Ubuntu Security :: Move To Encrypted Home Directory Not Losing Data?

Jul 20, 2011

I am running ubuntu 11.04 I'd like to encrypt my home folder. - how can it be done, without creating new user/starting from scratch. -I'd like to keep all the files and desktop settings - the only change should be that the folder is encrypted now.

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Ubuntu Security :: Move Home Folder To Encrypted Partition?

Apr 11, 2010

What are the steps I must take to move my existing home folder to a separate, encrypted partition? Can I create this partition without damaging my current partition? Where is a trusted location to download App Armor profiles? What else can I do to harden the security of Ubuntu?

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Ubuntu :: Open The Data It Was The Old Encrypted Home Directory?

Jun 7, 2010

my CPU passed away, got a new system, installed a new 9.04 and blew it up to studio. have 2 new disks and my old raid 0 lvm. mounted is ( lvdisplay) , user rights fixed fine. I do have my old login name and passwd in a book. How can I open the data it was the old encrypted home directory. I have an icon "Acess your private Data" and something called link to Acess Your private data. There I can read link (broken) so the broke link is sorted out, as i do have now a directory in my home with the same name as it has been, /home/coconews/ and that is fine

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Ubuntu Security :: Home Folder - Reading Data Encrypted With Old Version

May 17, 2010

If I wanted to transfer a home folder that was encrypted to another ubuntu computer could I? If I had a separate home partition that was encrypted, but I wanted to upgrade ubuntu to the latest version by doing a clean install is there an easy way so that I can still read the data encrypted with the old version?

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Ubuntu Security :: Disabling Filename Encryption On An Encrypted Home Directory?

Jan 3, 2010

Not using filename encryption when you create a new encrypted folder is easy, but how to disable it in the home encryption that is automatically set up by the Karmic installation CD?

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Security :: Change Login Passphrase (to Unlock Encrypted Home Directory)

Nov 21, 2010

I just installed the testing version of Debian with the option to setup encrypted home directories. I used a passphrase that I now want to change to something else. How do I do that?

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Ubuntu Security :: Get Data From Another User's Home Directory?

Aug 23, 2011

I had a student, and she has done some work on her account on my lab computer, but has left the country and is un-contactable.

I have full administrator privileges for this machine, and it is running Ubuntu LTS 10.04

She has a folder which was copied from a windows formatted external hard drive (Probably NTFS) onto her home partition on my machine.

I can open all of her files, except for those in this folder.

As I see it the problem is either something to do with the permissions of the files (coming from NTFS), or some kind of Ubuntu security that I am unaware of?

Here are my attempts to open it code...

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Ubuntu :: Cannot Mount Unencrypted Directory To Encrypted Home Directory With Fstab

Aug 26, 2010

I have Ubuntu Karmic. I chose to install with an encrypted home directory. Recently I got a warning that I only had 2GB of drive space left. This is mostly because of my videos. So I went and bought a new hard drive and partitioned it and made 1 ext4 partition and copied my videos all to the new hard drive. I added a line in my fstab to mount the new hard drive to ~/videos, but when I reboot the computer, there is a screen saying something like "error mounting /home/me/videos, press S to skip or something else to reboot". If I press S to skip, then when my system comes up there is a video directory but it's empty because my other hard drive didn't get mounted. I can run sudo mount /dev/sdb video/ and it will mount fine and I can see all my videos, so why can't fstab mount it? Does this have something to do with my encrypted home directory?

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Ubuntu :: Recover Data From Encrypted Home?

Jun 14, 2011

so, after long time of succesfull use of kubuntu, i encountered a 1st major disaster yesterday while using kphotoalbum. It has somehow frozen my machine in so mighty way, that it apparently corrupted a directory with majority of my pictures , which now appears to be empty .My home lies on a separate partition, its encrypted aand using btrfs and I am using kubuntu 10.10. So, could anyone give me some clues how to unencrypt my home partition, that i could obtain an image of partition or whatever else usable for photorec to check for pictures?

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Ubuntu :: Extract Data From Encrypted Home Partition Without Booting It?

Jul 17, 2010

Around six months ago (last time I reinstalled Ubuntu 9.10), on a whim I decided to check that option to "encrypt [my] home directory". I wanted to see what it was like. Mistake. Since then, I've been unable to figure out how to access the data in my home directory using any method besides booting the computer (usb drive, rip-out-and-stick-it-in-an-enclosure, etc.). Specifically, I find that shell script sitting there that tells you to run it in order to see your files, but it gives some kind of error. I also still have the code Ubuntu tells you to write down in order to decrypt your files.

