ashamed to admit i know very little about encrypted filesystems so here's a fairly simple question -- from what i've read (briefly), it *seems* that eCryptfs is an improvement over LUKS. is that accurate? or are they equally viable technologies so that one could reasonably choose one or the other depending on the circumstances? put another way, i have to teach some basic encrypted filesystems as part of an admin course in january, and i'm wondering if i should cover both technologies, or simply the *better* one. at the moment, i suspect i should cover both, just to play it safe. rday