[ubuntu] Encrypted home partition with chrubuntu?

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http://ubuntuforums.org – I was thinking of buying a Chromebook and installing Chrubuntu on it as a cheap laptop if I go travelling later in the year. The question I have is whether it's possible to encrypt the Ubuntu partitions when installing on the Chromebook? This is fairly important since if the thing gets stolen I don't want personal data exposed to the thief. (Hardware)