[SOLVED] Want to recover data from Encrypted partition (created by EXT3 Ubuntu 10.04)

shikhar623 · 10-11-2010, 06:38 AM

Hello friends,

I am facing a serious problem.I installed UBUNTU 10.04 and encrypted it during installation.
I accidentally erased some of the necessary files from root folder.
now the the OS is NOT booting.luckily i still have the encryption key
i have some important documents in that drive (desktop folder).
please help me to get those files, as i need them badly.

thank you,
Shikhar

PS: I have tried to run Live Ubuntu it shows the Root, but it does not enter any of the folder.

TB0ne · 10-11-2010, 08:05 AM

Quote:

Originally Posted by shikhar623

Hello friends,
I am facing a serious problem.I installed UBUNTU 10.04 and encrypted it during installation.
I accidentally erased some of the necessary files from root folder.
now the the OS is NOT booting.luckily i still have the encryption key i have some important documents in that drive (desktop folder).
please help me to get those files, as i need them badly.

PS: I have tried to run Live Ubuntu it shows the Root, but it does not enter any of the folder.

From Ubuntu forums.
https://help.ubuntu.com/8.04/install...d-volumes.html

After you get your files off, it would be a good idea to do a fresh load of the OS. Since you don't say what "necessary files" you erased, and since this was a fresh OS install, it's just easier to blow everything away and start fresh.

shikhar623 · 10-12-2010, 12:12 PM

Quote:

Originally Posted by TB0ne

From Ubuntu forums.
https://help.ubuntu.com/8.04/install...d-volumes.html

After you get your files off, it would be a good idea to do a fresh load of the OS. Since you don't say what "necessary files" you erased, and since this was a fresh OS install, it's just easier to blow everything away and start fresh.

can this be done after logging in as a live user?
thank you very much.

TB0ne · 10-12-2010, 12:41 PM

Quote:

Originally Posted by shikhar623

can this be done after logging in as a live user?
thank you very much.

Did you bother to read the link in the first post, where it tells you how to manually mount encrypted partitions after booting??

shikhar623 · 10-12-2010, 03:04 PM

Quote:

Originally Posted by TB0ne

Did you bother to read the link in the first post, where it tells you how to manually mount encrypted partitions after booting??

but i mentioned that my os is not booting.

TB0ne · 10-12-2010, 03:08 PM

Quote:

Originally Posted by shikhar623

but i mentioned that my os is not booting.

Right. And I gave you a link that told you how to mount your partitions manually.

So now if you boot the system as a "live user" (as you've said you can), you can MANUALLY MOUNT THE ENCRYPTED PARTITIONS, if you follow the directions.

shikhar623 · 10-12-2010, 03:37 PM

Quote:

Originally Posted by TB0ne

Right. And I gave you a link that told you how to mount your partitions manually.

So now if you boot the system as a "live user" (as you've said you can), you can MANUALLY MOUNT THE ENCRYPTED PARTITIONS, if you follow the directions.

you mean to say when I boot as live user it will ask me passphrase (as shown in the document)?

TB0ne · 10-12-2010, 08:26 PM

Quote:

Originally Posted by shikhar623

you mean to say when I boot as live user it will ask me passphrase (as shown in the document)?

No, that is NOT what's shown in the document. READ IT. When you boot, you have to load a module manually, then you will be able to proceed. If you can't follow the instructions on that page, then reload your system from scratch, and recover your data from backups. It doesn't get much simpler.

shikhar623 · 10-17-2010, 01:15 PM

Quote:

Originally Posted by TB0ne

No, that is NOT what's shown in the document. READ IT. When you boot, you have to load a module manually, then you will be able to proceed. If you can't follow the instructions on that page, then reload your system from scratch, and recover your data from backups. It doesn't get much simpler.

i did not create any backup disks. please can u explain a few steps where to begin from.i am a newbie..
thanks a lot..

TB0ne · 10-17-2010, 02:40 PM

Quote:

Originally Posted by shikhar623

i did not create any backup disks. please can u explain a few steps where to begin from.i am a newbie..
thanks a lot..

Sorry, I am not going to read the web link I provided to you line by line.

It doesn't get more step-by-step than that...there are, at most, 3 steps. Read them, follow them.

eSelix · 10-18-2010, 05:38 PM

If you have problems with instruction from link provided to you by TB0ne, write what you did already and where you stuck or what you don't understand.

shikhar623 · 10-19-2010, 11:15 AM

Quote:

Originally Posted by eSelix

If you have problems with instruction from link provided to you by TB0ne, write what you did already and where you stuck or what you don't understand.

i started the live CD and waited for the :

Quote:

Starting early crypto disks... part_crypt(starting)
Enter LUKS passphrase:

to appear , but started right away.
moreover, i am not able to find any module to be loaded manually as mentioned by TBOne.

eSelix · 10-20-2010, 03:53 AM

Skip this, go to "Troubleshooting" section. If you can't understand that, open terminal (from LiveCD) and write

Code:

fdisk -l

Show results here.

thorkelljarl · 10-20-2010, 12:56 PM

Not at boot, after boot...

I believe that what TB0one is referring to is the procedure under "Troubleshooting" halfway down the page in the Ubuntu Forum post.

If you read carefully, it says that, after you have booted the live-cd and it is running, you then should be able to mount the encrypted files/volumes with the correct password using the command "mount".

Try to get the live-cd up and running, and after that try to open the files. If you have a problem, post back exactly what you tried and what the results were.

http://www.linuxquestions.org/linux/...Ask_a_Question

shikhar623 · 10-21-2010, 05:49 AM

Quote:

Originally Posted by thorkelljarl

Not at boot, after boot...

I believe that what TB0one is referring to is the procedure under "Troubleshooting" halfway down the page in the Ubuntu Forum post.

If you read carefully, it says that, after you have booted the live-cd and it is running, you then should be able to mount the encrypted files/volumes with the correct password using the command "mount".

Try to get the live-cd up and running, and after that try to open the files. If you have a problem, post back exactly what you tried and what the results were.

http://www.linuxquestions.org/linux/...Ask_a_Question

I am not able to mount it directly by:

Quote:

sudo mount /dev/sda7

it gives an error.

Screenshot-1.jpg

I mounted the partition by first editing /etc/fstab file.
and inserting the line

Quote:

/dev/sda7 /media/sda7 ext4 defaults 0 0

Screenshot-2.jpg

now by entering command
sudo mount /dev/sda7
Screenshot-3.jpg

but it doesnot ask for any passphrase!
i am able to view all the file and folders.
the problem is whien i open USERNAME folder inside the HOME folder.

it gives the error "The folder contents could not be displayed.you donot have permissions necessary to view contents of __"
Attachment 4932