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

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How do I preseed encrypting just the root partition?

I have 3 partitions: EFI (/boot/efi), boot (/boot) and root (/). I want to encrypt just /. I can do this manually via the installer, but I want to preseed it. How do I define it? My (non-encrypted) ...
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14 views

Changed password - now can't login to my account (full disk encyption + encrypted home folder)

So I'm running Ubuntu 15.10. I have full disk encryption setup and an encrypted home folder, I realize this is stupid but I didn't realize what I choose when I set it up and never bothered to try and ...
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0answers
17 views

Installing in encrypted partition under EFI boot

I've been googleing for a bit and can not find an answer yet Im from a FreeBSD background, so you will have to forgive me a little I am trying to dual boot FreeBSD and Ubuntu I want to set up a ...
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0answers
12 views

Remove Bitlocker encryption on Ubuntu 16.04

How to access bitlocker encrypted drive in Ubuntu 16.04? Dislocker utility worked in 14.04 but a package which dislocker depends libpolarssl is missing in 16.04. Is there any workaround or any other ...
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0answers
26 views

Lubuntu 16.04LTS can't install because of unencrypted swap

I have now been struggling for days trying to install Lubuntu 16.04LTS. I have a 1.5TB drive and a 2TB drive. The 2TB drive fails consistently saying it cannot close the drive. Perhaps there is ...
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2answers
24 views

Recovering an Encrypted Home Partition Overwritten by LUKS

After aborting a recent installation attempt of Ubuntu 16.04 (which I've since installed without a separate home partition), I discovered that my existing encrypted home partition is no longer ...
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0answers
15 views

Ubuntu doesn't prompt for disk password when booting

I have an Arch partition installed on a LVM volume. It corresponding physical volume is in an encrypted partition (I used cryptsetup to do this). I installed Ubuntu Studio 15.10 in another logical ...
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0answers
30 views

How to use TRIM on encrypted home folder

I've installed Ubuntu 16.04 LTS. During the installation, I've checked 'encrypted home' but home folder is in the same partition as the root (i.e in '/'). I know that the usage of TRIM on LUKS devices ...
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10 views

Support for psafe3 on ubuntu-touch?

The psafe file format for providing an encrypted password database has been an essential tool to me for several years. One of the best things about this is the wide number of platforms where ports ...
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1answer
16 views

USB Security by Encrypt.com - where do i purchase this ap? (The instructions say it has never been hacked?)

I have a Lexar usb stick with Encrypt technology. Lexar said I had to purchase for like $12.99 software to use the USB stick, as it is so good apparently that it has never been hacked according to ...
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9 views

What Encrypted Ubuntu HDD does to Bootloader?

I installed 16.04 as encrypted such that I encrypted the whole disc in Lenovo-2013 PC. I am using the disk as hot plug. Now, I cannot use my other discs in the PC. I think this is because of the ...
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4answers
71 views

How does FDE (Full Disk Encryption) work so quickly?

I'm curious about how does Ubuntu's full disk encryption works under the hood. Here's an example: Considering the following string as all the disk's content: hello world After applying some kind ...
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1answer
31 views

Remove bitlocker encryption using ubuntu

I can access the drive using dislocker but I want to remove the encryption. I have migrated from Windows 10 to ubuntu 14.04 so I can't remove it using Windows.
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1answer
14 views

Boot without password, but still have encrypted partitions

I'm trying to set up a server with encrypted (and non-encrypted) partitions, but would prefer not to need physical access to reboot it (it being a server and all). Is there a way to set up the ...
1
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1answer
19 views

How can I encrypt my pendrive with password? [duplicate]

In windows 7 or windows 8, I can use BitLocker Drive Encryption to encrypt and set a password in my pendrive but i am unable to access files of my pendrive in Ubuntu. Is there is any method to ...
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12 views

Lost system after update

I know similar subject was in forum not once, but answers which I found did not solve my problem. I have Netbook Lenovo S10-3 (old and slow) I was using Kubuntu for a long time, but about 2 weeks ago ...
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1answer
15 views

Write edited contents of file to stdout

I need a visual text editor that can be used as follows - the example will not work but illustrates the point. gpg2 -d x.gpg | gedit -w - | gpg2 -e -o x.gpg This command will allow me to decrypt a ...
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1answer
26 views

