Tagged Questions

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

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0
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2answers
212 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 ...
0
votes
2answers
119 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 ...
0
votes
0answers
310 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 ...
0
votes
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 ...
1
vote
0answers
220 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
votes
1answer
38 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 ...
1
vote
0answers
129 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 ...
0
votes
0answers
290 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 ...
1
vote
1answer
540 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
votes
1answer
95 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 ...
0
votes
1answer
87 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 ...
0
votes
2answers
119 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 ...
0
votes
0answers
121 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: ...
1
vote
1answer
549 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
votes
2answers
558 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 ...
3
votes
4answers
3k 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 ...
0
votes
0answers
87 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 ...
0
votes
1answer
575 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 ...
1
vote
0answers
75 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?
0
votes
1answer
91 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 ...
3
votes
1answer
7k 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 ...
1
vote
0answers
78 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 ...
0
votes
0answers
235 views

Install Ubuntu 14.04 besides already existing Ubuntu 12.04 with encrypted home

Currently I have Ubuntu 12.04 with encrypted home (extra partition) installed on my Notebook. Now I would like to install 14.04 on my SSD (also inside my Notebook). Will 14.04 recognize my encrypted ...
1
vote
0answers
142 views

/dev/mapper/cryptswap1 is not ready yet or not present

I get this error whenever I start my Lubuntu 13.10 installation: /dev/mapper/cryptswap1 is not ready yet or not present It asks me, if I want to skip, manually repair, or wait. I chose the option; ...
0
votes
1answer
174 views

Cannot decrypt hardrive. Password not accepted

I have been tackling this for at least 5 days now. Initially I couldn't get Ubuntu to recognise my already installed partition LVM with an Arch, Home, and Swap logical volume. I have now got Ubuntu ...
0
votes
0answers
154 views

How to fully encryped ubuntu on the Beaglebone Black

... or at least access LUKS partitions from a unencrypted system. In the past my BBB crashed during file copying on encryted SDHC that actually did mount. In the later versions from ...
0
votes
1answer
327 views

How to Tell if Network Traffic is Encrypted

I'm using a program called LottaNZB to connect to a Usenet server. I've connected to the SSL port, but I'd like to check it's actually connected. How can this be done? I've used Wireshark, but I ...
7
votes
3answers
138 views

Is there a way to test if I will be able to login again?

I messed up with my files... Again... Now I am concerned if I will be able to login again once I logout. Is there a way to test if the essentials files are all there? My home was encrypted during ...
0
votes
0answers
37 views

Ubuntu update overwrote MBR, but did it make backup?

I had Ubuntu 12.04 (32-bit) with Windows 7 working with multiboot setup on computer with McAfee Endpoint Encryption. Only Windows 7 partition was encrypted together with MEE bootloader being on MBR. I ...
8
votes
2answers
225 views

How could one really get sensitive information from a swap partition?

When I google this question, I only get all sort of information on how to protect sensitive data, how to encrypt swap, and how "dangerous" could be to keep a "normal" swap in a linux system. But I ...
0
votes
1answer
63 views

ssh key login to vps woes

I recently created a vps for web hosting purposes. Everything was going fine until I decided that it's time to add another account and disable root authentication. I added a new user to the sudoers ...
0
votes
0answers
20 views

Different behavior of 2 encrypted LVMs

recently i created ext4 on top of luks on top of lvm. about 20gb. i also have similar configuration (900gb) created long time ago - i don't remember how exactly i created it. both are not mounted on ...
0
votes
0answers
13 views

I want to lock my folder with password in Ubuntu 12.04. [duplicate]

I want to lock my folder with password in Ubuntu 12.04. Is there any software for folder lock? Please suggest me how can i make this thing. Thanks in advance
2
votes
1answer
1k views

Dual Boot Ubuntu full disk encrypted but Windows untouched

I have been dual booting Ubuntu and Windows 7 for a while now. In the past, I have used the "encrypt home folder" option to add (some) security to my installation (ie. now no one can easily steal my ...
0
votes
0answers
43 views

When using automated preseed installation, is there a way to change the IV Algorithm for crypto?

