Questions about encryption such as home folder encryption, partition encryption and file encryption.

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Ubuntu does not start after update - cannot recover data [duplicate]

I recently updated my notebook system to Ubuntu 14.04 and facing the following issue: 1) on startup: the system starts, I can input my encryption password for the harddrive, but then before getting to ...
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0answers
177 views

Auto-mount usb drive on chromebook to use with dropbox

I have replaced Chrome OS on my Acer C720 with Ubuntu 14.04, so far I'm quite happy besides the limited local storage capasity. To remedy this I have bought a 32 GB USB Drive (SanDisk Cruzer Fit) and ...
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1answer
148 views

Preseed Ubuntu installation with full disk encryption

I am trying to set up Ubuntu full disk encryption using preseeding. I was able to set things up correctly following the preseed file presented here. But I do not want to provide the default password ...
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1answer
49 views

Where does dm crypt keeps crypt list?

If we enable encryption via cryptsetup tool on linux. Where does it keeps the crypt list/ encryption disk sector information etc ? Is it resides inside the LUKS header or device mapper kernel itself ...
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0answers
60 views

Error in decrypting WEP-encrypted .pcap file

I got a pcap file containing captured WEP packets, and a WEP key to decrypt it. I tried using both Wireshark and airdecap-ng to decrypt the packet. The key is correct, so the decryption was done ...
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0answers
62 views

Hibernation causes reboot

I'm running LXDE, when I try choosing "Hibernate" from the power menu I get a GDBus.Error.org.freedesktop.DBus.Error.AccessDenied: Operation not permitted error. To see whether the "underlying ...
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3answers
220 views

No Swap Partition!

I'm in dire need of help. My system has become incredibly laggy and hardly usable. I have realised that this is because for some reason I'm running without virtual memory (this is not intentional). ...
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0answers
1k views

Ubuntu 14.04 Manual Hard Drive Partitioning Help Needed

I'm in need of some assistance with manual partitioning from the Ubuntu 14.04 install GUI. I'm trying to do a fresh install of Ubuntu 14.04 desktop. I have a 60GB SSD as that I want all my OS files ...
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0answers
486 views

Disk encryption with Lubuntu?

I am thinking of installing Lubuntu 14.04 on top of my current Ubuntu 14.04 installation. I have (and for professional reasons, require) full-disk encryption, so I have been researching this before ...
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0answers
213 views

Swap partition on SSD with full encryption

I installed ubuntu 14.04 on my laptops SSD with full encryption enabled on installation and I just realized, that the installer created a swap partition. swapon shows me Filename Type ...
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1answer
4k views

Xubuntu 14.04 - full-disk encryption and LVM during installation?

Does Xubuntu 14.04 also support full-disk encryption and LVM during installation like Ubuntu?
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1answer
71 views

Encryption of hard disk [closed]

Is it possible to encrypt the hard disk without formatting in ubuntu. if yes so,please tell me with full description.
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1answer
448 views

Can I recover a Bitlocker-encrypted disk without the key?

I have encrypted an external drive using Bitlocker on windows 7, I have lost the recovery key and since upgraded my PC with a new motherboard and processor. i have tried everything imaginable to ...
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0answers
30 views

Recovering the Encryption Password Method

my question is that i am installing the ubuntu 12.04 and gave the encryption password at the time of installation but i forget the encryption password so how to recover or change the password without ...
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1answer
124 views

Will encrypting hard drive encrypt “deleted” data

When a file is "deleted" it is not truely deleted, of course. I was on windows 8.1. Anyway, I accidentally screwed something up which led to more screw-ups which led to an unbootable hard drive and ...
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0answers
61 views

T440s Stops Booting into GRUB after a random period of time

I have a new Thinkpad T440s. Here are my specifications: Intel 4600U 12GB (4GB integrated, 8GB stick) DDR3 1600 Samsung 840 SSD 250GB Sandisk SSD 16GB This problem has been a real brain buster as I ...
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0answers
56 views

Can I set a 'nuke' password for an encrypted secondary drive?

