Archlinux on Pixelbook

It's been a while since I last paid attention to the laptop market. With a little disappointment, the hardware spec hasn't been improved as much as I expected. Ultrabooks are still mostly shipped with two typical combinations: 8G RAM with i5 or 16G RAM with i7. I don't need i7 because I weigh portability over performance. I have my nice Linux desktop for performance demanded tasks and I would like to have a skinny laptop that is friendly to both surfing and coding. Moreover, I've been waiting for a "dream" machine that can properly serve both as a laptop and a tablet. Pixelbook seems just right.

I got one with 8G RAM, i5 CPU, and 128G SSD at $880 during a sale. The hardware is worth the price, considering the decent spec given 2.4lb weight, and I also personally like the look that won't let any haxor down. It operates with the heavily shielded Chrome OS. After some search I realize that I need to give up the security guarantee by switching to developer mode, in order to run a decent Linux distro aside. Doing so will cause the laptop generates loud beep sound if one does not press Ctrl+D to skip it at boot time and all data will be erased if one presses space bar and enter key, before the beep. At the moment I was giving up to this plan of using crouton, Google held 2018 I/O event and announced crostini, a way to run other Linux distros inside sandboxed lxc containers, one day before I got my Pixelbook.

The crostini environment currently works, but with hacky scripts. The sommelier [1] program emulates an X11/Wayland server that in turn forwards the rendering commands to Chrome OS host, penetrating the container boundary. The good part of the story is, with linux container technology, unlike traditional VM with fully emulated hardware, the sandboxed Linux system runs with very little overhead. The provided distro, Debian Stretch, is only slightly adapted compared to the one given by Linux Containers [2]. This gives me some hope of figuring out how to apply the changes to in theory make containers of any Linux distros.

I use Archlinux since my conversion from Gentoo two years ago. It is easy to setup and bare-bones enough to customize. It has very up-to-date binary packages and the rolling update does not break as frequently as in its early years. Archlinux also uses systemd as in Debian, so it shouldn't be hard to make it work in crostini.

So far, I managed to run Archlinux as a container with working network, console, and Wayland display. I fixed the network issue using the lxc profile modification found here [3], and converted the Debian packages to make Wayland work. In theory, X11 should work as well, but due to some bug inside sommelier, I'm currently unable to run any X11-only program.

To get Archlinux working on your Pixelbook, try the following steps (in termina prompt):

  1. Adjust the profile for networking:
  1. Create and run the container:
  1. Enter the root shell:
  1. Or use console to login:
  1. You can use bazel to build the Debian packages provided here [4], and convert them to Archlinux packages using debtap [5]. The conversion isn't perfect, so don't forget to create a symlink from /usr/bin/sommelier to /opt/google/cros-containers/bin/sommelier.
  2. To avoid annoying retry messages, disable the ttys by systemctl disable getty@lxc-tty1, and the other five.
  3. For those slackers, here [6] is the link to the converted packages.
  4. Finally, a picture is worth a thousand words:

It shows a running Archlinux with a GUI terminal emulator, proper fonts, Rust, Texlive, etc.

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