Cloning Encrypted SSD to larger SSD

I currently have a 128GB SSD. Its using encryption that comes with Ubuntu. What's the best way to clone this to another SSD that's bigger and then expand the partition to be bigger to fit this new ...
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2answers
19 views

Encrypted SSD - Disk usage

I have a SSD in my laptop, only a small one 128GB. Its also encrypted. I am running out of space, used something like 99.1% of space. When I try to check the disk usage I can only see the encrypted ...
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0answers
19 views

Need to reinstall/repair after backup from 14 to 15.10

My Ubuntu broke when I was upgrading to 15.10. I can still boot it up and login but only in console mode. startx brings up a broke desktop environment. sudo apt-get upgrade etc does not work either. ...
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0answers
16 views

Encrypted USB stick, unrecognized file system?

Good morning, I'm in need of assistance in creating an encrypted usb drive. I used the format LUKS+EXT4 option, now when I plug in the drive I'm asked for the passphrase but then I get a warning ...
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0answers
25 views

How to create an encrypted folder in 2016 with Ubuntu 15.04

I'm trying to setup an encrypted folder (an encrypted partition would do as well) in my laptop powered by Ubuntu 15.04. I've found plenty of guides around, but I'm having hard time in figuring out ...
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0answers
35 views

Reinstall grub to “/” (encrypted) possible? And to make it primary?

After many many years out of linux, I decided to install Ubuntu 16.04 on a spare HDD I had. My system has 3 HDDs: sata0 -> 3TB Chameleon Boot Loader / Mac OS X [sda] sata1 -> 3TB winloader / win7 ...
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0answers
701 views

16.04 Nvidia proprietary driver problems

On 16.04 xubuntu fresh install, I have an Nvidia Gtx 980 and an apple 30" 2560x1600 display, after installing proprietary nvidia drivers, I get two problems, the first, I can't log in during the ...
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1answer
51 views

“sudo ecryptfs-recover-private” gives “find: ‘/run/user/1000/gvfs’: Permission denied” after botched (?) upgrade

EDIT 1: I reinstalled 16.04 having booted through the CD but with the HDD installed, now I can read the "readme.txt" and I can click on the "access-your-private-data.desktop" and it seems to run for a ...
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1answer
23 views

dd command failed!

I have a peculiar problem. I had a blackberry I used to encrypt the files and now I can't seem to remove the (encryption) password from the card. It always asks for the password when I put the card in ...
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0answers
30 views

Encrypted LVM partitioning

All I want to do is install an ubuntu based distro (Backbox 4.5.1) with the following configuration: 200mb primary partition for /boot encrypted LVM that contains: 30gb for / 8gb for /swap and the ...
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Drive Encryption Ubuntu Server 15.10

I have a small server running Ubuntu Server 15.10 from a usb stick. I have 6 drives of varying size all formatted to ext4. 2 drives I plan to configure using Raid 1. The remaining 4 drives I plan to ...
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0answers
12 views

How to recover lost password to unlock /home/? [duplicate]

I was asked to help extract data from an Ubuntu computer which has its home directory encrypted. Is there a way to extract the passphrase etc. in order to access the home directory?
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1answer
244 views

Can we make a folder and its contents remain locked for certain times of the day and unlocked for the rest of the time?

Suppose I have a Games folder. I don't want to waste my time on games. So is there someway that the folder remains inaccessible for most of the day, and only becomes accessible for say 3 hours after ...
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0answers
14 views

Can't copy files/make folders in new Truecrypt volume

I recently purchased a new external harddrive, and created a new partition on it. Then, I created a Truecrypt volume on the partition. However, it seems that the volume was created incorrectly: when ...
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19 views

FDE: can't enter passphrase with wireless keyboard 14.04 LTS

I recently installed Ubuntu 14.04 LTS with full disk encryption. My problem is that I am unable to enter the passphrase for the encryption with my wireless Logitech keyboard, and have to plug in an ...
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36 views

How to change /home to a new encrypted LVM partition

I installed Ubuntu 16.04 LTS and chose the option to remove all and set an encrypted LVM(I have a backup of all my data). I have 1 SSD(/dev/sda) and 1 HDD(/dev/sdb). What the installer did: It set ...
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0answers
36 views

Bitlocker-encrypted Windows and LUKS-encypted Xubuntu in Dual Boot

Company policies instruct me to use a Bitlocker encrypted Windows 10 (No turning off Secure Boot), but I also use Linux, which has to be LUKS encrypted. Now I need to set this system up for Dual-Boot ...
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1answer
32 views

How can I encrypt my Ubuntu partition?

