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

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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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63 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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1k 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
126 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
24 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
42 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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22 views

Drive Encryption Ubuntu Server 15.10 [closed]

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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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
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 ...
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19 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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0answers
28 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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55 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
67 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
54 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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20 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
49 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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0answers
26 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 ...
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12 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
69 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
44 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 ...
0
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1answer
96 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
64 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
11 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
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 ...
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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 ...
0
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1answer
27 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
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 ...
0
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1answer
33 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 ...
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67 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 ...
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0answers
20 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. ...
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0answers
24 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 ...
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1answer
54 views

GnuPG still 1.4.16 after 2.1.11 installation

I have followed the steps in an tutorial to install GnuPG 2.11 (even found an error with libgpg-error version, but corrected it). Even so, when I do a gpg --version, the system response is: gpg ...
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3answers
108 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
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1answer
52 views

Need to rescue Encrypted Hard disk, ubuntu not booting

I'm having trouble booting my ubuntu 14.04, i have set a administrator password for BIOS which appears at startup. once i enter that the system is supposed to go to the screen that shows the password ...
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0answers
94 views

Practical use of ecryptfs, encrypted keys, and TPM: how to convert existing user key to encrypted key?

Short version of this question is: How do I convert a user key on the kernel keyring storing ecryptfs authentication token / FEFEK to an encrypted key on keyring? (I.e. how to add an encrypted key ...
0
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1answer
21 views

Problems encrypting SD card

I've tried a couple of times to encrypt a 1GB SD card using Disk Utility. I thought all went well until I tried to unlock it. When I enter the passcode, it looks as if the device is opened up, but ...
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2answers
75 views

after installing Ubuntu unable to access as keyboard shift key not working so unable to enter pw

I have just done a fresh install of Ubuntu onto the internal hard drive of my laptop. During the process of installing Ubuntu, I clicked the option to encrypt drive, and entered the same password I ...
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1answer
2k views

How can I fix “W: <…> The repository is insufficiently signed by the key <…> (weak digest)” in my private repository?

I maintain a series of private repositories. The gpg keys used to sign the repo were made with "Key-Type: RSA" and "Key-Length: 4096". The version of GPG used to generate the keys is 1.4.16 on ...
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0answers
78 views

Encrypted home partition (btrfs) and trim stories

I am a new Linux user, i downgraded from 16.04 to 15.10 yesterday. I am using 4 partitions (efi,swap,/,/home) / and /home are formatted with btrfs. NAME FSTYPE SIZE MOUNTPOINT LABEL sda ...
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26 views

Are all partitions connected by the same password when setting up Ubuntu with LVM encryption?

Ive setup my desktop and encrypted the whole with LVM encryption. In addition to that I encrypted my home folder (this was by accident, but I am okay with it) Problem is that I didn't turn off my ...
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Used Backup storage located it to a encrypted file directory thats synced to the Cloud “scenario”

So I used the encfs command to create a encrypted file directory and the decrypted file. I basically followed this tut here how-to-encrypt-cloud-storage-on-linux-and-windows-with-encfs I used the ...
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0answers
31 views

How to encrypt root file system

When I install Ubuntu with the boot loader in /boot, it does not work. I get stuck on a black screen with a flashing cursor, as if there is no bootable media inserted. When I install it with the boot ...
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0answers
17 views

How do I perform an encrypted install on external SSD?

Ubuntu newbie here. I have Ubuntu installed on a Samsung T1 SSD. When installing I created the following partitions: / swap /home boot loader in /dev/sda It seems to work fine. However I have been ...
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1answer
79 views

How to recover/reset forgotten Cryptkeeper password?

I am using Cryptkeeper in Ubuntu 14.04 LTS to encrypt my important files. Unfortunately I have forgotten my Cryptkeeper password. It is very important for me to recover all those files. I have ...
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1answer
48 views

How to expand an encrypted ubuntu partition with LVM

I have an Ubuntu Mate Trusty installation on VB which I want to migrate to a physical laptop. By following this guide i was able to get it up and running. Only issue now is I want to expand the ...
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0answers
16 views

How do I encrypt individual folders and files in an autonomous manner? [duplicate]

I want to encrypt individual files and folders to backup them on DVD. So far, I only made password-protected .zip files, but I doubt that the security is very strong and I presume they are easy to ...
0
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0answers
37 views

bootup unlock dm-crypt does not accept right password [duplicate]

I am running Xubuntu 14.04.4 on a ThinkPad for a while with full disk encryption by dm-crypt. It all worked so far over several updates and reboots. However now at boot time I was requested to provide ...
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2answers
84 views

Bricked USB Thumb Drive - Can it be revived?

I have a Kingston DataTraveler 3.1 64GB Thumb Drive. It is now a tiny brick, but unlike other bricked thumb drives in other questions... Nautilus, Gparted and Disks do not see it. No recognition of ...
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1answer
301 views

Ubuntu won't boot because of lvmetad

I've followed this tutorial to install Ubuntu 15.10: https://thesimplecomputer.info/full-disk-encryption-with-ubuntu After restarting my computer I got to the grub menu and chose Ubuntu. Shortly ...