Ubuntu Security :: Decrypt The Home Directory If That Were The Goal?

Nov 30, 2010

lets say I install Ubuntu 10.10 on my laptop. I check the box that says encrypt my home directory, and my password is a randomly generated 10 character password using uppercase and lowercase letters and numbers. The next day my laptop gets stolen or something. How hard would it be for someone to decrypt the home directory if that were the goal?

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Debian :: Setup A Script To Automatically Decrypt Home Directory On Login?

Mar 5, 2011

Other than my encrypted home directory, I am all set to switch from ubuntu to Debian.Is it sufficient to install ecryptfs-utils or do I need to setup a script or something similar for it to automatically decrypt my home directory on login?

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Ubuntu Security :: Terminal Command To Tell Encfs To Not Decrypt Home Folder When I Log In?

Mar 21, 2010

Is there a way for my home folder to not be automatically mounted when i log in? And for that matter a way to change the password from my log in password to something else?

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General :: Change Directory Upwards To Specified Goal

Jun 1, 2010

I'm often deep inside a directory tree, moving upwards and downwards to perform various tasks. Is there anything more efficient than going 'cd ../../../..'?I was thinking something along the lines of this: If I'm in /foo/bar/baz/qux/quux/corge/grault and want to go to /foo/bar/baz, I want to do something like 'cdto baz'. I can write some bash script for this, but I'd first like to know if it already exists in some form.

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General :: End Goal - Administrator/security/investigator Specializing In Forensics?

Nov 19, 2010

newbie changing to Linux, but not comps.as I said in newbie forum, putting them together since mid 80's w/5150's. that said most exp is old dos command line and commodore 64 basic. our economy here in USA causes change for many of us. I am now reading CompTIA study guide for Linux+ certification by Robb H. Tracy, pro Linux administration by James Turnbull,Peter Lieverdink, and Dennis Matotek. I have downloaded and installed PcLinuxOs, Fedora, SuSe.(three separate disks) have Linux Mint, Ubuntu, on cd. I also have Helix, DEFT, FIRE, FCCU, and Live Forensics Toolkit for Windows. because of pending legislation in our state and current or pending in others, taking classes@community college for private investigator. end goal?: Linux Systems Administrator/security/private investigator specializing in forensics?as I learn I'll probably install a server version on 1 of my drives and ask some of you to use it to work with/hack me/give me help in general.

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Ubuntu :: Decrypt Encrypted Home Folder?

Nov 15, 2010

How to decrypt encrypted home folder?Which is already encrypted ?

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Ubuntu :: How To Permanently Decrypt Home Folder

May 23, 2011

I chose the option to encrypt my home folder during installation, but I don't want it encrypted anymore since that makes it impossible to access any files in my home folder unless I'm logged in as that user.

I'm really hoping to avoid reinstalling from scratch just to fix this. Anyone know how to do it?

BTW, it's Ubuntu Server 11.04 32-bit.

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Red Hat / Fedora :: Decrypt An Entire /home Drive In 12KDE?

Mar 15, 2010

how to decrypt an entire /home drive in Fedora12KDE?

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Ubuntu Security :: Can Encrypt Home Directory After Installed The OS

Apr 10, 2010

I recently installed Ubuntu Linux and did not encrypt the home directory during the install. Now I want to encrypt my home directory, or even better the whole hard drive.

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Ubuntu Security :: 10.04 Installed - Home Directory Not Decrypting

May 5, 2010

I have a major major issue with an encrypted /home directory. I had used encryption on my home directory when I installed 9.10. However, I had not noticed that I needed to store the automatically generated passphrase anywhere. Now, upon installing 10.04, my home directory would not decrypt. I checked my .encryptfs directory and the wrapped-passphrase file is GONE. I only have the Private.sig files from my 9.10 installation and of course know the login password I binded to the passphrase. I can see my .Private directory with filenames starting with ECRYPTFS_FNEC_ENCRYPTED. Now, my PhD thesis which I have to deliver in 2 weeks is in there. With no backups. How to recover my data. If no 'normal' method would work, is it possible to use a brute force attack and feed it my login password?

