"FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols. Tokens can be added easily by scanning a QR code."
step-by-step on how to mount an encrypted and LVMed disk image.
"RAID5 isn't sufficient redundancy anymore, you need RAID6."
If you use Rudel on Debian testing/unstale/experimental, you'll notice it stopped working. This is my bug report and patch.