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

learn more… | top users | synonyms (1)

9
votes
4answers
22k 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
votes
0answers
126 views

Ubuntu server 14.04.02 unresponsive with most of the commands (Ping, etc…) after apt-get dist-upgrade

[EDIT] Seems solved, problem with name resolution suddenly disappeared [/EDIT] I have a Ubuntu Server 14.04.02 on a private server with generic kernel installed, that I can still SSH into. Welcome ...
2
votes
0answers
50 views

Recover deleted full disk encryption partition

What I have: I have Xubuntu 14.04 installed on 500 GB HDD. The HDD consists of: Some small partition that seems to be for some EFI stuff a partition that holds /boot some free space at the end of ...
0
votes
0answers
41 views

full disk encryption boot gui gone

I have installed my ubuntu system with full disk encryption. After installing updates, the gui that you type the password will not show, just a command line interface that keeps ticking information ...
1
vote
1answer
30 views

plain text can be enctypted like password in vi editor? [duplicate]

Can anyone tell me, How to plain text can be enctypted like password (********) in vi editor or using vi editor or any other method ?
1
vote
0answers
73 views

default ubuntustudio 15.04 install crypto passphrase works fine except for swap

I did a fresh install of ubuntustudio 15.04 (64b), with activated encryption. I sometime get a request to provide a passphrase for ubuntu--studio--vg-swap_1, for example if I execute sudo service ...
6
votes
2answers
828 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 ...
1
vote
2answers
41 views

Mistakenly encrypted partition while installing Ubuntu

My friend has tried to install Ubuntu on her USB (with live-usb) and used LMV encryption for the USB. Right now, it is not possible to load Windows normally. It seems she mistakenly encrypt her ...
4
votes
4answers
5k 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 ...
15
votes
5answers
11k views

Swap not working on clean 14.04 install using encrypted home

Update 3: I decided to reinstall the system from scratch to remove any old cruft lying around since I had been experiencing some other issues after the upgrade aswell. Howver, this issue persisted. ...
3
votes
1answer
116 views

Can't access my encrypted home folder

My problem is the following: I decided to do an apt-get dist-upgrade. At first it said that it had to remove a lot of programs, which seemed a little suspicious, but I trusted the upgrade system. I ...
1
vote
2answers
76 views

The safest way to backup GPG and SSH keys

I have, in Ubuntu 14.10, generated a public and private GPG and SSH key set, but I am now needing to do a fresh install and don't want to lose them but don't just want to put them as text files on a ...
0
votes
1answer
45 views

Use rsync to backup .ecryptfs, but also use exclude some folders inside

I want to backup the /home/.ecryptfs folder on my machine using rsync. I don't want to back up the unencrypted files. However, I want to exclude certain folders. For example, music, downloads, or ...
1
vote
1answer
53 views

How to migrate ubuntu to an ssd when /home is encrypted with ecryptfs?

I discovered this topic 'How to migrate an encrypted LVM install to a new disk' which was useful for creating lvm volumes on my new SSD. Nevertheless, my original Ubuntu 14.04 has just a /home ...
1
vote
1answer
42 views

12.04 to 13.10 Can it remove encryption?

I installed Ubuntu 12.04 on my primary computer, and I absentmindedly selected "encypt home directory" I read a few methods to de-encrypt it, but they didn't work so well (And seemed overly ...
1
vote
0answers
22 views

ecryptfs-recover-private doesn't accept my login passphrase [duplicate]

Ubuntu Live DVD (14.04 or 14.10) $ sudo ecryptfs-recover-private INFO: Searching for encrypted private directories (this might take a while)... INFO: Found ...
22
votes
6answers
9k views

Is there a tool that can add a password to a PDF file?