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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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General :: How Can I Make Debian Encrypt And Decrypt My Home Folder

Jul 25, 2010

How can I make Debian encrypt and decrypt my home folder when I log in/out like Ubuntu does?

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Ubuntu Security :: Permission Denied When Copy Home Directory?

May 22, 2011

Running Ubuntu 10.04 I logged into (sudo?) (root?) using:

Code:
sudo -s
and then entering my password.

I navigated into the home folder and viewed the long listing of it's contents using:

Code:
root@host:~# cd /home; ls -l
total 4
drwxr-xr-x 65 uname uname 4096 2011-05-22 17:14 uname

[Code]...

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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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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 :: .aes256 Decrypt Using Openssl?

Dec 10, 2010

i have a encrypted file using .aes256. I'm trying to decrypt but it fails. This is the command i used

Quote: openssl enc -d -aes256 -in insurance.aes256 > /media/DATA/out.dec And here's the error:Quote: enter aes-256-cbc decryption password: bad decrypt13930:error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt:evp_enc.c:330:

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Security :: Unable To Decrypt Data?

May 6, 2010

I need to be able to decrypt data, like simple text files, that have been encrypted and base64 encoded with my public key.I need to use openssl so i do:

Code:
$cat encrypted | openssl enc -base64 -d > ./answer.txt

and i get exactly the same data as before the command was run. Am i right in thinking that i need to decode before decrypting? I tried decrypting, before i realized that i had to decode first,using this command:

[Code]...

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General :: Testing Home Directory Scripts By Setting $HOME To The Location Of The Test Directory

Apr 20, 2010

I have an interdependent collection of scripts in my ~/bin directory as well as a developed ~/.vim directory and some other libraries and such in other subdirectories. I've been versioning all of this using git, and have realized that it would be potentially very easy and useful to do development and testing of new and existing scripts, vim plugins, etc. using a cloned repo, and then pull the working code into my actual home directory with a merge.

The easiest way to do this would seem to be to just change & export $HOME, eg

cd ~/testing; git clone ~ home
export HOME=~/testing/home
cd ~
screen -S testing-home
# start vim, write/revise plugins, edit scripts, etc.
# test revisions

However since I've never tried this before I'm concerned that some programs, environment variables, etc., may end up using my actual home directory instead of the exported one. Is this a viable strategy? Are there just a few outliers that I should be careful about?

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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 :: Small Portable Encrypt/decrypt Programme ?

Mar 31, 2011

I was wondering if any free, small, portable, cross platform programme exists for encrypting/decrpyitng simple txt files?

I know a couple of small ones for windows systems (nosee, dscrypt) but i wonder if there is any i could use on both linux and windows OS. the idea is to be able to carry it on USB key and the programme (or probably there will have to be 2 versions of it) would run either on windows or linux os and i could decrypt and encrypt the file if i needed to. no matter on what system i plug the USB key to.

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Security :: Setup Vi To Automatically Encrypt/decrypt .pgp And .asc Files

Dec 17, 2010

I'm trying to setup vi to automatically encrypt/decrypt .pgp and .asc files. The encryption part works. If I "vi testfile.gpg" it will auto encrypt it on save.

However when I try and vi the encrypted file it does not prompt me for my pass phrase. I just get this:

Quote:

Here's what I have in my ~/.vimrc file.

Quote:

This is on gentoo linux if it makes any difference.

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Ubuntu Security :: Cross Platform File Encrypt/decrypt Software?

Feb 15, 2010

I want to be able to encrypt files on my netbook with Ubuntu 9.04 UNR and on my MacBook (Mac OS 10.6.2) and be able to exchange them and decrypt them on the other platform.The Ubuntu command Edit>Encrypt is so easy to use but works only on the netbook. I haven't, thus far, found a program to open them on the Mac or to create an encrypted file on the Mac that I can open on the netbook.

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Security :: Changing Home Directory Permission In User Management After User Created In Suse(KDE)?

Feb 2, 2011

created a user but i forgot to change the home directory permission.so after user created when i go to the user and group mangement i cant see that permission filed related to the home permission directory.my purpose is to stop accessing other user to my home directory,how it can be possible??

