bash script for entering Arch Linux chroot on Samsung Chromebook (ARM) -- Based on the excellent instructions found at http://solvitor.com/2013/01/02/lamp-stack-on-an-arm-chromebook/

arch.sh

#!/bin/bash

echo "chrooting to Arch Linux"
sudo cp /etc/resolv.conf /usr/local/arch/etc/resolv.conf
sudo mount -o bind /dev /usr/local/arch/dev
sudo mount -t devpts -o rw,nosuid,noexec,relatime,mode=620,gid=5 none /usr/local/arch/dev/pts
sudo mount -t proc proc /usr/local/arch/proc
sudo mount -t sysfs sys /usr/local/arch/sys
sudo chroot /usr/local/arch /bin/su - <your username here>
echo "leaving Arch Linux chroot"
sudo umount /usr/local/arch/dev/pts
sudo umount /usr/local/arch/dev
sudo umount /usr/local/arch/proc
sudo umount /usr/local/arch/sys