I have Windows 10 and Ubuntu. I want to know how to encrypt the Ubuntu partition so no malware can jump from windows.
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14 views

Ubuntu 15.10 crypt disk not booting to desktop after successful login

Hello i started with usb install 14-.04 lts and full disk was before that with windows 7/ upgradingto 15.10 reboot and ask for sda5crypt and drops to busy box bin.sh shell . i have GNU grub 2.2 ...
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1answer
32 views

Encrypting of /etc/shadow file

When I add a user by -useradd command, if I go to /etc/shadow the password isn't encrypted, and therefore I cannot login to that user. How can I encrypt that password in shadow file?
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Setting Up TPM on Intel NUC running Ubuntu 14.04.1-Desktop-amd64.iso

I am trying to secure data on an Intel NUC DE3815TYHE. It has a TPM Module on it and I have been searching to find if anyone has successfully done this on a NUC. I have set it up for Secure Boot in ...
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0answers
9 views

How to get rid of cryptswap1 and create a new cryptswap1

I've been experiencing a bug during the past few days, ever since recovering my partitions with testdisk after stupidly typing "sudo sgdisk --zap-all /dev/sda." This happened when I was trying to wipe ...
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1answer
55 views

Let's encrypt on Ubuntu Snappy

Just got my first Ubuntu Snappy running on a Raspberry Pi 2 and would very much like to enjoy Let's encrypt on it. I got it working on my other web server, but feel that this might not apply on Snappy ...
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0answers
29 views

Slow boot - a start job is running for dev-mapper

When my Ubuntu 15.10 starts, there is a delay of 90 seconds where an error like "a start job is running for dev-..." shows and then it shows alternatingly three devices. The first one is ...
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1answer
44 views

How do I recover encrypted home folder after deleting filesystem

I was trying Ubuntu 16.04 but had issues and decided to install 14.04 over it. I have 16.04 installed on a single ext4 partition and encrypted my home folder (I remember the encryption passphrase). ...
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2answers
39 views

How to encrypt a (USB) Thumb / Flash Drive in Ubuntu 14.4

This question has been asked before but it has not been properly answered. I am not able to comment on that site and so ask the question again. When I try: "sudo apt-get install gnome-disk-utility" ...
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0answers
10 views

Full disk encryption for Ubuntu installations on different drive technologies?

Let's say that I install Ubuntu on three separate computers with these drive technologies: (1) HDD (2) SSHD (3) HDD + SSD or HDD + HDD (two drives) During the installation process, I select full ...
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1answer
14 views

Do I need unencrypted files underneath encrypted overmount?

I have unencrypted files in my /home/user dir (likely fallout from moving my home dir to a different partition). /dev/sda1 440G 137G 282G 33% /home /home/user/.Private 440G 137G ...
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1answer
50 views

File/folder protection that even government cannot break [closed]

If I have some intellectual property file that under no circumstances my competition can view, what is the best and most secure way to protect them? I know that there are many encryption apps for ...
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1answer
26 views

Constant problems with external encrypted hard disks

I am using an encrypted hard disk for backing up my (also encrypted) laptop disk, running Ubuntu 15.10 64 bit. The built-in laptop disk works fine but the external USB disk, after working for ...
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0answers
17 views

How to adopt an Ubuntu backup of an external hard drive to Amazon S3?

My Ubuntu 14.04 machine gets rebuilt (fresh install) very often (once a month at least) I am trying to setup a backup solution using the Ubuntu built in Backup App for the following scenario: A ...
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1answer
26 views

Expand root partition into second hard drive

I don't have much space left in my root partition and would like to expand it onto a second hard drive. I installed the current system using LVM. I also encrypted my current installation when I ...
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0answers
20 views

How to make an unencrypted backup of a fully encrypted system [duplicate]

I've made a server with Ubuntu using full disc encryption. To this day I've put a lot of work into it, configuring countless services. I've been wondering what I'd do if the encryption fails due to a ...