Installing

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This page covers the basics of installing GalliumOS. There are two basic ways to do this. You can install from a USB flash drive or SD card, which will allow you to use your whole SSD or HDD for GalliumOS, along with other more complicated configurations, such as dualbooting with Windows or other Linux distributions. You can also use chrx, which is a user friendly script written by User:reynhout that will allow you to dualboot GalliumOS and ChromeOS on the same computer with relative ease.


Traditional ISO Install

The traditional installer allows you to use your entire SSD or HDD for GalliumOS. You will need to use a USB flash drive or SD card You can also use GalliumOS Live to try out the features of GalliumOS before you even install it!

  1. Go to Preparing for GalliumOS and get your Chromebook ready to run GalliumOS.
  2. Download a GalliumOS ISO from the downloads page on GalliumOS.org
  3. Write (or "burn") the ISO to a USB flash drive or an SD card. Detailed instructions for this are at Making GalliumOS Bootable Media
  4. Plug your USB flash drive or SD card into your Chromebook
  5. Reboot your Chromebook and boot from the USB flash drive or SD card.
    1. If you have custom firmware, press Esc at the BIOS screen and press 2 to boot from USB.
    2. If you have the scary white screen, press Ctrl+L.
  6. Wait for GalliumOS to boot up. Once in the live environment you can play around with GalliumOS, or you can install it using the Install GalliumOS icon on the desktop.


GalliumOS on chrx

GalliumOS is installable via chrx, a user friendly script written by User:reynhout that will allow you to dualboot GalliumOS and ChromeOS on the same computer with relative ease. Please note that chrx is only possible on Haswell and Broadwell Chromebooks, and some Chromebooks may require additional tweaking to make it work. The original Chromebook Pixel should also be supported dispite it being an Ivy Bridge.


Installing GalliumOS via chrx will allow you to run a dualboot, with GalliumOS and ChromeOS, allowing you to choose between them at boot.

Note that chrx only works with certain Chromebook models, so be sure to review the hardware compatibility list.

  1. Follow the steps are Preparing for GalliumOS to make sure your Chromebook is ready to boot GalliumOS.
  2. Boot up and log in to your Chromebook, and connect to the internet. Make sure you have a good stable internet connection.
  3. Press Ctrl+Alt+T to open up a crosh session. Type shell and press enter to start bash.
  4. Run chrx
    1. curl -O https://chrx.org/go && sh go -d galliumos
    2. You can add more options to the end to customize your install. See the chrx documentation for more information.
  5. Follow on-screen instructions to repartition your SSD and install GalliumOS. Be patient, it may take quite a while depending on your internet connection and SSD speed.
  6. When it's all done, reboot your Chromebook. Now you can press Ctrl+D at the scary white screen to boot to ChromeOS, or Ctrl+L to boot to GalliumOS.