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May 20, 2013 / amsanjeev

Ubuntu on Pixel – Installation steps

DISCLAIMER : All the following information is available in the internet for free and all i am attempting to do here is to consolidate that and express my experience  trying out each of the methods mentioned below .

Put the device into developer mode

  • Turn off the Chromebook.

  • Press and hold the Esc and Refresh keys while you hit the Power button.

  • Press Ctr+D and wait for sometime

  • your system should reboot into developer mode.

Install crouton

  1. Boot your Chromebook (in dev mode) and download the latest crouton script from

  2. Press Ctrl+Alt+T to open a terminal.

  3. Type “shell” (without the quotes) to enter shell mode.

  4. Type “sudo sh -e ~/Downloads/crouton -t xfce” or “sudo sh -e ~/Downloads/crouton -t unity ” depending on whether you want unity or xcfe .

This will start the download of the necessary packages and installation.

Once installation is complete you can run the linux by typing in the following command “sudo startxfce4”


To correct the resolution there are 3 options available


1. change the dpi

  1. In Xfce, right-click the desktop and choose Desktop Settings.

  2. In Icons tab, increase the icon size. Recommended: 72.

  3. Close the window.

  4. Right-click the desktop and choose Applications > Settings > Appearance.

  5. In the Icons tab, select Humanity, Humanity-Dark, or Tango. GNOME icons are not resolution independent.

  6. In Fonts tab, enable Custom DPI and set it to 150, or adjust to your liking.

  7. Close window.

  8. Right-click the desktop and choose Applications > Settings > Panel.

  9. Use the slider to increase the size of the panel. Recommended for ease of touch: 72 and close the window .

2. change the resolution

add the following to /etc/x11/xorg.conf


Section “Device”

       Identifier      “Configured Video Device”



Section “Monitor”

       Identifier      “Configured Monitor”

       Modeline        “1712x1133_60.00”  162.25  1712 1832 2008 2304  1133 1136 1146 1175 -hsync +vsync

       Option          “PreferredMode” “1712x1133_60.00”



Section “Screen”

       Identifier      “Default Screen”

       Monitor         “Configured Monitor”

       Device          “Configured Video Device”



Section “ServerLayout”

       Identifier      “Default Layout”

       Screen          “Default Screen”



3. Add a file /etc/X11/xorg.conf.d/90-monitor.conf to explicitly set the screen size, i.e. containing

Section “Monitor”
   Identifier             “<default monitor>”
   DisplaySize            270 180    # In millimeters



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