When using the default encryption algorithm (preseed or manual), I get an error An error occurred while configuring encrypted volumes. The configuration has been aborted. But changing the IV ...
2
votes
1answer
85 views

Encrypted Home folder is still accessible with another distro

I partitioned an HDD in to four, the biggest of them being the HOME directory. This drive was encrypted during xubuntu installation and worked perfectly fine. I then booted from another ubuntu live CD ...
0
votes
0answers
146 views

cryptsetup-encrypted disks failing after restart (mb solved?)

I am using cryptsetup/luks (ETA: On 12.04) to encrypt partitions on external hard drives. Several times now, I've had disks fail to mount after an apparently normal restart (often a kernel upgrade, ...
0
votes
1answer
104 views

How to recover encrypted Home with only login password?

Until data wasn't lost I could login and use OS as normal and access my home folder without entering any passphrase because it was automounted at login. Now I want to access my home folder just by ...
0
votes
0answers
39 views

full disk asymmetric encryption

Wondering if there's a protocol and open source program for full-disk, asymmetric encryption. Something like, encrypting the keys into the start of the disk (using AES/something stronger) and then ...
0
votes
0answers
267 views

Cannot access LUKS encrypted USB key anymore

I have a got a huge problem with my LUKS decrypted USB key. I was using it normally until two days ago. Then I wanted to save something and I got an error message that the key is in read only mode. I ...
0
votes
1answer
302 views

How do I DISABLE home directory encryption during Ubuntu 12.04 installation?

When attempting to install Ubuntu 12.04 from a CD, there is an option displayed for "Encrypt my home folder". The option is checked (enabled) by default, but it is grayed out, so it is impossible to ...
2
votes
1answer
69 views

Encrypted Lock Screens?

I really like the disk encryption to secure my funds, but my problem is I practically never have my computer off. I live a very busy life and shutting it down totally every night is entirely ...
0
votes
1answer
37 views

Could my partition setup on my Hitachi Travelstar be causing SMART spinup problems?

I just purchased a refurb Samsung laptop for my girlfriend with a 500gb Hitachi Travelstar. I partitioned it and installed Win 7 (for required work related programs for her) / and 12.04 LTS (for ...
1
vote
0answers
555 views

Unlocking Encrypted Root (LUKS on LVM) with “hidden” USB Keyfile

I have a Ubuntu Server 13.10 machine. Its root partition is encrypted with LUKS, which is then stored in a logical volume. On boot, the LV is mounted and then cryptsetup requests my passphrase; once ...
1
vote
1answer
107 views

Can I decrypt my hard drive from the GRUB command line? [closed]

I recently installed Ubuntu 13.10 onto a PC, and ticked the 'encrypt my drive' option during setup. Now I can't enter my encryption key on PC startup. I can use the keyboard to control the BIOS, and ...
1
vote
1answer
121 views

How to check my home directory is encrypted in Ubuntu 12.04

I am using XUbuntu 12.04 and I want to be sure my home directory is encrypted. I have .ecryptfs in my home directory and other positive signs of encryption and had selected it during installation. But ...
1
vote
1answer
30 views

12.04 to 13.10 Can it remove encryption?

I installed Ubuntu 12.04 on my primary computer, and I absentmindedly selected "encypt home directory" I read a few methods to de-encrypt it, but they didn't work so well (And seemed overly ...
0
votes
1answer
325 views

cant play certain dvd's on ubuntu/mint

I have followed every instruction imaginable but still cannot get "certain" (disney is one culprit) dvd's to play on my mint/ubuntu setup - they play perfectly on a windows 7 laptop I have tried vlc ...
27
votes
5answers
3k views

encrypting text editor

Is there an encrypting text editor for ubuntu? In other words, the text editor, preferably GUI capable, should always save an encrypted file and always prompt for the password to re-open the file. ...
2
votes
0answers
38 views

How to remove encryption from volume during installation

I'm currently in the process of installing Ubuntu Server 12.04 onto a fresh build. I have two 3TB hard drives that I'd like to run in software RAID 1, and was following this tutorial. During ...