I've found lots of info on decrypting PDF files, but none on encrypting them. What tool can do this for me? Edit: There are two good answers below, but in my specific case the PDF was a scan, not a ...
1
vote
0answers
55 views

Getting an “Enter Passphrase” box at boot

I have upgraded from 14.10 to 15.04 today. On 14.10, I did have my home folder encrypted. I have never had to enter a passphrase before (except the initial setting of it). Right after upgrading to ...
-2
votes
1answer
41 views

What should I do? Reformatting Encrypted Hard Disk

I have a serious problem. Last night I was updating my Ubuntu system to the newest one, 15.04 on one of my two computers, but I was a little bit under the influence so I chose to encrypt the hard disk ...
0
votes
1answer
42 views

Can't access my home directory “Encrypted private directory is not setup properly”

Hi I'm trying to access my home directory on my laptop hard drive through a live usb. I cannot boot into the OS on the hard drive and the home and root directory is encrypted. I have the encryption ...
26
votes
2answers
31k views

Create encrypted (password protected) zip file

How do I create an encrypted (password protected) zip file?
2
votes
0answers
154 views

Ubuntu shutdown freezes after suspend

I've recently installed Ubuntu 15.04 on my Acer Aspire V3, along with pre-installed Win8.1. During installation, I enabled /home encryption. There is no problem with suspending laptop for the first ...
2
votes
1answer
279 views

Full Disk Encryption Passphrase at Boot: Keyboard not working

I have upgraded my System with full disk encryption from 14.10 to 15.04, and now i'm not able anymore to input my passphrase at boot and therefore can't access my system anymore. Strangely it worked ...
0
votes
0answers
45 views

Encrypted private directory is not setup properly

I'm trying to access my home directory on my laptop hard drive through a live usb. I cannot boot into the OS on the hard drive and the home and root directory is encrypted. I have the encryption key ...
0
votes
0answers
44 views

Error while setting up an encrypted partition with cryptsetup

My goal is to install Ubuntu encrypted on a server with the help of the recovery console (from the hoster) via debootstrap. So I run the recovery console, which boots a live system (therefore I cannot ...
3
votes
1answer
803 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 ...
0
votes
0answers
26 views

How to handle disk encryption for remote connection?

I have at my workstation, an ubuntu 14.04 installation with full disk encryption. I now have to travel frequently for days and am planning to ssh into this machine from my chromebook to work remotely. ...
14
votes
3answers
28k views

Can I disable full-disk encryption?

I recently installed Ubuntu 12.10 and it requires a passphrase to boot up (I installed it with an encrypted file system). Do I have to reinstall to change to a standard unencrypted file system?
1
vote
0answers
12 views

How do I remove the password disk encryption? [duplicate]

At the time of installation I requested encrypt the disk with a password but want there to be no more password. How to change this?
0
votes
1answer
29 views

How to add new private key (OpenSSH) with multiple identities?

I have generated pair of both public and private key for one remote host. Now I want to add another private key in open format to connect via ssh to second remote host, but ssh denies connection with ...
0
votes
1answer
271 views

Ubuntu 14.04 x64 encrypted home - signature not found in user keyring

Had some problems with my laptop a few days ago and I had to reinstall the system. I used the same password for the same user when I installed it and, after the installation finished, when I got to ...
1
vote
2answers
4k views

How do I get Grub2 to boot a Truecrypt-encrypted MBR?

Given the following system: /dev/sda1 Windows, encrypted using TrueCrypt /dev/sda2 /boot /dev/sda3 /, encrypted (LUKS or how it is called) I now need GRUB2 to boot my truecrypt mbr ): Any hint on ...
12
votes
3answers
2k 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?
6
votes
1answer
3k views

How to encrypt external devices?

I've been a Windows power user/administrator and professional tech for years, I just made the decision to go Linux, and wow, what a difference. Is there any decently easy way to encrypt external ...
1
vote
2answers
145 views

Recover encrypted home folder after reinstallation

Yesterday I did a fresh installation of Ubuntu 14.10 over Ubuntu 14.04 and now I am not able to decrypt my home folder. I had two separate partitions: / and /home. I formatted my / partition but kept ...
0
votes
1answer
85 views

How can I encrypt Deja-Dup backups with a GPG public key?

