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

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syslog and kern.log files are huge on encrypted system

I have a one week old system on which I have installed Ubuntu 14.04 with the encrypted file system and encrypted home directory options. I have been running out of space, and I realize one factor ...
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3answers
2k views

Problem connecting encrypted Buffalo external 500GB hard disk in Ubuntu 12.04LTS

I am having problems connecting my Buffalo external 500GB hard disk in Ubuntu 12.04 LTS. The HDD is password protected and when I connect it on my PC, it just shows up the CD icon on the launcher. It ...
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2answers
1k views

How to enable Hardware Encryption on SSDs like Samsung 840 EVO?

Just got Ubuntu 14.04 running on a Zotac Zbox CI320. I want to enable the Samsung 840 hard ware encryption that comes with this hard drive, but I don't know how. Is there anyone that can help me set ...
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0answers
17 views

Using hardware Encryption instead of SSL

I am using Freescale iMX6 security processor's CAAM for encryption and decryption of data. But how do I make my system use the hardware encryption instead of software? Do I have to make changes to ...
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0answers
14 views

Recovering GPT w/ encrypted partition

I have a removable HDD whose partition table became corrupted during an interrupted file transfer. The device should contain a GPT with a single ext4 partition encrypted by dm-crypt/LUKS. lsblk: ...
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1answer
34 views

GPG Key/File Naming Confusion

When managing encryption keys in Ubuntu, I created a GPG key through the CLI with gpg --gen-key. Ubuntu provides a nice little GUI for managing keys called "Passwords and Keys". It however lists keys ...
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4answers
6k views

Can't install alternate CD from USB?

I'm trying to install Ubuntu 12.04 with full hard disk encryption. After downloading and installing the Ubuntu live CD, I learned that truecrypt doesn't support full disk encryption on Linux. I also ...
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0answers
39 views

Recover Data from Encrypted LUKS HDD

Hei, I really need help with this! Yesterday my Kubutnu wouldnt boot anymore so I booted with a Live CD and could fix the problem with this Tutorial: ...
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0answers
14 views

Creating SHA-512 password with function crypt

I want to create an encrypted password in a C program with the function crypt with the SHA-2 based hashing algorithms that are supposed to be included in the GNU C Library used by almost all Linux ...
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0answers
24 views

Crypted Ubuntu 14.04, how to increase boot partition?

I have installed Ubuntu 14.04 inside a virtual image, running on an Windows 8 Host. System is completely crypted, I guess that's why I got this error. When I start the image I get just the screen you ...
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2answers
190 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
28 views

how to encrypt a dual booted Ubuntu and win7 system

I am very new to Linux and I wanted to encrypt my newly installed Ubuntu system. Only issue is that I have a dual booted system with Win7, and when I tried to install the Ubuntu alongside with win7 it ...
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1answer
39 views

Dual boot Ubuntu and encrypted Windows 7

I have a work laptop with Windows 7 installed using Check Point Full Disk Encryption. The HDD was dying, so I installed a larger SSD and copied the contents of the old HDD over to it using dd. So far ...
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0answers
7 views

Creating and Sharing an encrypted drive and be able to access it from a network

I hope that question made sense! Here is what i am trying to do. i have an Ubuntu 14.04.1 server/htpc/desktop. I use it as cloud storage and to stream to my tablets. It has two physical drives and i ...
2
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1answer
43 views

How to recover /boot overwritten by identical /boot? [closed]

I spent 6 hours on this and I've given up. I am not finding a method to recovering a /boot partition that was overwritten by an identical /boot partition. This isn't your regular average grub ...
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1answer
63 views

14.04: login loops back on itself - ecryptfs

This problem follows on from 14.04: No Auto login at User Account settings - I am administrator (see all comments) I tried to remove encryption via this link How can I enable autologin for my user ...
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1answer
19 views

Reinstall with full-disk encryption

I'm looking to reinstall ubuntu (actually, switch from ubuntu to xubuntu) and currently have full disk encryption enabled. I downloaded xubuntu to a USB and booted of it; when going through the ...
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1answer
59 views

Bitlocker like software for Ubuntu

Is there a tool like the Bitlocker to encrypt the whole Ubuntu partition? To be more specific every time I try to boot in the Windows partition a Bitlocker screen shows up and asks me to insert a ...
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1answer
31 views

In trouble for login after changing username!

I've been using Ubuntu 14.04 for a few months (as a beginner)! A couple days ago I changed the user name to NEWUSER and got stuck at the login screen afterwards, though being able to login from the ...
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1answer
19 views

Ubuntu 12.04Lts

is the any method to make full disk encryption before install in Ubuntu 12.04? I see in Ubuntu 14.04 lts we can before installation , but in 12.04 I cant find it! any solution ?
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1answer
37 views

How safe encfs encrypted files are

Just recently got interested in encryption and some things are unclear. Say my ubuntu user is password protected and i have an encrypted folder. Now let's say someone takes my laptop, checks if i have ...
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0answers
166 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 ...
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3answers
42 views

Windows disappeared after installing Ubuntu encrypted

My problem is I lost Windows after reinstalling Ubuntu 14.04, because I reinstalled Ubuntu using encryption. From the beginning: 1) When I bought this laptop Windows 8 was already installed. 2) I ...
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2answers
4k views

