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Re: encrypted partition question




On Thu, Sep 4, 2008 at 2:48 PM, Andrea Bicciolo <a.bicciolo@mtouch.it> wrote:
Alexander,

a far as I know the mapping should be recreated each time you reboot using /sbin/cryptsetup. We are using luks extension and at each reboot we need to issue cryptsetup luksOpen </dev/name> <mappername>.

/etc/crypttab should make the use of this command unecessary. The passphrase will then be asked at boot time.

Cheers,
Cassiano Leal

P.S.: Please, do not top post on the list. tx
 


Then we can mount /dev/mapper/mappername.

Hope this help,
Andrea

Alexander Golovin ha scritto:

 I was trying to encrypt my ext3 partition /dev/hda6, that's what I did:

1. I've added modules: aes, dm_mod, dm_crypt, to /etc/modules
2. Created the cryptographic device mapper: cryptsetup -y create crypt /dev/hda6 (entered passphrase twice)
3. Changed this options: echo "crypt /dev/hda6" >> /etc/crypttab; echo "/dev/mapper/crypt /mnt/crypt ext3 defaults 0 1" >> /etc/fstab
4. Created mount directory; mkdir /mnt/crypt
5. Created a filesystem on the mapped device: mkfs.ext3 /dev/mapper/crypt
 So, when I've tryied to mount /mnt/crypto It was mounted without passphrase question, but it was mounted. But , after reboot I've tried to mount my partition, and that what I have now:
# mount /mnt/crypt/
mount: special device /dev/mapper/crypt does not exist

And I don't have a crypt file in /dev/mapper/ directory.



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