Ubuntu

Full disk encryption

Asked by john_es

I was going to encrypt my Ubuntu 8.10 machien using the following guide:

http://74.125.47.132/search?q=cache:T4va1G_-HIgJ:mazeoflies.com/articles/2008/06/09/ubuntu-hard-drive-encryption-with-external-key+http://mazeoflies.com/articles/2008/06/09/ubuntu-hard-drive-encryption-with-external-key&hl=en&ct=clnk&cd=1&gl=us

1.) Is this the best way to go for full disk encryption? Reason I ask is that there does not seem to be a definitive guide as to how to do this.
2.) Is there a way to encrypt the entire disk without wiping the entire drive first like this guide shows?
3.) Is there a way to setup the machine so that there is a dummy password that allows someone to login but not access the encrypted machine?

Thanks....
John

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Raybuntu (raybuntu) said : 		#1

Hi John,

1) In my opinion the best way to encrypt your hole system is during installation.

2.) No, you have to backup your data and create the partiotions you need. There for I guess it's the best way to make a clean install with the alternate install cd. There you can encrypt your whole system easily.

3.) That would be a security problem. I guess the best way would be to make 2 different Ubuntu installations on different partitions so you could choose them with grub.

best regards
Ray

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