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

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2
votes
4answers
6k views

Why encrypt the swap partition

I have seen on this site that many Linux users encrypt the swap partition. What are the benefits of encrypting swap?
0
votes
2answers
30 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 ...
0
votes
1answer
28 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 ...
2
votes
1answer
269 views

How to get rid of encrypted swap?

I recently installed Ubuntu 12.04, including a encrypted root and swap partition. I'd like to get rid of the encrypted swap partition (not just of the encryption for it, but of the whole swap ...
1
vote
1answer
41 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 ...
0
votes
1answer
25 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 ...
16
votes
4answers
3k views

using locate on an encrypted partition

I selected /home/ to be encrypted when I was installing Ubuntu. Now, is it possible to make locate work with an encrypted partition like this?
0
votes
1answer
60 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 ...
3
votes
0answers
318 views

XUbuntu 15.04 - On the first boot the keyboard does not work and I can't decrypt hard drive

Started experiencing this issue a few days ago. When I boot up my laptop for the first time in the morning, I get to the splash screen to enter in my password to decrypt my hard drive, but my keyboard ...
3
votes
0answers
2k 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 ...
0
votes
0answers
14 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 ...
1
vote
1answer
20 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 ...
0
votes
0answers
21 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. ...
0
votes
0answers
23 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 ...
0
votes
0answers
66 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 (...
0
votes
0answers
38 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 ...
0
votes
0answers
46 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 ...
0
votes
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?
5
votes
1answer
257 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 ...
0
votes
0answers
23 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 ...
0
votes
0answers
38 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 ...
3
votes
0answers
59 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 ...
0
votes
1answer
79 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.
0
votes
0answers
83 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 ...
0
votes
0answers
22 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 ...
0
votes
3answers
115 views

How do I encrypt a new user's password using the useradd command?

I would like to create an encrypted login password for a new user while using the useradd command in the CLI. I know that using option -p will allow me to create a password, but using this option does ...
-1
votes
1answer
57 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?
0
votes
1answer
36 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 ...
0
votes
2answers
84 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" ...
1
vote
0answers
41 views

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 ...
0
votes
1answer
136 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). ...
0
votes
0answers
17 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 ...
0
votes
1answer
93 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 ...
0
votes
0answers
69 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 dev-mapper-...
14
votes
4answers
19k views

Use (Windows) BitLocker-encrypted drive on Ubuntu 14.04 LTS

How could I mount my BitLocker encrypted drive on Ubuntu? I have checked the Wine website, and it had no BitLocker support, and I have no idea how to install Dislocker on my computer. I can not ...
0
votes
1answer
20 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 ...
0
votes
0answers
15 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 ...
0
votes
1answer
53 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 ...
10
votes
5answers
9k views

Securely automount encrypted drive at user login

An encrypted /home directory gets mounted automatically for me when I log in. I have a second internal hard drive that I've formatted and encrypted with Disk Utility. I want it to be automatically ...
6
votes
1answer
5k views

how to mount / with encrypted lvm root during installation?

In order to understand Linux better, I'm trying to manually configure an encrypted root lvm partition . I have already tried this with the Ubuntu server installer by choosing the lvm encrypted option ...
2
votes
1answer
606 views

Does the Ubuntu Server iso support full disk encryption out of the box?

Does the Ubuntu Server iso support full disk encryption out of the box? If no, what options do I have to do this out of the box with a stock ISO now that alternate got nuked?
78
votes
5answers
51k views

When installing I'm given the option of encrypting my home folder — what does this do?

Does encrypting my home folder make my computer more secure? Do I have to enter my password more if my home folder is encrypted? What else should I know about encrypting my home folder?
0
votes
0answers
18 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 ...
3
votes
2answers
6k views

How to create ext4 encrypted partition on Ubuntu 15.04 with new 4.1 kernel?

Can I create a new ext4 encrypted partition with kernel 4.1 on Ubuntu 15.04?
0
votes
1answer
80 views

Ubuntu 15.10 startup loops on cryptswap pass phrase request

http://paste.ubuntu.com/14242642/ For this PC I installed Ubuntu 15.10, with an encrypted home folder, on a GPT drive, followed by Windows 7 in UEFI mode. I then repaired GRUB 2 with boot-repair on a ...
0
votes
1answer
41 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 ...
0
votes
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 ...
0
votes
0answers
72 views

i want to install lets encrypt ssl, but it didn't success

root@tos:/opt/letsencrypt# sudo ./letsencrypt-auto Bootstrapping dependencies for Debian-based OSes... Ign http://mirrors.digitalocean.com trusty InRelease Get:1 http://security.ubuntu.com trusty-...
0
votes
0answers
22 views

Mounting an encrypted external HDD from Windows

I created a bootable external HDD loaded up with Ubuntu 14.04 and opted to encrypt the drive when I was installing everything, but now I would like to access some of the files and cannot see the HDD. ...
1
vote
0answers
26 views

Unable to start an ad-hoc with WPA protection

I have a problem. I recently reinstalled Ubuntu 15.10 on my laptop, and I want to create a new ad-hoc. However, under Wi-Fi security, I am stuck with only WEP encryption. I have no idea what caused ...