Lab 10.1
Hi,
I have been pulling my hair out trying to get this to work correctly during the last 2 days!
Everything in Lab 10.1 works fine until the reboot at the end and it then all falls apart.
Admittedly, I changed the encrypted directory from being on the root directory to being a directory off my home directory. Should that make a difference?
Problem symptoms:
I get prompted 3 times (!) to enter the encryption passphrase on boot.
Along with the passphrase prompt I get the following message:
"The disk drive for /home//.secret is not ready yet or not present. Continue to wait. Press S to skip mounting or M for manual recovery."
After entering the passphrase three times as prompted I am obliged to Press S to skip mount and continue boot.
Does anyone have any bright ideas about how to solve this?
Diagnostic information:
:~$ cat /etc/crypttab
/dev/mapper/secret-disk /dev/sda11 none luks
:~$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
#
UUID=0288dc9a-30c5-4a83-ace9-c8c93318a798 / ext4 errors=remount-ro 0 1
/dev/mapper/secret-disk /home//.secret ext4 defaults 0 2
UUID=86064e89-1272-4937-9092-ee51b1b6a8d5 none swap sw 0 0
UUID=697d8f2a-4d77-4a4c-b48a-a90a525e31b1 /var/lib/transmission-daemon/downloads ext4 defaults 0 1
:~$ ll /dev/sda*
brw-rw---- 1 root disk 8, 0 apr 23 10:38 /dev/sda
brw-rw---- 1 root disk 8, 1 apr 23 10:38 /dev/sda1
brw-rw---- 1 root disk 8, 10 apr 23 10:38 /dev/sda10
brw-rw---- 1 root disk 8, 11 apr 23 10:41 /dev/sda11
brw-rw---- 1 root disk 8, 2 apr 23 10:38 /dev/sda2
brw-rw---- 1 root disk 8, 3 apr 23 10:38 /dev/sda3
brw-rw---- 1 root disk 8, 4 apr 23 10:38 /dev/sda4
brw-rw---- 1 root disk 8, 5 apr 23 10:38 /dev/sda5
brw-rw---- 1 root disk 8, 6 apr 23 10:38 /dev/sda6
brw-rw---- 1 root disk 8, 7 apr 23 10:38 /dev/sda7
brw-rw---- 1 root disk 8, 8 apr 23 10:38 /dev/sda8
brw-rw---- 1 root disk 8, 9 apr 23 10:38 /dev/sda9
:~$ ll /home/ | grep .secret
drwxrwxr-x 2 4096 apr 23 10:17 .secret/
Comments
-
1) your /etc/crypttab line looks wrong. You have two device nodes instead of something like
secret-disk /dev/sda4
as in the lab solution.
2) I assume in your /etc/fstab you put in a real username instead of <username>
3) I assume /home/yourname/.secret exists as a directory (usually empty)0 -
Hi Jerry,
I edited /etc/crypttab as suggested and its working.
I did take a look at the Ubuntu crypttab manpage
I don't know why the following was not clear...
The first field, target, describes the mapped device name. It must be a
plain file name without any directory components. A mapped device which
encrypts/decrypts data to/from the source device will be created at
/dev/mapper/target by cryptsetup.
...but I do remember being indignant that a target would come before a source in the configuration parameters. For as long as I can remember source has always come before target. I am probably being a pompous old fart but this seems to be the equivalent of bad grammar.
Anyway, thanks for you assistance.0
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