Deja Dup, the default backup tool in Ubuntu, allows encryption of backups by means of a password. How can I encrypt my backups using my GPG public key? This Debian bug report requests this ...
23
votes
2answers
35k views

What to do about “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present”?

While booting Ubuntu 12.04, the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing. What is this? Is this is an error?
0
votes
0answers
33 views

Can't log in as user with encrypted home

I am running Ubuntu 14.04 from a flash, installed using UNetBootin. I can start the OS and do all the basic stuff. I created a new user with an encrypted home using the "sudo adduser --encrypt-home" ...
7
votes
1answer
437 views

Sharing an encrypted home directory between Ubuntu installs

I am trying to "share" a home directory between two separate Ubuntu installations. On my HDD I have an Ubuntu 11.04 installation with a separate /home partition that uses encryption. My data currently ...
0
votes
0answers
71 views

Ubunt 14.04 Stuck on Boot screen Full Disk Encryption No Prompt

Ubuntu Will not boot. It will get stuck on a purple screen before asking for the encryption password. I thought it might be a video card issue so I booted in using recovery mode, and the console does ...
2
votes
0answers
33 views

How to boot encrypted windows partition

I have installed ubuntu 14.04 on a dedicated partition in my work machine. The Windows partition is encrypted with Symantec full disk encryption, and is not recognized by Ubuntu as Windows (and does ...
8
votes
2answers
3k views

How can one unlock a fully encrypted Ubuntu 11.10 system over SSH at boot?

In previous versions of Ubuntu, and current versions of Debian, you can unlock a fully encrypted system (using dmcrypt and LUKS) at boot time over SSH. It was as easy as: Installing the encrypted ...
1
vote
1answer
53 views

Delay mounts after encrypted home folder is ready

I have set up a few bind mounts in fstab, mounting one folder in my home directory to another (AeroFS no sym-link circumvent). My home folder is encrypted. When the system boots up, it attempts to ...
0
votes
0answers
316 views

How to tell what a PUA.JS.Xored actually is

Almost every time that I scan my machine with ClamAV I get some results reporting that there is this PUA in my browser's cache: PUA.JS.Xored And I understand that this is encrypted JavaScript of ...
3
votes
2answers
929 views

How do I verify a partition is encrypted?

This article shows me how to see if Ubuntu has encrypted swap. What I would like to know is how I can determine that swap (or any other partition) is truly encrypted. What I would like to see is that ...
0
votes
0answers
28 views

When I install loop-aes-utils, ntfs-3g and encfs are automatically removed

Ubuntu 12.04 When I install loop-aes-utils using Synaptic Package Manager, ntfs-3g and encfs are automatically removed. How come those packages are not compatible? I am trying encfs, and loop-aes ...
0
votes
0answers
137 views

LUKS encrypted FS can no longer be mounted after upgrading Kubuntu

everyone! I fresh installed Kubuntu 15.04 these days but before I copied my /home partition to a encrypted partition on my spare HD. The problem is that I can decrypt it but cannot mount the LVM no ...
1
vote
1answer
43 views

User Home directory encryption - files that must remain un-encrypted like authorized_keys

Before we get to far, my question is: If this is the wrong way, or I'm doing it wrong, what is the right way? Pursuant to this howto: https://help.ubuntu.com/community/EncryptedHome So I see this ...
0
votes
0answers
127 views

Can't add intermediate cert to ca-certificates.crt via /usr/local/share/ca-certificates

On Ubuntu 14.04.2 LTS, I'm attempting to add an intermediate cert to the system's store of trusted CA certs. I installed the .crt file in /usr/local/share/ca-certificates, then ran ...
-1
votes
1answer
123 views

Encrypted filesystem shared with Mac OS X

Is there a reliable encrypted filesystem that works under both Mac OS X and Linux? It need not be the boot partition for either Linux or Mac OS X, but I'd like stable reads and writes if possible. ...