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

learn more… | top users | synonyms (1)

0
votes
1answer
6 views

Passphrase failed

I am using Ubuntu 14.04 but few weeks ago, it didn't accept my passphrase. I am sure I am putting it right. It contains special characters ))(( I tried to use live USB and the volume is shown as ...
0
votes
1answer
13 views

Can Luks Be Used To Encrypt an NTFS Partition in Ubuntu?

(And then Boot into Full Windows With Luks Running Silently In the Background) I have a client that is completely unable to use Linux, but I was thinking maybe there was a way to setup their computer ...
0
votes
1answer
21 views

Cannot create partition

I've recently installed Ubuntu to dual boot along side my Windows 7 installation, they're both installed on the same SSD which all seems to be working fine. I have another 3TB HHD which I use for ...
0
votes
0answers
24 views

Does my laptop have AES-NI support?

I have 64bit quad-core processor AMD A6-3420M APU in my HP g6 Pavilion laptop. Do you know whether my processor supports AES-NI, or how I could find that out? I am using Ubuntu 12.04 64bit version, ...
1
vote
0answers
33 views

grub2: sysmte restart after menu (nvidia, crypt)

I got a ThinkPad T410i and I installed Ubuntu 14.04.1. Grub is showing up but if I select any Ubuntu boot option the system does a reboot. My first search brought up to add nomodeset because of the ...
0
votes
0answers
5 views

Recovering settings from zombie hibernation

Ok this is weird. I have hibernation and full-disk encryption. It works fine for a long time. Then suddenly something weird happens today. Let's reconstruct the events as it happens: I have a ...
-1
votes
1answer
19 views

how to run private internet access software from /user/local

So I installed private internet access software in /user/local because it was not connecting to a server. I read that cause of encrypted home directory it wouldn't run, something to do with suid, ...
0
votes
0answers
24 views

Encrypting filesystems on 14.04

I recently installed Ubuntu 14.04.1 server on an HP ProLiant ML110 which had previously been running 12.04 and which has two additional hard disks containing data in an unencrypted form. I didn't ...
-1
votes
1answer
35 views

ecryptfs-setup-swap freezes

My computer started freezing with the message cryptswap not ready, and so i tried following this tutorial http://punygeek.blogspot.de/2012/10/ubuntu-1204-how-to-solve-disk-drive-for.html Everything ...
1
vote
0answers
24 views

Update GRUB with encrypted LVM on second volume/drive?

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
0
votes
1answer
14 views

Mount and access encrypted LVM on second drive

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
-1
votes
1answer
34 views

Hard disk decryption, forgotten key

I am using ubuntu14.04. During installation, I encrypted my hard disk. Now, I forgot my key and I have a lot of important data on my system that I want to recover. Is there a way to change my ...
0
votes
0answers
22 views

ssh-agent doesn't store passphrase between remote logins

I am trying to get my git repositories on my office computer to connect to my Bitbucket account via ssh. I've generated the key and uploaded the public key. I also did the following: eval $(ssh-agent ...
0
votes
1answer
60 views

14.10 - Swap not available

My swap doesn't seem to be working. I tried to fix it but nothing I tried worked. Here is some relevant information to troubleshoot the problem: During install I chose to encrypt my home folder. Seems ...
0
votes
1answer
17 views

Stuck in log-in loop, Ubuntu randomly crashes, Windows still boots first

I'd really appreciate it if someone could shed some light on 3 problems of mine: I tried to reset my forgotten account password using the "standard way" in this guide. However, when I enter the new ...
0
votes
0answers
17 views

How to recover documents from an HDD with Ubunutu 14.04 installed?

Not as simple as the question states. I will try and cut a long story straight...: Dell Latitude E6410 with Ubunutu 14.04 Installed. Motherboard crapped out on me. Luckily was able to be repaired ...
0
votes
2answers
43 views

Help needed to identify/remove randomly named “ghost” folder in home directory

So, I found a folder called "Yfmo_1BrUs" right in my home directory and I do not know how it got there (meaning which application created it). The name is weird but gives a clue that it was ...
0
votes
0answers
27 views

Encryption selected while installing Ubuntu but hard drive isn't encrypted

I have selected "encrypt new Ubuntu installation" on the Ubuntu 14.04 installer and typed in a passphrase setup. But after the installation was done my hard drive isn't encrypted. There is no ...
1
vote
0answers
23 views

Will adding and removing a trivially short LUKS key compromise security?

