j.witvl...@mindef.nl wrote:
-----Original Message-----
From: users-boun...@lists.fedoraproject.org
[mailto:users-boun...@lists.fedoraproject.org] On Behalf Of Fred Smith
Sent: Friday, June 28, 2013 3:42 PM
To: users@lists.fedoraproject.org
Subject: retrofitting LUKS encryption on installed system
I've got a F19 installation that I'd like to turn into a fully encrypted
system with LUKS.
There are many howtos on the web for encrypting a partition, but they
all show doing it to /home.
-----Original Message-----
No, just re-install.
One partition with /boot and another with an encrypted volume-group, holding /,
swap and the rest.
But before embarking on that trip, do you really need full disk encryption?
I mean, the content of /usr is on any fedora-cd ;-) And when up-and-running,
everything is unlocked.
The only valid reason I can think about, is that other people have physically
access to your machine and could get root-access by booting from cd/dvd, and
might alter your system.
If they have secret access they can install evil devices, but if you are
protecting against theft (laptops) or someone with a search warrant (NSA) comes
and takes your drives.
It surely works, but at a performance price. And the certainty that you have to
enter the LUKS-key each time you boot.
The only safe place to store password info is in your head. If one other person
has it it's not a secret, so you have to decide if losing the data is worse than
having someone else get it. That's a policy decision, on-technical.
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