular approach and outstanding design.

• SliTaz: a secure and high performance operating system using the Linux Kernel and GNU software.

• SystemRescueCd: a Linux system rescue disk for administrating or repairing your system and data after a crash.

• Tails: a live operating system, that aims at preserving your privacy and anonymity.

• Trisquel GNU/Linux: a fully free operating system for home users, small enterprises and educational centers.

• Tiny Core Linux: a highly modular based system with community build extensions.

• Ubuntu: an open source software platform that runs from the cloud, to the smartphone, to all your things.

• Ultimate Boot CD: a boot CD with several diagnotic tools.

• Void: a general purpose operating system, based on the monolithic Linux® kernel.

Testing USB drive with QEMU

To test the newly created USB drive in a virtual environment, run:

qemu-system-x86_64 -enable-kvm -localtime -m 2G -vga std -drive file=<device>,cache=none,if=virtio

Where <device> is the name of the USB device (e.g. /dev/sdh). Run mount to get this information.

Demo

Similar projects

• Easy2Boot;
• MultiBootUSB;
• SARDU;
• YUMI.

References

• Hybrid UEFI GPT + BIOS GPT/MBR boot
• Using Syslinux and memdisk
• Thermionix/multipass-usb
• Transform a USB stick into a boot device packing multiple Linux distros
• MultiBoot USB with Grub2 (boot directly from iso files)
• Grub2 Loop Boot Solution
• Multiboot USB-Stick: grml 2014.11 einrichten
• Man page of SGDISK
• Hybrid MBRs
• Super Grub Disk Wiki - Loopback.cfg
• Grub2 loopback ISO support - Ultimate Boot CD