This article covers how you can build a secure, encrypted mini-server on a Raspberry Pi device using VeraCrypt and LXD containers step-by-step assuming you already have a working device with (a Debian-based) operating system installed.
This post will cover how you can create a relatively safe, Windows 7 - Ubuntu dualboot system where Windows partition is encrypted with the free and opensource DiskCryptor program. Since Microsoft does not provide BitLocker on Windows 7 Professional our choice is this 3rd party software.