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

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6
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1answer
2k views

Set encrypted home passphrase

I just reinstalled Ubuntu, Natty. I set to use encrypted home, but once the system was running, I was asked to define the encrypted home passphrase. Out of haste, I skipped that, but now I want to ...
0
votes
0answers
8 views

Encryption Phassphrase

When I installed Ubuntu and first logged in, it gave me a chance to pick an encryption passphrase. I did not do it at that time, but I want to now. I am not getting the option. What do I need to ...
0
votes
1answer
461 views

Unable to install busybox-initramfs

I tried to install 13.10 Server to 2x3TB HDD with the following partioning (RAID1 + encrypted root and home) 2 times to following: 256MB EFI-Boot 500MB /boot RAID1 0,95TB / RAID1+encrypted 2TB ...
2
votes
0answers
44 views

Does system encryption encrypt /home if it is on a separate HDD?

This question is similar but it seems to deal with a /home partition on same drive as / partition so not sure if answer would be the same as setup I am proposing. I am hoping to set up my new laptop ...
2
votes
0answers
11 views

Use same swap on two ubuntus with home encryption

I have 2 14.04 in dual boot, both with home encryption. I would like them to use the same swap partition. One has a working swap partition (/dev/mapper/cryptswap1), but the other doesn't pick up the ...
0
votes
0answers
5 views

Black screen when entering password for system partition encryption (nvidia)

I'm with nvidia driver and system partition encryption set during installation. While I was with the default open source driver the password screen for the decryption was appearing fine. As soon as I ...
1
vote
1answer
20 views

How to migrate to a bigger ssd?

I'd like to migrate my ubuntu 14.04 install from a smaller sdd (256Gb) to a bigger one (Crucial MX100 512Gb) without reinstalling. What is the best way to process? I read that clonezilla was not ...
1
vote
2answers
36 views

File encryption program for all platforms

I need to encrypt files and folders in Ubuntu. I know there are lots of programs that can do that, but I would like to be able to open the encrypted files on other platforms too. I should be possible ...
0
votes
0answers
21 views

SSH to server with encrypted LVM

I setup Ubuntu Server 14.04 with encrypted LVM (static IP address with an entry in my /etc/hosts file) and would like to SSH to it with my laptop on my local network. The problem is that if I just do: ...
0
votes
1answer
31 views

How to remove encrypted ubuntu 14.04 OS from SSD

I installed ubuntu 14.04 LTS but I've decided its not for me. During the install I was prompted to use disk encryption and I chose to do so and I had to Use a Passpharse to unlock the SSD prior to ...
0
votes
0answers
5 views

Clone User Profile with Encrypted Home Folder

I'd like to clone my user profile on my local machine. I'd like to do so, just to keep all the preferences and not to have to redefine all of them manually. I've tried this, but when I login, it will ...
1
vote
2answers
23 views

Encryption question

Using Ubuntu 14.04LTS. Home directory is encrypted. Dropbox is in 'home' directory. Therefore, is Dropbox encrypted? Or, should Dropbox's method of encryption be used? Also, if files from 'home' ...
1
vote
1answer
53 views

Encrypt home directory / LVM encryption - Ubuntu Server 14.04 setup

There seems to be two different steps in the Ubuntu Server 14.04 installation that involve encryption. The first asks if I want to encrypt my home directory: The second has an option for encrypted ...
59
votes
4answers
26k 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?
1
vote
1answer
19 views

Problem after using LuksRemovekey?

