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pixel_crouton

Running Ubuntu on the Chromebook Pixel 2 LS (Samus) via the Chromium OS Universal Chroot Environment.

i3wm

Install

# login to the root shell for one 'echo' command
sudo -i
echo "deb http://debian.sur5r.net/i3/ $(lsb_release -c -s) universe" >> /etc/apt/sources.list
logout
# we've returned to our user account
sudo apt-get update
sudo apt-get --allow-unauthenticated install sur5r-keyring
sudo apt-get update
sudo apt-get install i3

Configure

To configure i3 to auto launch:

echo "exec i3" >> ~/.xinitrc

Launching pixelunity and i3wm:

sudo enter-chroot -n pixelunity xinit

References

Keyboard

Crouton Keyboard Target

/etc/default/keyboard
XKBMODEL="chromebook"

cat ~/.Xmodmap


clear control
clear mod4
clear mod1

keycode 133 = Control_L
keycode 64 = Super_L

add control = Control_L Control_R

add mod4 = Super_L
add mod1 = Alt_L Alt_R


keycode 37 = Overlay1_Enable


cat ~/.xinitrc
xmodmap ~/.Xmodmap

References

HiDPI

cat ~/.Xresources
Xft.dpi: 144

cat ~/.xinitrc
xrandr --dpi 144 && xrdb -merge ~/.Xresources

gsettings set org.gnome.desktop.interface scaling-factor 1
gsettings set org.gnome.desktop.interface text-scaling-factor 1.5

Trackpad

Resources

I replaced the synaptics touchpad driver with the ChromeOS  driver (thank you Hugegreenbug!) on my trusty chroot (Pixel 2) and have had a much smoother experience. I thought I'd share the steps I took:

Please thank Hugh Greenberg for all his work!

sudo add-apt-repository ppa:hugegreenbug/cmt2

sudo apt-get update

sudo apt-get install libevdevc libgestures xf86-input-cmt

sudo mv /usr/share/X11/xorg.conf.d/50-synaptics.conf /usr/share/X11/xorg.conf.d/50-synaptics.conf.old

sudo cp /usr/share/xf86-input-cmt/50-touchpad-cmt-samus.conf /usr/share/X11/xorg.conf.d/

I also added these lines to the 50-touchpad-cmt-samus.conf file, but you may not be as annoyed with the right click area:

Option          "Button Right Click Zone Enable" "0"
Option          "Australian Scrolling" "1"

To disable other common options:

Option          "Tap Enable" "0"
Option          "Keyboard Palm Prevent Timeout" "0"

For even more options! Try this:

xinput --list-props 8

Where 8 is the device ID of the Atmel maXTouch Touchpad on my pixel 2, listed in xinput with no parameters, like this:

xinput

or

xinput list-props 'Atmel maXTouch Touchpad'

Pointer sensitivity:

xinput set-prop 'Atmel maXTouch Touchpad' 'Pointer Sensitivity' 6

Audio

i3 Key Bindings

Pre-requisites:

  • The crouton audio target is installed

In ~/.i3/config:

bindsym XF86AudioRaiseVolume exec volume up 1
bindsym XF86AudioLowerVolume exec volume down 1
bindsym XF86AudioMute exec volume mute toggle

References

Final .xinitrc

cat ~/.xinitrc
xmodmap ~/.Xmodmap && xrandr --dpi 144 && xrdb -merge ~/.Xresources && exec i3