[CoLoCo] "advanced" encryption?

[Andrew]

Hey, i just had a quick question about something that interested me. I was
wondering if there was a way (preferably easy) to encrypt a linux partition
(either home partition, or the whole default ubuntu install), and to set up
either grub or something to search a USB drive for a file with the password.
The idea was to have an encrypted system, and to just put in a usb drive on
boot, so it would automatically log in, but in a theoretical emergency you
could destroy the usb drive. (of course you would have a backup buried
somewhere safe). Not that I'm planning on using this idea anytime soon, it
just interested me.




-Andrew
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