HOWTO: Full Disk encryption on Ubuntu 10.04

How to set up an entirely encrypted disk using Ubuntu 10.04 (LTS):

    Use the Alternative installer (text based) ISO image so that you have access to the LVM and Encrypted Disk options.
    Assuming you want to keep a windows partition or some other pre-existing partitions intact, you will have to manually partition things instead of using the guided partitioner, so select “manual”.

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