/grub-img

Create a disk image with grub for VPS one click dd script.

Primary LanguageShell

Grub Image

Create a disk image with grub for VPS one click dd script.

Most one click dd script for VPS using existing grub bootloader.

This has some limitations on executing environment:

  • No grub installed.
  • Has another bootloader but not grub.

This repo create a disk image with grub.

Image

There are several size prebuild images at releases page. Choose a image size you need.

The image contains a vfat partion with grub installed. Grub already used about 2M space, you can use left space.

Usage

With helper

There is a simple script for alpine linux installation.

#!/bin/sh

set -e

mirror="https://dl-cdn.alpinelinux.org/alpine/v3.18"
baseUrl="$mirror/releases/x86_64/netboot-3.18.0/"

setupFiles(){
    wget "$baseUrl/vmlinuz-virt" -O "$1/vmlinuz-virt"
    wget "$baseUrl/initramfs-virt" -O "$1/initramfs-virt"
}
configGrub(){
    cat >> $1 << EOF
menuentry 'Alpine Linux' {
    linux /vmlinuz-virt alpine_repo="$mirror/main" modloop="$baseUrl/modloop-virt" modules="loop,squashfs" initrd="initramfs-virt"
    initrd /initramfs-virt
}
EOF
}

wget https://raw.githubusercontent.com/gogogoghost/grub-img/master/helper.sh
chmod +x helper.sh

grubImgVersion="v1.2"
grubImgSize=64
targetDev="/dev/sda"

. ./helper.sh

Use Image Directly

Download image file and do it yourself.