I have an encrypted 2TB HDD, and I would like to be able to enter a password at the decrypt step of mounting it, that will render the drive un-decryptable. I have seen a few article online about this ...
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0answers
28 views

Which manual installer settings do I have to chose?

I have 2 physical HDDs in my notebook. On the first, Windows and a fresh Ubuntu 14.04 installation should reside, while the second HDD should extend the home directory of a second user account (which ...
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1answer
657 views

HowTo repair GRUB in trible boot with two encrypted LVM?

I setup Win7/DebianTesting/Ubuntu 12.04 as triple boot, Debian and Ubuntu each on encrypted volume (with separate root and swap partitions). Installation order: Win7 --> Debian --> Ubuntu, Grub was ...
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1answer
76 views

How to generate a strong key for SSH encryption?

I recently setup my first Ubuntu server, it's 14.04, and I'm trying to secure SSH. I've googled around for numerous guides and there are many good ones that go into great detail about how to setup a ...
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0answers
48 views

How to modify sda5_crypt login page?

I want to make changes to this page on my crypto login page What I want is to make it all a blank black page. Nothing to show but still I want to write password. What file do I need to modify?
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0answers
59 views

Security and Encryption

I would like to know if there is any way to encrypt an entire directory without having to compact it first in one file. For example: aescrypt -e -p "password" "file" Using the command above I can ...
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1answer
611 views

Cannot uninstall TrueCrypt

I installed TrueCrypt from their website (.tar.gz file) extracted through the archive manager to /usr/share/truecrypt. I no longer need the app but I cannot uninstall it through sudo apt-get remove ...
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2answers
2k views

Encrypted Swap Partition for 14.04

How can I produce an encrypted Swap Partition for 14.04 ? All the advices I saw here are for versions <14.04 and do not work for me. I tried a lot but nothing lasted longer than a reboot. Is there ...
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1answer
66 views

How to move a program from a partition to another one?

I'm new to Linux and Ubuntu, so sorry in advance if this is a noob question, but I don't know how to solve this situation. I've installed Virtual Box on Ubuntu, and I've also installed Truecrypt ...
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4answers
5k views

Swap not working on clean 14.04 install using encrypted home

Update 3: I decided to reinstall the system from scratch to remove any old cruft lying around since I had been experiencing some other issues after the upgrade aswell. Howver, this issue persisted. ...
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3answers
2k views

14.04 with FDE and swap is missing

Helo I have a fresh install of 14.04 on a laptop with an SSD hard drive. When installing I turned on Full Disk Encryption as well as encryption of home folder. Partitioning was left to the ...
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2answers
260 views

Encrypt: Overwrite empty disk space bad for SSD drives?

I am installing Ubuntu 14.04 and got the choices of: Encrypt the new Ubuntu installation for Security Use LVM with the new Ubuntu installation If I select Encrypt and go to next step, I ...
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2answers
128 views

is a strong linux login password needed with full disk encryption with a strong password?

I'm using full disk encryption, that is easily done using recent ubuntu installation images. I have a very strong password that I type in on boot to unlock the encrypted disk partitions. Is a strong ...
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0answers
377 views

How to make luks partition auto-mounted at start-up?

What I have: 1st HDD (/dev/sda) with luks crypt partition (/dev/sda5) with LVM in it (/dev/mapper/sda5_crypt). LVM contains system root (/dev/mapper/TS1--vg-root) and swap ...
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0answers
23 views

I want reverse the encryption of my data.

When I first installed Ubuntu, I chose for EVERYTHING to be encrypted. Now that I did it I regret it because every time I turn on my computer it asks for the password so it can boot and it gets ...
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0answers
228 views

BusyBox: dropping to build-in shell: initramfs problem with encrypted hard drive

I tried to do an upgrade from 13.10 to 14.04 on my laptop. When I came back a bit later, the machine had crashed. I restarted it and it had got in a pickle halfway through the upgrade process. I did ...
0
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1answer
41 views

apache private key encryption

I have a web server with SSL, and I was wondering if encrypting the private key on the disk ( -des3 flag when creating it) was really useful, or if setting permissions to 400 on it was enough? (If ...
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0answers
139 views

