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The installation program on Ubuntu desktop is pretty basic. It lacks the other features, like support for LVM, RAID, and full disk encryption, that the Ubuntu text installer edition has. By default, it creates just one partition onto which it installs everything.
Full disk encryption and LVM configuration in Ubuntu’s graphical installer showed that two very important features that were missing in Ubiquity, the installation program of Ubuntu Desktop, will finally be incorporated into the version that will ship in Ubuntu 12.10.
Well, it looks like from Ubuntu 12.10, due in late October, Ubiquity will have support for full disk encryption and LVM. The test build that I installed in a virtual machine shows that the implementation is still in the early stages, but it also shows how easy it will be to configure both features when the final release hits the digital shelves.
Disk encryption is one method you may use to enhance the physical security rating of your computer. From my experience, it is rarely used, which is a shame because it is one of the most effective safeguards against unauthorized physical access to data stored on a computer.
Ubuntu 7.10 had introduced support for install-time encryption to provide a fully encrypted LVM. However, this feature was only available through Ubuntu's alternate CD installer and not Ubiquity, Ubuntu's popular LiveCD installer. We had hoped the disk encryption support would be added in Ubuntu 8.04 and then later Ubuntu 8.10, but that never occurred.
Advanced or manual disk partitioning is available for those that want to create a custom set of partitions for installing Ubuntu 11.04. For whatever reason or reasons you choose to use the advanced disk partitioning tool, this article gives a step by step guide, with detailed explanations, on how to do it.
Another howto by me concerning encryption. However this one will be pretty intense on graphics. I have a step-by-step guide on how to do a manual full encryption of the system. Due to a bug current in the ubuntu installation, you cannot encrypt the swap partition directly during the manual install. The install will just hang.
One of those applications, is the installer. While I will not necessarily describe it as an “excellent application”, it is one of the very few graphical installation programs with support for disk encryption, which is a very important feature to have and configure if you want to boost the physical security profile of your computer.
Semi-manual LVM disk partitioning guide for Fedora 18 provides a step-by-step guide on how to customize the disk space allocated to the root logical volume, so that it gets just enough disk space required for the life of the installation.