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Ubuntu / Void Linux Install script for Full Disk Encryption

completed full-disk-encryption script ubuntu2204 void-linux

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README.md

Kaiten-yaki : Yet another Full Disk Encryption for GRUB/Linux

Helpful scripts of the full disk encryption for the Linux distribution

This is a script correction to help the installation of Linux distribution with the full disc encryption. Followings are the list of functionality.

Ubuntu and Void Linux.
Install from LiveCD/USB.
Use GUI installer, for the ease of installation.
Automatic detection of BIOS/EFI firmware and create MBR/GPT, respectively.
Support to install multiple distributions in a LUKS partition.
The "/boot" is located in the same logical volume with the "/".
The swap logical volume is located inside encrypted volume.
You need to type a passphrase only once in the boot sequence.

With the configuration parameters, you can customize each installation. For example, you can configure the system to have 2, 3 or 4,... distributions in a HDD/SSD, as you want.

Following is the HDD/SSD partitioning plan of these scripts ( In case of BIOS, the disk has MBR and doesn't have EFI partition, while it is depicted here).

The logical volume size of each Linux distribution (LVROOTSIZE) can be customized from a configuration parameter. Also, the swap volume size is customizable.

As depicted the LVM volume group has only one physical volume.

Test environment

These scripts are tested with following environment.

VMWare Workstation 15.5.7 ( EFI/BIOS )
Ubuntu 20.04.2 amd64 desktop
Ubuntu Mate 20.04.2 amd64 desktop
void-live-x86_64-20210218-mate.iso
void-live-x86_64-musl-20210218-mate.iso

Preparation

Start the PC with the LiveCD/LiveUSB of the distribution to install. Download this repository from github, and expand it.

Installation

Go to script directory and follow the procedure in the INSTALL.md

Known issues

If you install two ore more Void Linux in to the EFI system, only the last one can boot without trouble. This is not the problem of Kaiten-yaki.

Acknowledgments

These scripts are based on the script shared on the myn's diary. That page contains rich information, hint and techniques around the encrypted volume and Ubiquity installer.