3.21. VeraCrypt disk encryption

Download then install Veracrypt:

1VERACRYPT_VERSION=1.25.9
2wget https://launchpad.net/veracrypt/trunk/${VERACRYPT_VERSION}/+download/veracrypt-${VERACRYPT_VERSION}-Ubuntu-$(lsb_release -rs)-amd64.deb -O /tmp/veracrypt-${VERACRYPT_VERSION}.deb
3sudo gdebi -n /tmp/veracrypt-${VERACRYPT_VERSION}.deb