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Re: cryptsetup problem

On Sun, 08 Jun 2014 06:03:07 +1000
Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> wrote:

> Sometimes you want forensic backups.... like having a USB image
> that is /known/ to work for instance,

? AFAIK GRUB2 don't use the kernel LBA (opposite to LILO)
but only its name.

> rsnapshot doesn't compress [the backups], that might be the
> biggest plus -- it does use symlinks though.

I just had a look to the link I sent you (there's some times
I didn't installed BackupPC); I made a mistake: it is hardlinks
it uses.
And V.4 (although tagged alpha, but without any update from
2013/12:), uses a very different backup system, allowing
super fast restores.

> Yes, but I still prefer /dev/random for more real random, even if
> it blocks.  In my case, I am using /dev/random for the crypt
> master keys now -- but /dev/urandom should be just as good here as
> well ... still, my preference is for /better/ random ;-)

Oops, I wasn't thinking about keys but HD filling.

FTR, haveged gives you a reservoir of entropy based upon

Kouros_9: Can somebody teach me how to be a pirate? 
Hiruma 91: Easy
Hiruma 91: You'll need
Hiruma 91: A wooden leg, a parrot, a crew
Hiruma 91: And optionally an eye patch
Hiruma 91: and of course a boat OR a spaceship

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