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Now copy & paste a grub.cfg file to /tmp/Files/boot/grub, Either from live ISO or download it from internet and format it accordingly.Įdit: To create grub.cfg as a normal user use chown recursively on Files partition.$ grub-install -target=x86_64-efi -efi-directory=/tmp/EFI -boot-directory=/tmp/Files/boot -removable -recheck $ sgdisk -new 2::"rem_space": -typecode 2:8300 -change-name 2:"Files" /dev/sdb $ sgdisk -new 1::+50M -typecode 1:ef00 -change-name 1:"EFI" /dev/sdb Type n (new gpt partition table) then w (write). $ sgdisk -zap-all /dev/sdbĬreate a new gpt (partition table), using fdisk $ fdisk /dev/sdb Create a grub.cfg file pointing towards your ubuntu installation.Īssuming usb device is /dev/sdb.Now I don't know if you will be able to access the second partition from windows. Now create another partition name it Files.Create a partition no less than 50 MB in size. After installing ubuntu dont remove the intallation media. I think running ubiquity with -b flag should do the trick. first install ubuntu without bootloader.Using this script as an example this can be achieved. To wipe a directory type: wipe -r directoryname. To report on progress type: wipe -i filename. To remove a single file using wipe type: wipe filename.

The wipe command is useful to remove files, directories partitions or disk. You can do it by simply adjusting some steps used to create multibootusb. To install wipe on Debian/Ubuntu type: apt install wipe -y. What you are trying to achieve is create a partition install ubuntu on it without the bootloader then use bootloader installed on usb drive to boot the ubuntu installation.