Wanted to write up a quick HOWTO on how to encrypt an LVM disk on RHEL6. Linux Unified Key Setup or LUKS is one way to encrypt data at a block level, for a laptop or hard disk. If the laptop is lost or if the system is compromised, then as long as LUKS is used, then the data should be secure.
Again, there are a number of tutorials online that are either missing steps, aren't clear, or are not well explained. I wanted to writeup a step-by-step HOWTO that works with RHEL6, in a...