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

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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 ...
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1answer
141 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 ...
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0answers
147 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 ...
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3answers
934 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 ...
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1answer
69 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 ...
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0answers
36 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 ...
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2answers
79 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 ...
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0answers
39 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 ...
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0answers
325 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 ...
3
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1answer
134 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 ...
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1answer
122 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 ...
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1answer
74 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 ...
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0answers
279 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 ...
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0answers
29 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 ...
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0answers
83 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 ...
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0answers
30 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. ...
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1answer
397 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 ...
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2answers
554 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 ...
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0answers
54 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 ?
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0answers
19 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 ...
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0answers
64 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 ...
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2answers
166 views

passphrase/keyring management: 14.04 whole disk encryption

With 14.04 whole disk encryption can one add multiple passphrases and/or revoke them ?
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0answers
11 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 ...
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1answer
313 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 ...
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0answers
23 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. ...
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1answer
215 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 ...
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1answer
31 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 ...
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1answer
84 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.
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0answers
52 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 ...
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2answers
488 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 ...
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0answers
84 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 ...
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1answer
34 views

How can I recover the password of an encrypted Home folder?

I forgot my encryption password and now can't access my laptop. I have tried using the command line to remove it, and the bootloader. The home folder is blocked by the encryption code. Is there a ...
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2answers
117 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 ...
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0answers
39 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 ...
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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 ...
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0answers
240 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 ...
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0answers
448 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 ...
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3answers
3k 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 ...
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0answers
635 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 ...
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1answer
121 views

How do I generate a new OTR key for Pidgin

I accidentally leaked my OTR key. How do I generate a new one in Pidgin?
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0answers
112 views

Server 12.04 encrypted home + decrypt using only SAMBA + Dropbox

I have windows only users who login to their home directories and I would now like to have their home directories encrypted. I've tried encrypted home feature and that works great, but I can't get ...
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0answers
111 views

Encrypted disks fail to mount

I have two disks on my machine, encrypted through the Ubiquity installer. Each has a different password. Running Ubuntu 14.04 with all of the latest updates as of yesterday evening. Normally, on ...
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1answer
68 views

Usage of IronKey encrypted USB

I used an encrypted IRONKEY USB disk in Windows, and automatically I was asked to install the software/application for installation and used the password to access the content in it. How can use the ...
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1answer
140 views

Will “guided with encrypted LVM” enable TRIM on a SSD?

I currently have a little SSD (32 GB) for / and another HDD (250 GB) for /home where I use eCryptfs to encrypt my personal files. I consider buying a big SSD (500 GB) to have all the data on a SSD as ...
0
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1answer
80 views

Encryption [STANDARD] Ubuntu?

During the installation of Ubuntu I ticked the encrypt system and encrypt home folder boxes. But I have heard that it is foolish to encrypt the home folder when I already have encrypted my system. So ...
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0answers
199 views

How to mount directory with NFS under encrypted folder (home dir)?

I have vagrant project with NFS synced_folders option in my home directory. Vagrant can't mount it because NFS doesn't work under encrypted directories (http://serverfault.com/a/392232/106031). How ...
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0answers
21 views

Want to reinstall fresh Ubuntu, how do I backup my apps, docs, and settings for easy setup after clean install? [duplicate]

Want to reinstall fresh Ubuntu, how do I backup my apps, docs, and settings for easy setup after clean install? I'm doing this so I can easily enable full drive encryption. Thanks guys! Sorry if this ...
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1answer
90 views

Ubuntu Suspend issue with Self Encrypted Disk [duplicate]

I have a computer with a self Encrypted Drive (a hard drive with an AES encryption chip that requires login at boot to decypher the disk, that way it is hardware encrypted which "in theory" means zero ...
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0answers
25 views

Synaptic package manager and security / encryption

Does Synaptic package manager use security / encryption in looking for and downloading updates? Or, how can I 1)verify ssh or another protocol is being used, and/or 2)get to the screen that controls ...
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1answer
491 views

How do you restore an encrypted hard drive? Password being available

Installed by Ubuntu 14.04 LTS Installer: I have installed Ubuntu 14.04 LTS Desktop onto my notebook PC, and I made a wrong decision to alter the file ownership and permissions from the root drive as ...