How To Create a 64-bit Linux Bootable USB Thumb Drive with 32-bit UEFI Compatibility

Part 1: Making the USB Booting Thumb Drive
  • Download Rufus:
  • Download Linux ISO – In this example, we’re using Lubuntu 20.04.1
  • Download bootia32.efi bootloader:
  • Run Rufus to burn the Lubuntu image to a USB flash drive: choosing ‘GPT partition scheme for UEFI computer’ and ‘FAT32’ options
  • When image creation process is completed, navigate to the USB mount sub-folder ‘EFI\Boot’
  • Copy the downloaded bootia32.efi file into ‘[driveLetter:]\EFI\Boot’ folder
Part 2: How to Use USB Key to Install Linux
  • Insert the USB key into a computer with 32-bit UEFI BIOS
  • Enter that PC’s BIOS by pressing the ESC, DEL, or other keys as specified by the manufacturer of the box
  • Configure the bios to boot from USB, and disable any secured boot & fast boot options
  • Restart computer and run Linux installation
  • Three required manual partitioning parts:
    1. / ext4 flags: root
    2. /boot/efi fat32 flags: boot esp
    3. /swap linuxswap flags: swap

    Optional fourth component:
    4. /home ext4 or reiserfs flags: home

  • Finish the install as per common sense
Posted on Categories Linux

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