I am taking my computer into the shop and it would be practical to add a trivial password (such as "pass") so the person working on it can access the system if need be. I (sort of) understand that the ...
2
votes
0answers
61 views

Encrypted disk kernel warning - initramfs image won't boot

After an upgrade to 14.10 on my netbook, I can only manage to boot with the old kernel remaining from the previous 14.04 installation. For the most recent kernels, I get this warning when they are ...
1
vote
1answer
21 views

linux clone encrypted drive to smaller drive

I want to upgrade my laptop's drive with more speed, so I want to clone my current harddisk to an ssd. Unfortunately they're not the same size. I already found this question, but I'm unhappy with the ...
0
votes
1answer
27 views

14.04 automatic ssh sync tool needed(backup)

Currently I am using Ubuntu 14.04 and I would wish to make an automatic backup of my local drive to the university server. This server I can access to via ssh (no root rights). I am looking for a ...
0
votes
0answers
14 views

How can I encrypt Deja-Dup backups with a GPG public key?

Deja Dup, the default backup tool in Ubuntu, allows encryption of backups by means of a password. How can I encrypt my backups using my GPG public key? This Debian bug report requests this ...
0
votes
0answers
49 views

Problem using 'ecryptfs-unwrap-passphrase'

I have 2 laptops running Ubuntu 14.04. 1> The Toshiba supplies the mount passphrase when I run 'ecryptfs-unwrap-passphrase' 2> When I run 'ecryptfs-unwrap-passphrase' the HP does not supply ...
0
votes
0answers
19 views

Encrypted home mount for single session on Ubuntu?

I currently have Ubuntu 12.04 as my remote server and I have a purpose of keeping my important files on that server under encrypted home folder. I did this and it works; I send my files to the server ...
0
votes
0answers
29 views

Encrypted Windows 8.1 + Ubuntu 14 on separate SSDs

I've found many questions concerning dual booting Windows/Ubuntu on separate drives, but I'm not sure about doing it when the Windows 8.1 drive is encrypted with BitLocker. How would I go about ...
0
votes
0answers
17 views

mount.ecryptfs_private ALIAS feature

Situation: I have my $home on a hard drive which is full, bought a new one and about to use it. Gparted did it's thing and what I'd like to do is mounting this new drive (/dev/sdb1) as $home/newdrive. ...
0
votes
1answer
89 views

Can't resize /dev/sda2 extended partition with gparted live cd

I recently got a message while updating some programs that my /boot is full. I've been on other posts and everyone says delete files in /boot but I thought making it bigger seems more logical and ...
0
votes
1answer
69 views

Ubuntu 14.04.1 encrypt home directory

I am trying to encrypt the home directory of a user. I have found this guide on howtogeek. I have then tested the guide on a virtual machine with a fresh install of Ubuntu 14.04.1 (which had all the ...
0
votes
0answers
37 views

14.04 whole disk encryption can I have multiple passphrases or revoke a passphrase

Ubuntu 14.04 LTS with the whole disk encrypted: Is it possible to have multiple passphrases (1 per authorized employee) and to be able to revoke their passphrase when they leave the company ?
0
votes
0answers
11 views

How can I fully backup my fully encrypted disk before upgrading to Trusty from Precise?

My computer is currently running Precise, and using full disk encryption. I'm nervous that if there are any complications when upgrading to Trusty, I won't be able to revert due to my disk being ...
0
votes
0answers
20 views

Swap vanished after reboot

I have installed Kubuntu 14.04 with an encrypted home directory. Although I had swap set up during the install, the swap space was not there after installing. This has happened to many people, there ...
2
votes
2answers
53 views

passphrase/keyring management: 14.04 whole disk encryption

With 14.04 whole disk encryption can one add multiple passphrases and/or revoke them ?
0
votes
0answers
10 views

How To Remove Ubuntu's Passphrase(not user password) at boot? [duplicate]

I have a new computer, but my parents now are using my laptop. I installed Ubuntu on it a few months ago. They say that the boot passphrase takes too long. What could I do to remove it? I'm also ...
0
votes
1answer
114 views

