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usb_setup.md

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Install Fuchsia from a USB flash drive

You can use a USB flash drive to make your target device to boot from the Fuchsia installer, which then installs a freshly built Fuchsia image on the device directly from the USB.

To prepare a USB flash drive to be a bootable disk, do the following:

  1. Set the build configuration to workstation_eng.x64 and include the recovery package (recovery-installer):

    fx set workstation_eng.x64 --with //build/images/recovery:recovery-installer

  2. Build a new Fuchsia image and its artifacts:

    fx build

  3. Plug a USB flash drive into your workstation.

  4. Identify the path to the USB drive:

    fx list-usb-disks

    This command prints output similar to the following:

    $ fx list-usb-disks
/dev/sda - My Example USB Disk

  5. Create a bootable USB drive:

    fx mkinstaller -v --new-installer {{ "<var>" }}PATH_TO_USB_DRIVE{{ "</var>"}}

    Replace PATH_TO_USB_DRIVE with the path to the USB drive from the step above.

    The example command below selects the /dev/sda path:

    $ fx mkinstaller -v --new-installer /dev/sda

    When finished, the command prints output similar to the following in the end:

    $ fx mkinstaller -v --new-installer /dev/sda
mkinstaller: WARNING: Changing ownership of /dev/sda to alice
[sudo] password for alice:
...
mkinstaller: INFO:    Writing image fvm.sparse.blk to partition storage-sparse...
mkinstaller: INFO:      Wrote 835.6M in 35.55s, 23.5M/s
mkinstaller: INFO: Done.
mkinstaller: INFO: Ejected USB disk

  6. Unplug the USB drive from the workstation.

  7. Plug the bootable USB drive into your target device.

  8. Configure the target device's BIOS to boot from a USB drive.

  9. Reboot the target device.

    The device boots into the Fuchsia Workstation Installer.

  10. Press Enter on prompts to continue the installation process.

    When the installation is finished, the screen displays Success! Please restart your computer.

  11. Unplug the USB drive from the target device.

  12. Reboot the target device.

    The target device is now booted into Fuchsia’s Workstation.