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

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3
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3answers
93 views

Syncing dm-crypted drives?

I have 2 usb sticks, 8GB each: usb1 = /dev/sdb usb2 = /dev/sdc usb1 is a full dm-crypted drive and I am currently using usb2 as a backup, just incase usb1 fails. I am cloning usb1 to usb2 using ...
0
votes
1answer
39 views

the disk drive for /dev/mapper/cryptswap is not ready yet or present [on hold]

I am getting this error on bootup and do not know what to do. I have looked at almost every other answer related to this, but cannot access terminal before the computer freezes because of ram (I heard ...
0
votes
0answers
8 views

automatic login and encrypted home folder [duplicate]

I installed Ubuntu 12.04. At some point, by accident, I apparently agreed to encrypt the home folder. Now I would need to have automatic login, but it is not working. I guess because of the ...
0
votes
0answers
298 views

How do I encrypt an external (USB) hard drive

I'm running Ubuntu 14.04 LTS and I have a Western Digital external hard drive (Passport Ultra) mounted. I want to encrypt the entire drive. WD has Windows and Mac utilities available, but nothing for ...
0
votes
1answer
49 views

Encryption of partition for dual boot setup

I would like to get Windows 7 along Ubuntu 14.04 on separate disk partitions where Windows partition is encrypted. What are the options to get this type of setup starting from empty disk drive?
0
votes
0answers
13 views

multiboot whit full encrypted disk

hi guys , i need a ubuntu over a full encrypted disk. but i have a dualboot this are my logical partitions /dev/sda1: LABEL="windows" UUID="5A622BA23B618C35" TYPE="ntfs" /dev/sda5: ...
0
votes
0answers
7 views

Aegis Padlock 256 bit padlock reset and now what?

OKay here is how it works: The External drive has a numeric keylock on it to open it. Top level ADMIN USER levels 5 (5 partitions) Each user has his own password and admin can delete user, change ...
0
votes
1answer
26 views

Encrypted HDD - enter passkey with on-screen keyboard and touch screen

I am building a personal media/documentation server with a (cheap) touch screen. I would like to have drive encryption, but without requiring a physical keyboard. Being only moderately experienced ...
0
votes
0answers
54 views

Ubuntu does not start after update - cannot recover data [duplicate]

I recently updated my notebook system to Ubuntu 14.04 and facing the following issue: 1) on startup: the system starts, I can input my encryption password for the harddrive, but then before getting to ...
1
vote
0answers
76 views

Auto-mount usb drive on chromebook to use with dropbox

I have replaced Chrome OS on my Acer C720 with Ubuntu 14.04, so far I'm quite happy besides the limited local storage capasity. To remedy this I have bought a 32 GB USB Drive (SanDisk Cruzer Fit) and ...
0
votes
1answer
74 views

Preseed Ubuntu installation with full disk encryption

I am trying to set up Ubuntu full disk encryption using preseeding. I was able to set things up correctly following the preseed file presented here. But I do not want to provide the default password ...
0
votes
1answer
39 views

Where does dm crypt keeps crypt list?

If we enable encryption via cryptsetup tool on linux. Where does it keeps the crypt list/ encryption disk sector information etc ? Is it resides inside the LUKS header or device mapper kernel itself ...
0
votes
0answers
17 views

Error in decrypting WEP-encrypted .pcap file

I got a pcap file containing captured WEP packets, and a WEP key to decrypt it. I tried using both Wireshark and airdecap-ng to decrypt the packet. The key is correct, so the decryption was done ...
0
votes
0answers
27 views

Hibernation causes reboot

I'm running LXDE, when I try choosing "Hibernate" from the power menu I get a GDBus.Error.org.freedesktop.DBus.Error.AccessDenied: Operation not permitted error. To see whether the "underlying ...
0
votes
1answer
88 views

No Swap Partition!

I'm in dire need of help. My system has become incredibly laggy and hardly usable. I have realised that this is because for some reason I'm running without virtual memory (this is not intentional). ...
1
vote
0answers
624 views

Ubuntu 14.04 Manual Hard Drive Partitioning Help Needed

I'm in need of some assistance with manual partitioning from the Ubuntu 14.04 install GUI. I'm trying to do a fresh install of Ubuntu 14.04 desktop. I have a 60GB SSD as that I want all my OS files ...
0
votes
0answers
87 views

Disk encryption with Lubuntu?