Fast forward to this past week. I brought in the laptop to Best Buy for repairs to the hinge (the hinge! Ace Hardware could fix this problem! But I wanted to make full use of the service plan.), and I got a phone call a few days later, saying that it hit Best Buy's "No Lemon" policy. They were going to keep my computer and give me in-store credit toward a new one. Of course, I refused to pay ~$70 for them to back up my data for me; what could possibly happen to it when they were fixing a hardware problem?

Anyways, I pleaded with them for my hard drive back, and they said that they could ship the hard drive back to the store so I could get my data off of it. I'm planning on going in there with my external backup hard drive and an external enclosure and doing it myself at the counter (If they charge $70 to back up a Windows partition, how much more will they charge for an encrypted Linux one?). I don't want to embarrass myself by standing around and not being able to get into my own data.

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Ubuntu :: Trying To Rebuild Encrypted Home Directory

May 21, 2010

I ran fsck on the wrong partition (which was mounted) and in my haste blew up the file system on that partition. Now here's the kicker, I had 450Gb of data and documents on that partition that was in an encrypted home directory. So the long and the short of it I ran fsck again and I was able to recover all the files, and they are now residing on a Lost+Found folder on my hard drive.I have located the encrypted files, but I don't know what to do with them.

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Ubuntu Installation :: Can't Access The Encrypted Home Directory

Apr 21, 2010

I tried upgrading to 10.04, and now when it boots it just goes into a grub2 terminal and doesn't display a boot menu. I tried re-installing grub2 from the live cd, but that didn't do anything. I figured if I've hosed the last install I'll install from scratch, but I can't even access my files from the live cd! I did a bit of searching and everyone seems to just encrypt ~/Private, whereas I've encrypted the whole home directory. So much for security... In the live cd, it has a readme.txt and says to type "ecryptfs-mount-private" to access the files, but it just gives the error "ERROR: Encrypted private directory is not setup properly". What do I do?

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Ubuntu :: Add Separate Drive To(encrypted) Home Directory?

Jun 18, 2010

Ubuntu 10.04 (64)I have a second drive (currently mounted as /disk2).I want my home directory (/home/jb) to include this second disk as JUST a separate 'folder' accessible from my home area.want the data on the second disk to be encrypted, (just like my /home/jb folder is now).I would prefer to 'blend' the second drive into my existing setup.I'm looking for the safest way to achieve this, don't mind editing fstab etc. or getting my hands dirty on the cli.

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General :: Why Is Home Directory Encrypted And Inaccessible

Jul 7, 2011

I installed Ubuntu Server because I want to learn Linux and I want to learn about servers. I did a newbie tutorial and then shut down. When I booted up today, the files in my home directory were replaced by Access-your-private-data.desktop and readme.txt, but I have no idea why. I followed the instructions in readme.txt and typed ecryptfs-mount-private. It told me

INFO: Your private directory has been mounted.
INFO: To see this change in your current shell:
cd /home/rmob

But if I do ls /home/rmob, it still shows me Access-your-private-data.desktop and readme.txt instead of the files I created there yesterday. Every time I reboot, it tells me

keyctl_search: Required key not available
Perhaps try the interactive 'ecryptfs-mount-private'

If I try ecryptfs-mount-private again, it still tells me it has mounted it, but still just shows me those same two files. Googling about this tells me this means the directory got encrypted somehow. I tried typing touch ~/.ecryptfs/auto-mount which I found in this tutorial, but it didn't make a difference and I can't find any other solution anywhere.

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Ubuntu Security :: Encrypted Home On Karmic

Mar 15, 2010

During the installation of Ubuntu Karmic, I picked the option that encrypts my home directory.

A few questions:

(1) Shortly after installation, I was asked to run a command to print a key necessary for data recovery from a rescue CD. I didn't run it at the time and am now looking for the command to run. What is it?

(2) I think I read somewhere that this also encrypts swap. Great. Correct me if that's wrong.

(3) If I suspend the machine, is my home directory encrypted? That is, if I have this on a laptop and travel with the suspended laptop and someone steals it, are my data safe, or not?

(4) I assume the weakest point in the system is my relatively short login password (but I think the install tests it and found it okay). Is there a recommendation how long this should be?

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Ubuntu :: Upgrade To 10.04 - Encrypted Home Directory Access Lost

Nov 7, 2010

Apparently after an upgrade, I lost access to my encrypted home directory. Looks like upgrade scripts changed the scripts that mounted my encrypted home directory. As I don't have my ecryptfs password handy, is there any way to revert the things back as they were? I have liked Ubuntu all the way but after this upgrade-mess-up, I might change my view.

