How do I correctly encrypt the entire partition when installing Ubuntu 12.10? I ask because the new Ubuntu installer now shows two encryption options.

After choosing "Encrypt the new Ubuntu installation for security", the "Encrypt my home folder" option is still offered later on. Do I need to check both options to have full encryption, or just the first option?

What will happen in each case?

  • @user68186 First of all, this question is asking for concrete advice on a practical problem: "how to correctly encrypt the entire partition." Second, questions about design decisions are not categorically off-topic for Ask Ubuntu. See this meta question. Since this asks for concrete information, the purpose of this question does not appear to be to report a bug, and a bug report written this way would not be appropriate, we should almost certainly not close this question. – Eliah Kagan Oct 20 '12 at 14:03

Canonical implemented this feature (full disk encryption) in Ubuntu installer edition from 12.10 because Alternate CDs are dropped. From QQ Alternate CD are no longer available.

"Encrypting full disk" stands for creating encrypted volumes (luks) and it uses full disk, not only /home folder. Encrypting full disk is more secure and with that option you can uncheck "Encrypt my home folder". There is no need to use two kinds of encryption. If you want just to encrypting your home folder (without encrypted / and swap partition) use only the second option.

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