I am thinking of installing Lubuntu 14.04 on top of my current Ubuntu 14.04 installation. I have (and for professional reasons, require) full-disk encryption, so I have been researching this before ...
0
votes
0answers
155 views

Swap partition on SSD with full encryption

I installed ubuntu 14.04 on my laptops SSD with full encryption enabled on installation and I just realized, that the installer created a swap partition. swapon shows me Filename Type ...
1
vote
1answer
1k views

Xubuntu 14.04 - full-disk encryption and LVM during installation?

Does Xubuntu 14.04 also support full-disk encryption and LVM during installation like Ubuntu?
1
vote
1answer
49 views

Encryption of hard disk [closed]

Is it possible to encrypt the hard disk without formatting in ubuntu. if yes so,please tell me with full description.
0
votes
0answers
54 views

ecryptfs-recover-private with only mount passphrase gives encrypted filenames

I am trying to recover my encrypted home directory with ecryptfs-recover-private with only my mount passphrase. I don't know my login passphrase. I changed my password using the passwd command, and ...
0
votes
1answer
60 views

Can I recover a Bitlocker-encrypted disk without the key?

I have encrypted an external drive using Bitlocker on windows 7, I have lost the recovery key and since upgraded my PC with a new motherboard and processor. i have tried everything imaginable to ...
1
vote
0answers
27 views

Recovering the Encryption Password Method

my question is that i am installing the ubuntu 12.04 and gave the encryption password at the time of installation but i forget the encryption password so how to recover or change the password without ...
-1
votes
1answer
51 views

Will encrypting hard drive encrypt “deleted” data

When a file is "deleted" it is not truely deleted, of course. I was on windows 8.1. Anyway, I accidentally screwed something up which led to more screw-ups which led to an unbootable hard drive and ...
1
vote
0answers
31 views

T440s Stops Booting into GRUB after a random period of time

I have a new Thinkpad T440s. Here are my specifications: Intel 4600U 12GB (4GB integrated, 8GB stick) DDR3 1600 Samsung 840 SSD 250GB Sandisk SSD 16GB This problem has been a real brain buster as I ...
1
vote
0answers
33 views

Can I set a 'nuke' password for an encrypted secondary drive?

I have an encrypted 2TB HDD, and I would like to be able to enter a password at the decrypt step of mounting it, that will render the drive un-decryptable. I have seen a few article online about this ...
0
votes
0answers
25 views

Which manual installer settings do I have to chose?

I have 2 physical HDDs in my notebook. On the first, Windows and a fresh Ubuntu 14.04 installation should reside, while the second HDD should extend the home directory of a second user account (which ...
2
votes
1answer
156 views

HowTo repair GRUB in trible boot with two encrypted LVM?

I setup Win7/DebianTesting/Ubuntu 12.04 as triple boot, Debian and Ubuntu each on encrypted volume (with separate root and swap partitions). Installation order: Win7 --> Debian --> Ubuntu, Grub was ...
1
vote
1answer
54 views

How to generate a strong key for SSH encryption?

I recently setup my first Ubuntu server, it's 14.04, and I'm trying to secure SSH. I've googled around for numerous guides and there are many good ones that go into great detail about how to setup a ...
0
votes
0answers
13 views

How to modify sda5_crypt login page?

I want to make changes to this page on my crypto login page What I want is to make it all a blank black page. Nothing to show but still I want to write password. What file do I need to modify?
0
votes
0answers
39 views

Security and Encryption

I would like to know if there is any way to encrypt an entire directory without having to compact it first in one file. For example: aescrypt -e -p "password" "file" Using the command above I can ...
-2
votes
1answer
95 views

Cannot uninstall TrueCrypt

I installed TrueCrypt from their website (.tar.gz file) extracted through the archive manager to /usr/share/truecrypt. I no longer need the app but I cannot uninstall it through sudo apt-get remove ...
1
vote
2answers
442 views

Encrypted Swap Partition for 14.04

How can I produce an encrypted Swap Partition for 14.04 ? All the advices I saw here are for versions <14.04 and do not work for me. I tried a lot but nothing lasted longer than a reboot. Is there ...
1
vote
1answer
37 views

How to move a program from a partition to another one?