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Ubuntu Installation :: Gain Access To Encrypted /home Directory?

Jun 6, 2011

I had errors pop up when I tried updating my 10.10 to 11.04 so I ended up having to do it from a Live USB which installs it over everything (fine by me).Unfortunately I forgot I had an encrypted /home directory. So various messages and stuff came up when I tried to log in.nfortunately I don't remember what my encryption passphrase is offhand, so I moved it to a slightly different folder name and had to have a new directory created for my username.It's still there, but how can I try to open it trying the various versions of the passphrase I think it may be? Can I double-click it and try?Also, in the future what is the best way to handle a "fresh" install that I want to connect to my encrypted /home directory?

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OpenSUSE Install :: Migrating The Encrypted Home-directory?

Oct 5, 2010

I am trying to open an encrypted home directory from opensuse 11.2 with opensuse 11.3. This means i have a user.img and a user.key So far i have done:

losetup /dev/loop3 user.img
cryptsetup luksOpen /dev/loop3 home
Enter passphrase for /dev/loop3:

No key available with this passphrase. At this point it will not accept my passphrase.

A luksDump reveals:

cryptsetup luksDump /dev/loop3
LUKS header information for /dev/loop3

[code]....

When i try to use the key file, i get:

cryptsetup luksOpen /dev/loop3 home --key-file home.key No key available with this passphrase.

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OpenSUSE Install :: Setting Up An Encrypted Home Directory?

Dec 12, 2010

I am having a problem setting up an encrypted home directory with openSUSE 11.3. I used Yast User and Group Management to edit an existing user to encrypt the home directory and the user.key and user.img files were created in the /home directory. I tried it out and logged in as user and created a new file. I logged out and logged in as a different user and was able to see the newly created file in the first users home directory.

I figured I did something wrong so I went back to Yast and deleted the user. I deleted the /home/user directory using file manager su mode. I tried again to create a new user with an encrypted home directory using Yast and now when Yast tries to write the changes I get an error: "pam_mount is already setup for user. Use --replace to replace the
existing entry." I do not know how to proceed from here except to try with a different user name as I do not understand what the error message means and what command to use --replace with.

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Ubuntu :: Cannot Move Mysql Data Directory

Nov 6, 2010

Ubuntu 10.04. I've tried every method I can find and none work. Here's what I know...

1. My /etc/my.cnf is ignored. I can even delete it and phpmyadmin continues to work as it did before.

2. If I move /var/lib/mysql and replace it with a new directory (chowned to mysql:mysql so it looks like it's got the same ownership & permissions as the original) I get a write permission problem, e.g.

Quote:

What I ultimately want to do is used existing database files on a FAT32 partition but I can't even get to first base.

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Ubuntu :: Move The /home Directory To A Different Location?

Jun 29, 2010

I would like to move the /home directory to a different location, there only seem to be guides on how to move it to it's own partition.

I have a drive (/dev/sda5) mounted as /media/data

I would like to move /home to /media/data/home?

I have tried usermod but get the following error:

Code:
test@TestServer:/media/data$ sudo mkdir /media/data/home
test@TestServer:/media/data$ ls
home lost+found
test@TestServer:/media/data$ sudo usermod -dm /media/data/home
usermod: user '/media/data/home' does not exist

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Ubuntu :: Unable To Move Home Directory

Dec 28, 2010

Ubuntu 10.10 32 bit/ and /storage are on two different partitions. I want to move my home directory to the /storage partition, so I went to System -> Administration -> Users and Groups then Advanced Settings then the Advanced tab. I changed Home Directory from /home/billy to /storage/home/billy. I click on ok and I'm asked if I want to copy all the user's files over to the new location or start fresh. I click, Copy Files. It acts like it's doing something, but all it does is create the home/billy directories inside /storage, but it never copies files over and the next time I go to /home/billy it's still in the old location. What the heck is the deal?

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Ubuntu :: Move M /home Directory To New Partition?

Jun 22, 2011

How do you do this without breaking all the links and preferences in /home? Does the system take care of everything? Has anyone done it or is it actually system crippling?

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Ubuntu Security :: Encrypted Home Folder And DropBox

Mar 9, 2010

I just installed 9.10 on my laptop and selected the option for home folder encryption. I am running DropBox and placed the DropBox folder on my desktop (meaning it should be encrypted when I am logged out.) So I have two questions:
1) Shouldn't this setup cause my DropBox files on the server to be encrypted? Apparently they are not because they appear as unencrypted text using the DropBox Web interface.
2) If they were encrypted on the server (which doesn't appear to be the case right now), how would it be possible to share them with another client unless the encryption on both clients were set up identically?

