create-uefi-usb-from-iso.md

create uefi usb from iso

⚠️ data on /dev/sdX will destroyed

• suppose
  • /dev/sdX target device
  • image.iso source uefi iso
  • ~/tmp/uefi-usb-dst temp usb dest folder
  • ~/tmp/image.iso source uefi iso image
  • ~/tmp/uefi-iso-mnt temp uefi iso mount folder

mkdir -p ~/tmp/uefi-usb-dst ~/tmp/uefi-iso-mnt

parted --script /dev/sdX mklabel gpt
parted --script --align=optimal /dev/sdX mkpart ESP fat32 1MiB 100%

for linux based images

parted --script /dev/sdX set 1 boot on

for win based images

parted --script /dev/sdX set 1 msftdata on

mkfs.vfat -n MYLBL /dev/sdX1

mount -t vfat /dev/sdX1 ~/tmp/uefi-usb-dst
mount ~/tmp/image.iso ~/tmp/uefi-iso-mnt -o loop
rsync -arvx --no-perms --no-owner --no-group --delete ~/tmp/uefi-iso-mnt/ ~/tmp/uefi-usb-dst/

umount ~/tmp/uefi-iso-mnt
umount ~/tmp/uefi-usb-dst
sync