I have an encrypted partition on /dev/sda5, yesterday I use cryptsetup to remove the encryption using cryptsetup luksRemovekey /dev/sda5, but when I restart I have to provide a passphrase for ...
2
votes
1answer
42 views

Can't play encrypted DVD on internal DVD-drive, but OK with USB-DVD-drive

As stated in the title, I can't play any commercial DVD on my internal DVD-drive on my laptop, but everything works just fine for the same DVD played on an external (USB) DVD-drive. I've installed ...
1
vote
0answers
36 views

Luks - after suspended the password not match

I have very big trouble. I have ubuntu 14.04 (standard instalation with full disc ecryption - luks). Yesterday I suspended my laptop and after few hours my laptop was discharged. When I turned on my ...
0
votes
3answers
114 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). ...
0
votes
0answers
27 views

How can I lock Seahorse GnuPG Keys?

since not long ago I've started to use seahorse to manage my encryption keys, and at the moment I'm finding myself a bit baffled about what it appears quite a security hole of the system... In fact, ...
0
votes
0answers
17 views

Luks encrypt / with a key stored in /boot

First, I know it sounds a little weird to do this (putting a key in plaintext on a drive), but here's why I want to do it this way: If I ever want to give the computer/drive to someone else, I want to ...
0
votes
0answers
231 views

Install Ubuntu 14.04 besides already existing Ubuntu 12.04 with encrypted home

Currently I have Ubuntu 12.04 with encrypted home (extra partition) installed on my Notebook. Now I would like to install 14.04 on my SSD (also inside my Notebook). Will 14.04 recognize my encrypted ...
0
votes
1answer
65 views

Issue with encrypted lvm during setup

How can i access a different form of partitioning, like in old alternate cd's or debian's installer, where i can choose to create a partition, make it encrypted, then add a LVM group to that encrypted ...
3
votes
1answer
6k views

Install Ubuntu Desktop on Software RAID 1 (mirror) with encryption

I used to use Ubuntu 12.04 Alternate installer to setup my old RAID1 + encryption system. With the new LTS 14.04 (beta 2) I found the alternate installer missing which complicates installation on a ...
26
votes
8answers
18k views
3
votes
1answer
69 views

What are the pros and cons of an encrypted Ubuntu installation? [duplicate]

I am awaiting the delivery of a new laptop that has no OS on it. I am going to install 14.04LTS and I am wondering what are the pros and cons of an encrypted Ubuntu installation? I assume pros are to ...
-1
votes
0answers
8 views

Can't add files to newly created encrypted partition?

Hey guys i just followed this guide and I am unable to add files to the mounted drive. When i click and drag the folder or file it slowly moves back to the desktop. I also click on properties on the ...
0
votes
0answers
56 views

Removing a primary Swap partition and hibernation (working in OpenSuse but not Ubuntu 14.04)

I have installed Ubuntu 14.04 on my Thinkpad X230. I have 16GB of RAM therefore created a 17GB of Swap Partition during the installation. For some reason, my swap partition was not created properly, ...
0
votes
0answers
10 views

Encrypted Lvm , passphrase nor working

I am using ubuntu server 14 on virtual box and i have used entire disk and set up encrypted lvm ,the system ran completely fine on first start , but once i rebooted it the same passphrase is not ...
0
votes
0answers
34 views

Network not working when installing Ubuntu 14.04.1 using encrypted LVM

I have installed ubuntu 14.04 using guide - use entire disk with encrypted LVM. All the services are working but I am not able to ping the gateway, nor I am able to ping the VM from outside. If I ...
0
votes
0answers
40 views

Ubuntu 14.04 Hard Disk Encryption - option not offered during installation

I've had one or two problems installing Ubuntu 14.04 on my partitioned hard drive (host running Windows 7). After some help on the forum I moved form using VirtualBox 4.4 to VMWare Player which ...
2
votes
1answer
142 views

Full disk encryption - adding disk

I've installed Ubuntu 12.04 Server using the encrypted volume with LVM option. I've now added another harddrive, that I wish to encrypt using the same key - and only supply key once during boot. How ...
-1
votes
0answers
33 views

GnuPG beginner guide needed!

