Michael Halcrow wrote the following on 09/06/2007 06:12 PM:
On Thu, Sep 06, 2007 at 05:48:39PM +0200, Stefan Farestam wrote:
I just installed ecryptfs on my Ubuntu powered laptop and have
observed a few oddities. However, to make it easier to follow up, I
will split the issues into several postings. I would also like to
add that despite the problems that I've observed I'm already getting
more mileage out of ecryptfs than encfs, which I used previously;
thunderbird runs much faster when dealing with 1GB+ mailfiles
residing in an encrypted directory!
Doing all the crypto natively in the kernel helps a lot with
performance.
First out is the fact that the encrypted file system is always
mounted with the flags "noexec,nosuid,nodev". The "noexec" flag in
particular is problematic since I keep some executable files in the
encrypted directory.
Is this a feature/restriction with encryptfs or could the behavior
be due to my system setup?
eCryptfs aims to be fully POSIX-compliant, so you should be able to do
anything with files under eCryptfs that you would under any other
filesystem.
Ok. Good.
The noexec flag being set probably has something to do
with your specific distribution; I develop and test SLES, RHEL,
Fedora, and Gentoo, and their utilities do not set this flag by
default.
Ok. Any guess as to what I need to change /update in my distro to get
this working? I use a stock kernel from kernel.org instead of the one
supplied by Ubuntu.
Thanks,
Stefan
Mike
--
Stefan Farestam
Mobile: +46 70 649 6838
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