Open multiple LUKS partitions at boot

I have a setup where I have 4 LUKS partitions that need to be mounted at boot time in order to assemble a RAID10 btrfs partition holding the root partition of my system. I was able to finalize the ...
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0answers
327 views

How to install ubuntu to a already encrypted partiton without formatting it in 14.04

Ubuntu killed the alternative installer buuuuuuh!! I am not sure but I think this was possible before with it. As far as I understand it the installer actually recreates a encrypted volume even if ...
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1answer
629 views

Full disk encryption vs home folder encryption

What is the difference between home folder encryption and full disk encryption that we find in the Ubuntu versions ? Which one of them is more secure ? Using them both could make my laptop more safe ? ...
4
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1answer
104 views

Open several vim-encrypted files with the same password

Let's say I have three files in the same folder, a.txt, b.txt and c.txt, all of them encrypted (with Vim) with the same password ("asdf" for example). Is there a way to open the three of them entering ...
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1answer
90 views

Have encrypted my disk and need swap space

I have just installed xubuntu 14.04 and elected to do the encryption (not the full disk, just the ubuntu part and my home dir). I realized however that I failed to create any swap space. When I run ...
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2answers
133 views

Problem facing while installing TrueCrypt

I downloaded the .tar.gz of TrueCrypt and extracted it. As per instructions, on clicking on the file 'truecrypt-7.1a-setup-x64' we should get a window that asks us to run the setup. But when I open ...
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0answers
139 views

How to open an encrypted USB on other Ubuntu box

I encrypted a USB flash drive on my Ubuntu laptop and want to open it on my house desktop which also uses Ubuntu. When I try to open it I receive the following error: Error unlocking /dev/sdb1: ...
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1answer
647 views

how to unlock hard disk?

I have just installed Ubuntu 14.04 all my 500GB HDD as in one drive. I cleared all the data on HDD while installing. But while starting OS, it asks to enter passphrase. With the USB I used to install ...
8
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2answers
686 views

How to ensure that wireless Logitech keyboard is encrypted?

Just as the title says, I'm using a wireless Logitech keyboard, and I want to ensure that my keystrokes are in fact encrypted. On Windows, I could do that very easily by using the Logitech SetPoint ...
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4answers
4k views

Mount LUKS encrypted hard drive at boot

I have Xubuntu 14.04 on a SSD device (the HOME was encrypted correctly during intallation), additionally I have a HDD with a encrypted partition with extra data which I would like to mount in ...
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0answers
99 views

How to fix messed up password screen when using full disk encryption (caused by nvidia driver)

When using full disk encryption in ubuntu 14.04 a password is always required when the computer is started. This screen looked nice until I installed the proprietary Nvidia driver. How can I fix ...
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1answer
587 views

Unable to access fresh installation of 14.04 with full disk encryption

I decided to attempt a full disk encryption on the 2nd computer where I'm installing 14.04. It's a fresh installation. It used to contain a 12.04 version, but I opted for the "Erase disk and install ...
2
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0answers
138 views

full disc encryption with SSD

I'm about to reinstall Ubuntu onto my laptop. If I use full encryption, which I desire, how will this impact performance of the SSD and FSTRIM? Will I still be able to use it or will it be ...
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0answers
76 views

Disable home encryption in Xubuntu

I chose full encryption and home encryption during install and now want to disable the latter. How do I do this in Xubuntu?
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1answer
124 views

Issue with encrypted lvm during setup

How can i access a different form of partitioning, like in old alternate cd's or debian's installer, where i can choose to create a partition, make it encrypted, then add a LVM group to that encrypted ...
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1answer
8k views

Install Ubuntu Desktop on Software RAID 1 (mirror) with encryption

I used to use Ubuntu 12.04 Alternate installer to setup my old RAID1 + encryption system. With the new LTS 14.04 (beta 2) I found the alternate installer missing which complicates installation on a ...
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0answers
80 views

Only HTTPS sites are opening

After updating my Ubuntu 13.10 on 14 April 2014, I am not able to access HTTP sites while HTTPS sites are working perfectly both in Firefox and Chrome. My OpenSSL is built on: Mon Apr 7 20:33:19 UTC ...