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Ubuntu Security :: How To Recover Encrypted Home Partition

Apr 26, 2010

While setting up my laptop on a new hard drive (a bad mobo caused writes which pretty much rendered teh old hdd unusable) I was asked if I wanted to encrypt my home partition.

I've been wanting this for several years - even going as far as trying to get a copy of CheckPoint. That's waht my organization uses on all Wintendo laptops and is required.

In any case, I said "yes" and am happily using my laptop with an encrypted home partition. I'm assuming based on this - [URL] - that it is using EncryptFS as the scheme.

if I were to misplace my laptop, how easy would it be for a forensics team to retrieve my data. Let's assume I have a fairly strong passphrase, such as BisZumBitterenEnd3. [URL]

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Ubuntu Security :: Recover Encrypted Home Partition?

May 3, 2010

I had some major problems after the recent Ubuntu upgrade and had to boot from a live cd. I have a separate /home partition, but it was encrypted using the default install encryption in the 9.10 install cd. How can I get to my files so I can back them up?

I have tried this but it did not work: http://ubuntuforums.org/showthread.php?t=1337693

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Ubuntu Security :: Loop Hole In Encrypted Home?

Jun 11, 2010

I'm using 10.04 with encrypted home dir. I think the behavior below is wrong:

I can log in as root and change user's password. After that the user can log in using new password, which is normal, but it can also decrypt its home dir using the new password, which is dangerous. Assume I lost my computer. This encrypted home dir will not protect my private data because whoever gets the computer can boot it up with a livecd and chroot to change my user's password and then boot up my system and log in using new password.

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Ubuntu Security :: Recovering Encrypted Home Folder?

Jul 19, 2010

Let's begin from the top. I have a relatively new laptop that I've been running Ubuntu on (along with a little-used Windows boot). Picked it up in November or so, installed the current "latest" version of Ubuntu at the time (9.10). I have been doing incremental upgrades, and it's been progressively breaking down more and more. Yes, this includes 10.04.

After GRUB stopped working, I decided it was time to try a reinstall from the top. I told it to leave all the other operating systems alone and do a full reinstall.

Fortunately, I had managed to stuff most of my current work in duplicate locations during this whole debacle, somehow. Don't ask me how I managed to do that when GRUB wasn't working. However, when I installed, I conscientiously said "Oh, yes, Ubuntu, encrypt my home folder! I love privacy!" As a result, about... 30 gigabytes of useful (but ultimately re-downloadable) material is rather inaccessible at the moment. When I try to boot the old system using the newly fixed GRUB, it goes into kernel panic. This seems like a no-go.

I have a saved hojillion-character long passphrase for decryption from my install back in November. Conscientiously saved in the case of just such an emergency.

I read this how-to and followed it to the letter as far as I could tell, trying to mount with ecrytfs to recover my data.

[USERNAME] here is a proxy for my actual username. Yes, the location of my old home folder may seem a little bizarre.

Code:
sudo mount -t ecryptfs /media/c82ca9fe-2b15-4aca-a98d-6482b1d80a32/home/[USERNAME]/ /home/[USERNAME]/oldhome
Passphrase:
Select cipher:
1) aes: blocksize = 16; min keysize = 16; max keysize = 32 (not loaded)

[Code].....

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Ubuntu Security :: Different PWD For Login And Mounting Encrypted /home

Nov 13, 2010

I've just reinstalled my box with an encrypted home (used the encrypt home option when installing). I have a query in this regard - suppose I lose the box. Won't it be possible for someone to drop into root, reset my passwd and then access my /home. Is there anyway of having a different passwd for accessing /home? My ~ is on a different partition from /.

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Ubuntu Security :: Recovering Data From Corrupt Encrypted Partition

Feb 25, 2010

I have recently recovered from an HDD failure on my Drobo. One of the disks died and corrupted the entire array (which is not supposed to happen). I have since managed to copy the data off onto smaller disks and after replacing the failed drive, have copied everything back.

Now that im up and running again, i was wondering how this situation would play out on encrypted disks, or in the case of a drobo a large encrypted partition (as you cannot encrypt the entire array).

Would i still be able to recover the data if i were to encrypt it? It is a 4.2TB array, and i assume that I would need to copy the data in its entirety to recover it, so using multiple smaller disks would be out of the question right?

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