Enable typing in passphrase textbox after Ubuntu reboot (14.10)

My Ubuntu VirtualBox VM upgraded itself two days ago to 14.10. Now whenever I reboot the text on the enter the passphrase screen is clipped on the edges and I cannot type at all in the textbox (using ...
1
vote
0answers
16 views

Entering an encrytion phrase through a serial port connection

I am building an Ubuntu 14.04 stand alone server, text install. I have rerouted the console through serial port /dev/ttyS0. During boot I am getting the full boot up display through the serial port. ...
1
vote
1answer
54 views

Ubuntu can't mount / format formerly TrueCrypt encrypted SD card which works on Windows 8

I have a 2GB SD card which I completely encrypted with TrueCrypt some time ago. However, I lost the key and there was no valuable data on it. Windows 8 formatted it to fat32 without any problems and ...
0
votes
1answer
22 views

Protect sensitive data on laptop

I planning to take my Ubuntu 14.10 laptop to the computer service for some cleanup. Should I care about my sensitive data safety? Is it possible to stole from system storage device: SSH keys ...
0
votes
1answer
41 views

Is there a way to encrypt the entire hard drive after you have already installed Ubuntu 14.04?

How would you go about encrypting your entire system drive after you already have installed Ubuntu? I have Ubuntu version 14.04 LTS and I am using a laptop so I would like to have my data encrypted.
0
votes
0answers
17 views

alternative of dmg for ubuntu (to password protect folders)

I used dmg files on Mac osx to password protect files. I can create a password protected zip file. But decompression is very long for big files. On other hand dmg are so fast in mounting. So is ...
0
votes
2answers
62 views

I can't open secured PDF in Ubuntu (open password), but can in Windows XP

I can open a certain PDF in Windows XP like any other, but I can't open the same PDF in Ubuntu because I get asked for "open password". In XP Foxit reader shows that the file is secured for all ...
0
votes
0answers
30 views

install with full disk encryption and a larger swap size

I have a laptop with 8GB RAM. When I install xubuntu and choose full disk encryption during the installer, it automatically creates an 8GB swap. I want to hibernate the computer, and if the RAM is ...
0
votes
0answers
13 views

Encrypting proboems

I forgot my encryption password and now cant acces my laptop. I have tried ising the console line to remove it, and the bootloader. The home folder is blocked by the encryption code. Is there a way to ...
0
votes
2answers
36 views

Create randomly encrypted swap when installing 14.04.1?

How do I create a randomly encrypted swap partition when doing a clean install of 14.04.1? This option was available in the text-based partman in 12.04, but I can't find it in the graphical partition ...
0
votes
0answers
28 views

How to convert 14.04 server to a fully encrypted disk

Just upgraded a server from 12.04 LTS to 14.04 LTS. How can I now encrypt the whole disk (as if this were a new installation) ? No GUI, so, from the command line. I searched askUbuntu and did not ...
0
votes
0answers
19 views

I lost /boot on thumb drive, can I reinstall it?

Here's the situation: I have two encrypted Ubuntu partitions on my desktop; / and swap. /boot was installed on a thumb drive that I managed to destroy whilst installing a new video card into my ...
1
vote
0answers
66 views

LUKS on software RAID not mounting on boot

I am trying to setup an encrypted disk using LUKS on a software RAID that was setup using mdadm on 14.04.1 LTS (GNU/Linux 3.8.13.26 armv7l) (Odroid U3). The problem is that the LUKS container is not ...
2
votes
0answers
92 views

How to restore a LUKS partition?

My /home partition disappeared on my main HDD. I changed SATA slots, then I got strange "no lvm available" errors during boot when usually the password would be entered (I do not have any lvm setup at ...
3
votes
3answers
2k views

Evolution Error: Cannot communicate securely with peer: no common encryption algorithm(s)

For two days now Evolution reports the following error when I try to connect to my university’s mail-server: imap.server.name:993« gescheitert: Cannot communicate securely with peer: no common ...
0
votes
0answers
135 views

How to recover encrypted LUKS lubuntu data?

I installed lubuntu 13.10 with encryption from the CD and then updated to 14.04 when it became available. Now booting up fails. My hard drive has at least two partitions, one boot and one LUKS ...