Re: Encrypted fs in file

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And regarding 1):

You might want to use dd for that and /dev/urandom. (Or use /dev/zero and then zero out the inner device before creating the filesystem).

Regards

-Sven


Am 03.04.2016 um 10:41 schrieb Matthias Schniedermeyer:
On 03.04.2016 00:07, doark@xxxxxxxx wrote:
Hello,
I wanted to make certain that I got this process right since I've never
done it before and I can't seem to find docs on the subject.

1. Cat /dev/zero into a new file till it is big enough.
2. Use cryptsetup on the file (format and open).
3. Use mkfs on the loop device.
4. Mount the loop device as if it were a block device.

Does this look correct to you?

Nearly.

3) Not the loop device, but the dm-device, the loop it inbetween and is
handled automatically.

A symlink for the dm-device appears in /dev/mapper/ with the name you
provided for the open command.

Same for 4) You mount the dm-device




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