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

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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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39 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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22 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
169 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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1answer
111 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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40 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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12 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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26 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
66 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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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
167 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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18 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
83 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
26 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
46 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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24 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
104 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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42 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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15 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 ...
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2answers
61 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
30 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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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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109 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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135 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
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 ...
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211 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
35 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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55 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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73 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
22 views

encrypted USB usage

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
73 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 ...
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22 views

Is there any way of preventing an encryptd folder from showing sundry file information?

I have set up an encrypted folder with EncFS and use it successfully through the terminal on ubuntu 14.04. One thing I have noticed though on the hidden encrypted folder while on giving away name or ...
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1answer
75 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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68 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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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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0answers
30 views

Ubuntu Suspend issue with Self Encrypted Disk

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
20 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
264 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 ...
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1answer
73 views

Why the swap partition? [duplicate]

I always encrypt my Ubuntu installations. Currently I have /boot installed on a flash drive and two encrypted partitions: / and swap. In order to log in I have to enter pass phrases for both / and ...
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33 views

Is it possible to enter password once for 2 encrypted partitions at start-up? [duplicate]

I have my ubuntu 14.04 installation set up with my / and swap partitions encrypted. They both have the same password. My /home is on a separate HDD. My user login password is different to that of the ...
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2answers
77 views

How recover encrypted home when lost because user password was changed with root?

My Ubuntu-encrypted home directory was lost when I changed my user password. This was because I did it from the command line as root. So my user password is no longer linked to my encrypted user ...
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1answer
153 views

How to create Truecrypt volume using zuluCrypt?

I liked to use the GUI zuluCrypt to CREATE truecrypt volumes..I followed the instructions here https://code.google.com/p/zulucrypt/ but when I want to create a encrypted container (create => encrypted ...
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39 views

Anyway to bring back encrypted home information [duplicate]

Recently forgot my password? And I've tried to reset the password. The problem is that the home direct is encrypted. So there is no way to log in through new password. Cannot remember old password ...
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27 views

JBOD and Redundant Storage Pooling for Backups

I would like to add some redundancy for backups such that if one or two of the disks fail I can recover the data. I have a MythTV server with 5 disks (all XFS) where the sizes currently range from ...
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0answers
173 views

Decrypt encrypted /username folder - Ubuntu 14.04

Even if it seems that my question has been made before in many other threads i have to say that none of the answers i found worked for me, most of them refer to older versions of Ubuntu, or maybe i ...
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0answers
44 views

bootable encrypted USB thumb drive

I know how to create a bootable Ubuntu install on a USB thumb drive. Now I'm trying to make it safer by encrypting it. I imagine that I'll need a bootable non encrypted partition, and and an ...
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0answers
56 views

TRIM on encrypted device with Precise

I have migrated the main data to a new SSD. (That is Samsung 840 EVO, 120GB.) My ~ is an encrypted partition automounted by pam_mount. That is, there is a record in /etc/security/pam_mount.conf.xml ...
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1answer
128 views

How to revert from using an encrypted home partition?

I tried to delete ecryptfs from my computer so I wrote in the terminal $ PRIVATE=`cat ~/.ecryptfs/Private.mnt 2>/dev/null || echo $HOME/Private` $ ecryptfs-umount-private and now my home folder ...
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1answer
21 views

Formatting an encrypted partition

I was looking at some guides about encrypting partions and decide to try it out with a pendrive. Everything went good until the part of formatting the drive. I'm not an expert working around with ...
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1answer
68 views

Why am I unable to access OpenPGP keys on Seahorse and access encrypted files?

I am unable to access my OpenPGP keys on Seahorse. I tried to create a new key but the key never appeared (though it did prompt me for details). After trying to create a new keyring none of the keys ...