[Bug 1799550] Re: No way to encrypt at partition level (dual boot)

[Xavier Gnata]

Well actually I don't see how to achieve that with the *k*unbuntu installer.
I have created an encrypted partition
blkid /dev/sda7
/dev/sda7: UUID="c9deed35-610e-4328-b8e7-079e95d43f76" TYPE="crypto_LUKS" PARTLABEL="Linux" PARTUUID="13aac430-9701-4323-810d-53231decca9c (on which I installed kubuntu as described in the blog link).

I reboot on a kubuntu usb key.
The installer offers the "full disk" encryption option, which is not what I want.
Therefore I go for the "manual partitioning", but the installer sees the sda7 partition only as "unknown". If I format /dev/sda7 as ext4, I get an unencrypted ext4 partition and not a ext4 partition encrypted in an lvm.
Maybe I should open the luks container before I launch the installer?

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Title:
  No way to encrypt at partition level (dual boot)

Status in ubiquity package in Ubuntu:
  Triaged

Bug description:
  I'm using kubuntu alongside with windows in a dual boot, therefore I cannot use the full disk partition option. There is no option in the installer to get an encrypted kubuntu with windows (or any other OS) already installed on the same disk. There used to be an option to encrypt /home (up to 16.10 IIRC) but it does not exist anymore.
  I had to follow and adapt this tutorial http://blog.botux.fr/en/2015/09/ubuntu-installation-manual-full-disk-encryption-lvm-on-luks/ to get my encrypted kubuntu.
  Is it a bug in the installer or a missing (important, as security related) feature?

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