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ChrUbuntu-Guides/Guides/Installing ChrUbuntu to USB or SD Card.md
402442e Feb 14, 2015
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While it is possible to install ChrUbuntu to an SD card or USB drive, the easiest method is actual much more direct.

PREREQUISTES 2 cards/drives to install onto and use and the installer. This guide assumes you have already created a Live USB to install from with your choosen distro. Look here on how to do this.

NOTE: If you already have Linux installed, you can start at step 7.

  1. Ensure that your machine is in Developer Mode. Model-specific instructions can be found here Developer Mode will wipe your machine once turned on
  2. Login to your machine
  3. Press CTRL+ALT+T to open crosh
  4. Type shell into the command line
  5. Login as user 'chronos', with no password.
  6. Run the command to allow booting to Linux and USB devices:

sudo crossystem dev_boot_usb=1 dev_boot_legacy=1

  1. Shut down the Chromebook

  2. Insert Live Linux USB

  3. Start the machine and press CTRL+L to boot into Legacy Mode

  4. Press Esc when prompted to enter the Boot Menu

  5. Select the option for USB Device NOTE: Some Live Linux USBs will complain about 'not enough memory' If you see this try the following: From the GRUB menu hit Esc to edit the GRUB command line. At the end of the line add

    MEM=2G

Exit and try to boot the USB again 12. Once booted, insert the card/drive that you wish to install to and start the installation process. Select the card/drive as the installation target and go through the installation process. 13. Once rebooted, you'll be presented with the Deverloper Mode Boot Screen.

  • To boot ChromeOS, hit CTRL+D
  • To boot ChrUbuntu, hit CTRL+L

Further Reading