I'm approaching the GnuPG encryption system in Ubuntu, but seems that I can't make it work, probably because of a personal non-understanding. First I've tried with the default seahorse "aka Passwords ...
3
votes
1answer
55 views

Level of entropy in full disk encryption

I would like to know how high the level of entropy is when installing Ubuntu and encrypting the installation. As far as I know, the only partition that is not encrypted is the /boot partition because ...
0
votes
0answers
16 views

Networking not working on encrypted LVM

Installed ubuntu 14.04 server with guided full disk encryption LVM and after boot network is not starting. Has anybody else faced this issue earlier ? Please help
2
votes
2answers
786 views

Mount LUKS encrypted hard drive at boot

I have Xubuntu 14.04 on a SSD device (the HOME was encrypted correctly during intallation), additionally I have a HDD with a encrypted partition with extra data which I would like to mount in ...
0
votes
0answers
12 views

Can't log in encrypted NTFS after Ubuntu install

I had this Windows laptop which when I booted would ask me for a username and my password in some windoish looking security environment before logging me into the Windows OS. I went inside Windows, ...
1
vote
0answers
29 views

Kiosk type machine - Guess account good start

I have some public use PC's currently setup with 14.04 64bit using the guest account to automatically boot and login. It's working fine, but I'd like to make it even more restricted. Meaning I'd like ...
2
votes
4answers
6k views

Can't install alternate CD from USB?

I'm trying to install Ubuntu 12.04 with full hard disk encryption. After downloading and installing the Ubuntu live CD, I learned that truecrypt doesn't support full disk encryption on Linux. I also ...
3
votes
4answers
1k views

cryptsetup partitions not detected at boot

I installed a fresh 12.04 and tried to mimic what I had for 10.04. swap should be encrypted with a urandom key and there's another partition that will contain home and other directories. # cat ...
2
votes
1answer
47 views

ecryptfs - unknown password and possibly lost

This is probably going to be a long post, but at the moment I cannot see the wood for the trees, so any help appreciated. In a nutshell: the other night I changed my (login) password. Then forgot it. ...
0
votes
0answers
15 views

after installation 12.04 LTS (04) - is not encrypted?

Am testing here 12.04.04 LTS for amd64-mac and after installation - intended with encryption of /home - the installation is not encrypted ?! with which command can I find out, if the partition is ...
1
vote
0answers
86 views

Problem with cryptdisks-udev service

I am getting an error when I run 'puppet resource services' that complains about the cryptdisks-udev service. The exact error message is as follows: status: Unknown parameter: DEVNAME The error ...
0
votes
1answer
92 views

How to enable Hardware Encryption on SSDs like Samsung 840 EVO?

Just got Ubuntu 14.04 running on a Zotac Zbox CI320. I want to enable the Samsung 840 hard ware encryption that comes with this hard drive, but I don't know how. Is there anyone that can help me set ...
1
vote
1answer
67 views

Encrypted drive (full disk encryption) gone after upgrade to 14.04

I'm in a bit of a pickle. I have just done an upgrade from 13.10 to 14.04, then I rebooted the machine and now the drive/partition is gone, so it boots into memtest. The drive was encrypted during ...
1
vote
1answer
20 views

BIOS settings not appearing

My friend installed Ubuntu 14.04 LTS on his Samsung NP 300 G5X laptop that had 4GB RAM and a 700GB HDD. He encrypted the Ubuntu installation and used LVM. After reboot he was taken directly to grub. ...
0
votes
2answers
58 views

Swap partition get damaged when encrypted

I upgraded my system to Ubuntu 14.04LTS, I encrypted the home & the swap partition during the installation since it was already encrypted in the old version. But later I noticed swap partition is ...
-1
votes
0answers
15 views

How i can make a partition in ubuntu 14 if i encrypted the drive during instalation?

I install ubuntu 14, during installation i tilt encrypt the hard drive option Now i want to install windows and files in another partition but i can't do it becouse the encryption don't let me use ...
57
votes
5answers
23k 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 ...
0
votes
0answers
96 views

Ubuntu 14.04 with Encrypted RAID6 and separate drive

I'm relatively new to Ubuntu Server and I'm attempting to setup a new server/NAS. It is made of: 4 x 2tb physical drives a 60gb physical SSD The 4 x 2tb drives each have a full disk partition set ...
0
votes
0answers
38 views

Infinite login loop - Signature not found in user keyring

I am using Ubuntu 13.10, which I installed almost 6 months back. While installation I selected HOME folder encryption. However, being a newbie I did not note mount passphrase(I thought how important ...