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

learn more… | top users | synonyms (1)

0
votes
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 ...
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
597 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
50k 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
5k 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
76 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
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 ...
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
66 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 ...
0
votes
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. ...
1
vote
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 ...
1
vote
1answer
53 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 ...
1
vote
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 ...
1
vote
1answer
291 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 ...
5
votes
1answer
1k views

Ubuntu 15.04 USB devices powered off at encrypted root password prompt

Since my update from Ubuntu 14.04 -> 14.10 -> 15.04 it sems that i cannot boot my system anymore as i am stuck at the password prompt when ubuntu appempts to mount my encrypted root partition. The ...
1
vote
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 ...
32
votes
7answers
70k views

Mount encrypted volumes from command line?

If I have an encrypted external disk (or an internal disk that is not in fstab), I see an entry for it in Nautilus -- with an entry like "X GB Encrypted Volume". I can click on this volume, and am ...
76
votes
7answers
35k views

How to stop using built-in home directory encryption?

I have a new Ubuntu 10.04 installation with encrypted home directory (using the built-in encryption offered by Ubuntu installer). What's the easiest way to stop using encryption? (I.e., to decrypt ...
1
vote
0answers
87 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
votes
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 ...
10
votes
3answers
5k views

How to ensure that wireless Logitech keyboard is encrypted?

Just as the title says, I'm using a wireless Logitech keyboard, and I want to ensure that my keystrokes are in fact encrypted. On Windows, I could do that very easily by using the Logitech SetPoint ...
14
votes
1answer
14k views

How do I setup an encrypted swap file?

When I installed Ubuntu, I setup an encrypted home partition. Now I have come to an issue where I am running out of memory because I haven't setup swap. How can I setup an encrypted swap file? A ...
8
votes
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 ...
0
votes
0answers
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 ...
0
votes
0answers
13 views

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 ...
0
votes
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 ...
0
votes
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 ...
1
vote
1answer
427 views

How to update cryptsetup till version 1.6.1?

Hello current version of cryptsetup is not capable working with truecrypt partitions. Versions after 1.5.x are capable.(http://code.google.com/p/cryptsetup/wiki/Cryptsetup160) So here is the latest ...
1
vote
1answer
76 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 ...
1
vote
1answer
47 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 ...
0
votes
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 ...
5
votes
2answers
245 views

ecryptfs and login passphrase vs mount passphrase

I installed ecryptfs-utils and used it to create a Private encrypted folder in my home directory. During creation of Private encrypted folder I was asked for a login passphrase and a mount ...
0
votes
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 ...
1
vote
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 ...
103
votes
1answer
5k views

How do I enable Ubuntu (using full disk encryption) to call LUKSsupend before sleeping/suspending to RAM?

This question is related to another one by @Stefan, but it is not a duplicate of it. The questions are slightly different: the author simply wanted to know if this had been implemented, while I'm ...
16
votes
7answers
14k views

After new Ubuntu 15.04 installation, startup asks for password even though no disk encryption was set up

I installed a brand new SSD into my laptop and did a fresh install of Ubuntu 15.04, with NO system encryption used (only Home directory encryption). However, it still asks me for a password when ...
0
votes
1answer
45 views

Error when trying to encrypt USB memory with gnome-disks

Ubuntu 15.10 + gnome-disks: First I quick-formatted the drive (tried both MBR and GPT). Then I setup EXT+LUKS partition for the whole 32 GB of space, but I immediately get this error dialog when ...
0
votes
1answer
37 views

How to clone /boot and LUKS-encrypted root partitions to a new disk with a different partition table

The system in question is installed on an 80GB HDD that's on its last legs. Partition table is msdos, and has a /boot partition, and encrypted swap and / partitions. The swap is no longer used so I'd ...
2
votes
1answer
32 views

How can I have multiple passphrases for unlocking one encrypted partition?

I am using Ubuntu 15.10 and encrypted my partition with the default partitioning tool that is being displayed during installation. Now I want to be able to give my Laptop to somebody else without ...
1
vote
0answers
16 views

How can I recover an encrypted home folder on a partition where resizing it made those files disappear?

I had a partition that contained my Ubuntu 15.04 installation. I wanted to shrink the volume with gparted but as soon as I did that my entire encrypted home directory disappeared, so I extended the ...
0
votes
0answers
30 views

Enlarge root partition on Ubuntu 15.10 with encrypted disk

I had Ubuntu 14.04.4 installed but I messed around too much so decided to install 15.10. I had some problems on 14 with the root partition not being big enough so I wanted to avoid this on 15 by ...
0
votes
1answer
133 views

Install Lubuntu 15.10 with encrypted lvm

After setting up encrypted partitions on Lubuntu installation on a USB-Stick, there's no /dev/mapper/xxx I could bind to a mountpoint (edit partition/use as: / or swap or whatever)! On Ubuntu this was ...
0
votes
0answers
17 views

Enlarging luks partition

I'm getting new SSD disk soon and want to dd my old disk to new one. My disk is fully encrypted and using LVM. My new disk will be twice ad big as I have now. I was wondering how to use remaining ...
1
vote
1answer
40 views

How to change the passphrase for a private directory encrypted with ecryptfs

I set up a ~/Private directory, but now i want to change the passphrase i used. I moved all files out of that folder in order to start from scratch. So far i tried with: ~ $ cd / / $ ...
0
votes
1answer
47 views

Is there a way to move directory in the encrypted home to a second disk and keep the encryption ?

I have an install with home encryption (ecryptfs), it works fine, but am running out of space on that first disk, I have a second disk plugged in and formatted to ext4. Is it possible to use the same ...
0
votes
0answers
21 views

Multiple problems with aead in ip-xfrm

According to my, possibly misinformed, understanding of IPsec ESP, aead, enc, and auth/auth-trunc perform non-overlapping functions: * aead: create ICV as checksum of encrypted payload * enc: encrypt ...
1
vote
1answer
68 views

Opening True Crypt volumes and files. 14.x

I have two drives in my computer. One boots Win7 the other Ubuntu 14. I have external USB drives with banking and other data that are encrypted with truecrypt. I don't want to use BitLocker and have ...