(my UUID was for /dev/sda6 which is the physical deviced used for /dev/mapper/crypt6…)Īdd an /etc/crypttab file with an entry to unencrypt and mount the LVM. Use the “sudo blkid” command to find the UUID’s of your physical partition used for encryption… You have to tell Linux to mount the encrypted filesystems upon bootup, so before you reboot for the first time at the end of the install, you need to tweak a few config files (inside the chrooted environment) as follows: “Something else” for the formatting options and use the “change” option to mount the swap and root and boot partitions appropriately and proceed with the install. I used the rest of the available space for the /root partition.Īt this point, I was able to go back into the Ubuntu installer and select Then we create the swap partition inside (I used 3G for 3 gigs) I used the name vgpool for my “volume group pool” but you could use any unique name. Then we set up LVM inside the encrypted partition with the following commands. You will be asked to re-enter the passphrase above… crypt6 is just a name I picked, you can pick any unique name here instead… Sudo cryptsetup luksOpen /dev/sda6 crypt6 You will have to type YES and enter a passphrase twice to encrypt your disk. (The directions below assume your encrypted partiton is /dev/sda6, change that as needed.)
Open a terminal and use the following commands to set up the volume with LUKS encryption, and then create sub-volumes of swap and root. Use gparted to create a “physical volume for encryption” Use gparted to create an ext4 /boot partition (I used 400 MB in size). Here is a log of what I had to do to get it working for me.
UNENCRYPT AND ROOT NEXTAB NX1610132S PSW MANUAL
You can still make it work, but have to do a lot of manual work using a terminal from the Live CD environment. However, if you want to dual boot (use some of the hard drive for Windows, and the rest for Linux) the automated installer won’t allow you to automagically use full disk encryption.
UNENCRYPT AND ROOT NEXTAB NX1610132S PSW INSTALL
The Ubuntu 16.04 installer has the option to install full disk encryption using LVM if you are erasing everything on the hard drive.
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