I'm new to Linux and Ubuntu, so sorry in advance if this is a noob question, but I don't know how to solve this situation. I've installed Virtual Box on Ubuntu, and I've also installed Truecrypt ...
1
vote
2answers
889 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. ...
2
votes
2answers
380 views

14.04 with FDE and swap is missing

Helo I have a fresh install of 14.04 on a laptop with an SSD hard drive. When installing I turned on Full Disk Encryption as well as encryption of home folder. Partitioning was left to the ...
0
votes
2answers
82 views

Encrypt: Overwrite empty disk space bad for SSD drives?

I am installing Ubuntu 14.04 and got the choices of: Encrypt the new Ubuntu installation for Security Use LVM with the new Ubuntu installation If I select Encrypt and go to next step, I ...
0
votes
2answers
82 views

is a strong linux login password needed with full disk encryption with a strong password?

I'm using full disk encryption, that is easily done using recent ubuntu installation images. I have a very strong password that I type in on boot to unlock the encrypted disk partitions. Is a strong ...
0
votes
0answers
139 views

How to make luks partition auto-mounted at start-up?

What I have: 1st HDD (/dev/sda) with luks crypt partition (/dev/sda5) with LVM in it (/dev/mapper/sda5_crypt). LVM contains system root (/dev/mapper/TS1--vg-root) and swap ...
0
votes
1answer
41 views

What to do about /dev/mapper/cryptswap1 not being ready?

Okay, I know it seems like this post has been shared a thousand times, but here's my situation: 1) I have a 1TB portable HD that I use to boot Ubuntu on the school's computers sometimes. 2) I just ...
0
votes
0answers
19 views

I want reverse the encryption of my data.

When I first installed Ubuntu, I chose for EVERYTHING to be encrypted. Now that I did it I regret it because every time I turn on my computer it asks for the password so it can boot and it gets ...
1
vote
0answers
114 views

BusyBox: dropping to build-in shell: initramfs problem with encrypted hard drive

I tried to do an upgrade from 13.10 to 14.04 on my laptop. When I came back a bit later, the machine had crashed. I restarted it and it had got in a pickle halfway through the upgrade process. I did ...
0
votes
1answer
31 views

apache private key encryption

I have a web server with SSL, and I was wondering if encrypting the private key on the disk ( -des3 flag when creating it) was really useful, or if setting permissions to 400 on it was enough? (If ...
0
votes
0answers
71 views

Open multiple LUKS partitions at boot

I have a setup where I have 4 LUKS partitions that need to be mounted at boot time in order to assemble a RAID10 btrfs partition holding the root partition of my system. I was able to finalize the ...
0
votes
0answers
129 views

How to install ubuntu to a already encrypted partiton without formatting it in 14.04

Ubuntu killed the alternative installer buuuuuuh!! I am not sure but I think this was possible before with it. As far as I understand it the installer actually recreates a encrypted volume even if ...
0
votes
1answer
176 views

Full disk encryption vs home folder encryption

What is the difference between home folder encryption and full disk encryption that we find in the Ubuntu versions ? Which one of them is more secure ? Using them both could make my laptop more safe ? ...
4
votes
1answer
55 views

Open several vim-encrypted files with the same password

Let's say I have three files in the same folder, a.txt, b.txt and c.txt, all of them encrypted (with Vim) with the same password ("asdf" for example). Is there a way to open the three of them entering ...
0
votes
1answer
62 views

Have encrypted my disk and need swap space

I have just installed xubuntu 14.04 and elected to do the encryption (not the full disk, just the ubuntu part and my home dir). I realized however that I failed to create any swap space. When I run ...
0
votes
2answers
83 views

Problem facing while installing TrueCrypt

I downloaded the .tar.gz of TrueCrypt and extracted it. As per instructions, on clicking on the file 'truecrypt-7.1a-setup-x64' we should get a window that asks us to run the setup. But when I open ...
0
votes
0answers
53 views

How to open an encrypted USB on other Ubuntu box

I encrypted a USB flash drive on my Ubuntu laptop and want to open it on my house desktop which also uses Ubuntu. When I try to open it I receive the following error: Error unlocking /dev/sdb1: ...