Install grub on usb download#
Feel free to download it to see the exact details of what I did: There's no documentation but comments in the "build" script itself, so you're on your own. I have not packaged this into release project and never intended to. I start by running a Live-Cd on the machine that need grub installing, and open a terminal, I use Q4OS for this but these instructions should work with almost any.
Install grub on usb install#
I built mine with a script to be run at a root command shell. On occasion I have had to install grub from a Live-Cd when something has gone wrong or I have forgotten to install it during an OS install, below is the method I use to get it back. I do not know of any drag-and-drop tools. having Ubuntu and Kubuntu on the same device). File descriptor 4 (/dev/sda1) leaked on vgs invocation. It could be easy if they share the same kernel (e.g. Install GRUB on the primary disk drive (in our case it is /dev/sda): grub-install /dev/sda - sample output -Installing for x8664-efi platform.
Install grub on usb iso#
This only works for ONE ISO image per USB memory stick. It can also decompress operating system images before booting them. As long as it has a way to set defaults or do a built-in config, or there is a way to reference a config file, this should be doable without having to rebuild the ISO. What is GRUB install GRUB can be run from or be installed to any device (floppy disk, hard disk, CD-ROM, USB drive, network drive) and can load operating systems from just as many locations, including network drives. I've since moved over to SYSLINUX for my bootable projects, so I never actually worked out the process for GRUB2. This command provides a minimal GRUB install inspired by an Arch Linux article. mount -t udf /win10.iso /mnt/win10 Install grub to the ext4 partition (sdz1). However I did this with GRUB legacy (v1). In my case, I am mounting it at /mnt/win10. I achieved this by appending the kernel (and the memory tester image) to the ISO (so it got larger), assigned a sector location for the stage2 image, modified the GRUB source so all the sectors were built in (directly in stage1 and via a built config for stage2), compiled, and finished the image with stage2 appended, and stage1 replacing sector 0.
I have succeeded in converting them from plain ISO into a hybrid ISO/IMG file that can be dd'd directly to a USB memory stick, and still be burned to a CD or DVD. Ubuntu uses Casper for its bootable install/live ISO images and that looks everywhere for the ISO filesystem it wants to mount. However, since GRUB puts its config files in /boot/grub, where those will go depends on what kind of installation you have in the USB drive. I did like this: step1: format the flash drive as FAT in winXP. My computer installs winxp, and I have fedora12 installed in vmware. If the initialization system will scan hard drive devices, as well as optical media devices, for the root filesystem it seems, you should be able to tweak an existing bootable ISO image to work on any hard drive type device, like a USB memory stick. sudo grub-install /dev/sdb (where sdb is your USB drive) should work when booted from the hard drive with USB drive connected. I wanna install grub on my flash drive for rescue usage.
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