Alias setup for dual boot on CR-48

In Ubuntu

navigate to home folder
ctrl+h
.bashrc
alias chromeos='sudo cgpt add -i 6 -P 0 -S 0 /dev/sda;sudo reboot'

In ChromeOS

sudo vim .profile
a (insert mode)
alias ubuntu='sudo cgpt add -i 6 -P 5 -S 1 /dev/sda;sudo reboot'
escape (command mode)
shift+z
shift+z
exit
enter

Upgraded ssd ChromeOS / Prepare for Ubuntu install

For use with a 40 gig Intel 310 msata 1.8" SodaCreek SSD

alt + ctrl + ->
chronos
sudo bash
umount /mnt/stateful_partition
cgpt add -i 1 -b 266240 -s 16777216 -l STATE /dev/sda
cgpt add -i 6 -b 17043456 -s 32768 -l KERN-C /dev/sda
cgpt add -i 7 -b 17076224 -s 52699136 -l ROOT-C /dev/sda

dd if=/dev/zero of=/dev/sda bs=131072 seek=1040 count=65536

Now you can use the easy install for Ubuntu 11.04, so reboot, let it do it's thing, and install it after it's done.

wget http://goo.gl/hnkxo; sudo sh hnkxo (under chronos, not root)

Once installed, log in to Ubuntu and

sudo resize2fs -p /dev/sda7

You are done, enjoy.