Difference between revisions of "Acer C710 Chromebook"

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(Skel for SeaBIOS install guide)
(→‎Copy Arch Image to C7: deleted, no longer relivent)
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See Also: [http://www.chromium.org/chromium-os/developer-information-for-chrome-os-devices/acer-c7-chromebook#TOC-Entering-Developer-Mode Acer C7: Entering Developer Mode]
See Also: [http://www.chromium.org/chromium-os/developer-information-for-chrome-os-devices/acer-c7-chromebook#TOC-Entering-Developer-Mode Acer C7: Entering Developer Mode]
=== Copy Arch Image to C7 ===
Now it gets messy. You should have a ChrUbuntu install that you did not reboot into(you're back in the bash shell in ChromeOS) and a ready-to-go Arch install on arch.img. Copy the arch.img file to a transfer medium(USB, HDD, Cloud, SSHFS, BT, etc).
* Copy the Arch image to the Chromebook.
* Create working directories.
# mkdir mnt mnt2 mnt3 backup
* If your Arch image is on a USB key or drive, run "mount /dev/sdb1 mnt" (replacing /dev/sdb1 with the identifier of your USB drive according to ChromeOS). Then run "mount mnt/arch.img mnt2" (replacing arch.img with the name of your Arch image).
* Otherwise, I'm assuming your Arch image was downloaded to the Chromebook somehow. So run "mount /path/to/arch.img mnt2"
* Mount Ubuntu's root at mnt3.
# mount /dev/sda7 mnt3
* Copy all firmware and kernel modules, which we'll need to successfully boot Arch.
# cp -a mnt3/lib/{firmware,modules} backup/
* Save all module configs.
# cp -a mnt3/etc/modprobe.d/*.conf backup/
* Remove old Ubuntu install
# rm -rf mnt3/*
{{Warning|Make 100% certain you typed "mnt3/*" and not some other mountpoint or you may toast your USB stick or Arch install.}}
* Copy your Arch install off to what was Ubuntu's root directory.
# cp -a mnt2/* mnt3/
* Restore module configs.
# cp -a backup/*.conf mnt3/etc/modprobe.d/
If running x86
* Run "cp -a backup/modules/* mnt3/lib/modules/". This will restore kernel modules.
If running x86_64
# wget http://grayhatter.com/public/archC7/zgb-x64-modules.tar.bz2
# tar xf zgb-x64-modules.tar.bz2
# sudo cp -R 3.4.0 mnt3/lib/modules/
* Restore kernel firmwares.
# cp -a backup/firmware mnt3/lib/
* Copy CGPT to arch so we can boot back and fourth.
# cp /usr/bin/cgpt mnt3/usr/bin/
# mkdir mnt3/usr/bin/old_bins
# cp /usr/bin/old_bins/cgpt mnt3/usr/bin/old_bins
* To use CGPT later, you will need to install glibc (32-bit) or lib32-glibc (64-bit).
* "umount" mnt3, mnt2, and mnt. In that order.
=== Finishing Up ===
=== Finishing Up ===

Revision as of 19:29, 22 September 2014

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Reason: misleading, this will not end with fully arch installation as it doesn't use arch kernel packages, consider adding remarks about the limitations and disadvantages. it might worth taking the guide out of the c7 chromebook and into a generic solution for having Arch rootfs on Chromebooks without SeaBIOS payload. (Discuss in Talk:Acer C710 Chromebook#)

This page is a work in progress guide to running Arch Linux on the Acer C7 Chromebook. See these Acer_C720_Chromebook for the Acer C720 Chromebook.

Over seven models exist, starting at $199, less if used. These laptops make a great side laptop to jump into linux with!

For now you need another computer running *nix. If you're already running ChrUbuntu on your Acer C7, skip to creating your own Arch image.

Installation of Arch Linux

Arch runs well on the Acer C7, but there's some work that you need to put in if you want a real Install, it will also void your warranty and might brick your device. There's a safer option (not yet covered here) but it has way too many caveats making it not recommended.

Coreboot/SeaBIOS Method

Warning: This section is a work in progress following it while this warning still exists will probably leave you with a non working system.


Enable Developer mode

Flash SeaBIOS

Install Arch

ChrUbuntu Method

This Method is not currently detailed here, but it can be done if you're willing to spend the time.

Cleaning up

Warning: *BACK UP YOUR DATA.* All of it, somewhere else(Cloud, USB, another machine). The entire data partition will be purged many times.

Enabling Dev Mode

First step is to enable Dev mode on the system so we can run some unsigned code. This will wipe all your data!

To enter Dev Mode:

  • Press and hold the Esc+F3 (Refresh) keys, then press the Power button. This enters recovery mode.
  • Now, press Ctrl+D (no prompt). It will ask you to confirm, then the system will reboot into Dev Mode.
Dev Mode will show the white boot screen. Press Ctrl+D or wait 30 seconds to beep and boot.
Note: To hard reset, press Esc+F3 (Refresh). This acts like a reset button on a desktop PC. The same warnings apply - The OS cannot save itself from this, and data loss is possible.

See Also: Acer C7: Entering Developer Mode

Finishing Up

  • Reboot and enjoy your Arch install! Note that ChrUbuntu's installer only told cgpt to boot to the Linux partition one time, so if anything is hosed, a reboot will send you back to ChromeOS. If all went well and you are happy with everything, you can reboot to ChromeOS, drop to the Ctrl+Alt+F2 console, and run a `sudo cgpt add -i 6 -P 5 -S 1 /dev/sda` to make the Chromebook always boot Arch.

See Also