Ron Blizzard wrote, On 07/30/2010 05:16 PM: > On Fri, Jul 30, 2010 at 8:33 AM, Todd Denniston > <Todd.Denniston at tsb.cranrdte.navy.mil> wrote: > >> Best use for LVM I have seen... >> Reducing the number of times you need to enter the LUKS pass phrase to once per boot, i.e., one LUKS >> containing an LVM of / and Swap so that the system can boot with one entry of the pass phrase and if >> you then have other partitions, such as an independent /home, /etc/crypttab can be used (with >> appropriately constructed and protected cryptpassphrase files). > > At this point I don't even know what a LUKS pass phrase is -- is this > something I'm liable to run into on a home desktop computer? > Depends on how much you value not letting other folks at your data, with out your permission after you have properly powered down the machine. :) LUKS is used with encrypted partitions/filesystems. I have only used it at the partition level. It is most easily setup at install time, because anaconda gets the incantations correct for you. Suggested further reading: http://wiki.centos.org/HowTos/EncryptedFilesystem http://wiki.centos.org/TipsAndTricks/EncryptedFilesystem/Scripts http://en.wikipedia.org/wiki/Linux_Unified_Key_Setup -- Todd Denniston Crane Division, Naval Surface Warfare Center (NSWC Crane) Harnessing the Power of Technology for the Warfighter