Slow SSD + dm-crypt with Luks encryption in Ubuntu 12.10

I have an 128 GB SSD installed in my laptop (Samsung 840 Pro) on a Sata 3 interface. This laptop also has an i5 3210m Ivy Bridge Intel processor and 8 GB of RAM. I installed Ubuntu 12.10, using the ...
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2answers
33 views

permanent changes in ubuntu on USB stick without installing Ubuntu

I want to operate ubuntu ver 14.0.4 from USB Stick without install it on the PC , but when I make an update , install software or make system configuration if I restart the machine I lose everything ...
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0answers
23 views

Access OSX (10.8) encrypted volume from ubuntu

I need to access my two old drives (one hdd one ssd) from my Macbook which I managed to kill with a couple of glasses of water. The drives is still working though and shows up in 'Disks', but they ...
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0answers
23 views

Errors with Encryption Keyring and X when Booting in Ubuntu 14.04

I am running Ubuntu 14.04 and I know all of my passwords, but I'm having trouble logging in and error messages I've Googled have not led me to a solution. When I came home the desktop on my laptop ...
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0answers
17 views

Updated to 14.04, Mutt only S/MIME? Whence PGP/MIME?

I might be going senile. Using the stock Mutt on 13.04 I was able to something like (E)ncrypt (from memory) and have it use GnuPG. With 14.04, the Mutt 1.5.21 that came with the upgrade, there's an ...
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0answers
32 views

Encrypting data disk and set up automatic decryption on boot

I have a headless server running Ubuntu 14.01.1 LTS. It has a disk mounted that stores the data for certain applications. I have a requirement to encrypt the data on this drive which I am fairly ...
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0answers
20 views

How can I use public-key encryption for luks?

I have been running luks with the following commands: $ sudo dd if=/dev/urandom of=/keyfile bs=1024 count=4 $ sudo cryptsetup luksFormat /dev/XXX keyfile $ sudo cryptsetup luksDump /dev/XXX And it ...
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1answer
33 views

forgot passphrase

I installed Ubuntu 14.04 and did a full encryption. I did not restart for a few weeks and now forget my pass phrase, I remember the component sets of the password I think yet forgetting the order. I ...
0
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1answer
635 views

Encrypting FAT32 with Luks

In previous versions of Ubuntu I was able to encrypt USB flashdrives using the disks tool in any format I pleased. Now unfortunately I am only able to encrypt a flash drive in EXT format. This is ...
5
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2answers
6k views

Recovering eCryptfs partition with ecryptfs-recover-private not working

I am trying to reinstall, but I want to backup my encrypted home first, so I booted up from a live CD, mounted the hard drive, ran sudo ecryptfs-recover-private <home directory here> and it ...
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1answer
2k views

Recover encrypted data after reinstall

I couldn't remember the password that I've used for so many weeks, and changed it in recovery mode but for many reasons I decided to reinstall Ubuntu 12.10 with my seperate /home folder intact and ...
5
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2answers
4k views

What are the advantages/disadvantages of the new encryption feature in ubuntu 13.10

I'm in the middle of installing 13.10 and the Ubuntu page I was following on how to install from a USB stick says nothing about these two choices (on the Installation type screen): 1) Encrypt the ...
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1answer
31 views

ECRYPTFS_FNEK_ENCRYPTED files and folders

I had a problem using my old hard drive, so I'm willing to recover the files in it, but it is encrypted, and all the files and folders are named ENCRYPTFS_FNEK_ENCRYPTED and some gibbberish... The ...
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1answer
18 views

e2label error message

I am trying to rename 3 HDD, previously encrypted with Utility Disk. The problem is that whenever I try to use the e2label from CLI i get the following error msg: Couldn't find valid filesystem ...
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
19 views

how to list or change name to HDD in nautilus

In Ubuntu 12.04, I have added three old HDD after formatting and encrypting them with disk util. They work fine, no issues of functioning, however I don't know how to change the order they appear in ...
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2answers
4k views

Swap partition not recognized (The disk drive with UUID=… is not ready yet or not present)

I think I had an encrypted swap partition, because I chose to encrypt my home directory during the installation. I believe that's what the line with /dev/mapper/cryptswap1 ... in my /etc/fstab is all ...
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0answers
34 views

Seahorse/gnupg: encryption not working properly in 14.10

I installed both 32bit and 64bit Utopic Unicorn on 2 PCs. As I usually do, I copied the .gnupg folder into the /home directory and installed seahorse-nautilus. Now I can decrypt my old files as usual ...
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0answers
68 views

grub2: system 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 ...
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1answer
38 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 ...
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3answers
15k views

How to change the password of an encrypted LVM system (done with the alternate Installation)?

I installed Ubuntu 11.10 with the alternate CD and encrypted the whole system (except boot) with the encrypted LVM. Everything works great as before, but I would like to change the password of the ...
0
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1answer
47 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 ...
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4answers
1k views

cryptsetup - LUKS vs. Truecrypt [closed]

this question may already been made but I'd like to know how secure LUKS / cryptsetup is compared to TrueCrypt. What is the advantage and what is the disadvantage?
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1answer
170 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 ...
3
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1answer
276 views

TRIM and encrypted home folders

I have enabled TRIM for my root partition by adding discard in /etc/fstab, following How to enable TRIM? They mention that special steps are needed if I have an encrypted partition. I have encrypted ...
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1answer
93 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 ...
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1answer
34 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 ...