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Ubuntu Security :: Ecryptfs Doesn't Auto-decrypt With Auto-login

Jan 6, 2011

I recently installed 32bit maverick and wanted to make it login automatically. I tried enabling auto login from Admin > Login but that didnt work and I was still prompted for my password. Then I went to Users & Groups and changed the password option to Do Not ask for password at login now after I reboot, the user list is shown (only 1 user) and it doesnt ask for password after I click on my username.

However, then it gives a few errors (as i vaguely recall):

1. cannot load .ICE directory in my home directory
2. some error 256 about a gconf-sanity-2 file
3. nautilus cannot load my home directory etc

and then it gets stuck without loading anything (blank wallpaper). i ve tried navigating to my home directory using Alt F2, gksudo nautilus and my home dir contents are encrypted by the ecryptfs (there is a readme.txt file and a shortcut). i have tried to decrypt but it doesnt work... i ve also tried to start/stop gdm, and startx but nothing works. if i stop gdm, then the prompt doesnt recognize my password and keeps on rejecting the commands i enter... I think this has something to do with the home dir not being decrypted due to the dont ask for paswd option... how can i disable the dont ask for pwd without the gui (i can access my / by booting through an external usb).

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Ubuntu :: Home Folder Icons Don't Update When Change The Home Directory

Sep 22, 2010

I have a dual-boot macbook with an OS X partition and an ubuntu partition. When I first installed ubuntu, I changed my home folder to my OS X home directory to synchronize all my files from both. My home directory is now /media/sda2/Users/username/. In a regular home folder, the icons for Documents, Music, Pictures, Movies, etc. are different (not just with emblems, but actually different icons). But when I changed my home folder, these subfolders' icons stayed the same as regular folder icons and I can't figure out a way to change that default setting. I know how to change the icons for each folder manually, but these changes don't appear everywhere (i.e. nautilus, places, etc). Furthermore, every time I change my icon theme, I would have to manually reassign icons for these folders. Is there a way to globally change the folder icons for these folders?

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Ubuntu Servers :: Set Home Directory Path Different From LDAP's Home?

May 24, 2011

I need to specify a different path to home directories on a particular server than what LDAP contains for the users, besides using a symlink. E.g. "/Users/jdoe" vs "/home/jdoe" I don't want to change the actual LDAP attributes, just want a particular server to point them in the right direction (Ubuntu 10.04).

I'm assuming it's something I could probably set in pam configurations?

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Fedora :: Using SSH - Could Not Chdir To Home Directory /home/adahaj: Permission Denied

Jul 21, 2009

I have a strange problem when I do SSH to a FEDORA9 based Linux Server.

[Code]....

When I login using "adah" username in TELNET I am automatically directed to my home directory at location "/media/disk-1/home/adah". But when I use SSH to login using the same username I get the following message Code: Could not chdir to home directory /home/adahaj: Permission denied

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General :: 'Could Not Chdir To Home Directory /home/[user]: Permission Denied'

Jan 6, 2010

I have a secondary disk which holds a /home directory structure from a previous install of Linux. I installed a new version on a new primary drive and mounted this secondary drive as the new /home. Problem is, even though the users are the same names and I can access the home directories for the users, I cannot login directly to their home directories, as I get the following error: -

Code:

login as: [me]
[me]@[machine]'s password:
Last login: Wed Jan 6 18:34:33 2010 from [machine]
Could not chdir to home directory /home/[me]: Permission denied
[[me]@[machine] /]$

Now, since the usernames are correct and the users are in the passwd file with the correct home directory paths, could it be user ID's that are different or something else? It's not as though I cannot access the home directories for the users, simply that I cannot log directly into them from a login prompt.

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General ::anything Special About Home Directory Before Users' Home Directories Are Stored There

Jun 19, 2010

Is there anything special about a home directory before users' home directories are stored there, or is just as typical as any other "empty" folder?Let me just cut to the chase, but please no ear ringing about the folly of messing around as root, particularly with directories at root level. I know it's considered stupidity, but I deleted my home directory.

Is there an easy way to restore a working home directory? I tried copying /etc/skel under root, but I'm not sure what a home directory should look like once it has been restored. Besides . & .., there were .screenrc & .xsession in my home directory when I copied /etc/skel. Are these files suppose to be in "/home" or "/home/~" or both?

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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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