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

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228 views

15.04 Swap won't “stay decrypted” (both Disk and Home Directory encrypted)

I just installed Ubuntu 15.04. During installation, I enabled both full disk encryption and home directory encryption. I then proceeded to install several applications. While installing these with ...
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0answers
6 views

On mini Mac, after install of 14.2, the pass-phrase for encrypted drive is not accepted. But also I can not boot from install media anymore

I have checked how to enter my pass phrase with different keyboard-layouts after having read the listed issues with this error. However I still can't get through. I can no longer boot the mac with ...
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0answers
3 views

mcrypt encryption 's place for key storage

I am using mcrypt for symmetric encryption in ubuntu and that is working fine. I just want to know that how key used for encryption is generated and where it is stored? I am new with ubuntu so i am ...
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1answer
14 views

Run command on logout, *before* encrypted home is unmounted

I'm running 14.04 LTS with an encrypted home directory. I've got a service (profile-sync-daemon) needs access to files in my home directory when it starts and stops, so needs to start after the ...
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0answers
69 views

How to resize a crypt-luks partition that takes all hard drive?

I want to shrink the partition to be able to install a windows OS, but i installed ubuntu 15.04 with encryption of the logical volume, gparted doesn't support crypt-luks so what do i do?
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2answers
44 views

How can I get rid of Ubuntu disk encryption bugs?

When I first installed Ubuntu Studio 14.04 a few months ago, I chose the option for the disk to be encrypted. I have had two issues since then that I believe have to do with it. For a while every ...
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0answers
23 views

“Authentication is required to check power state for…” after login from encrypted user

One of the users on my system (Ubuntu 14.04) has an encrypted home directory... after I log out of the encrypted user and log into another unencrypted user, I am getting a series of window asking me ...
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0answers
10 views

14.04 unable to boot after formatting different primary drive in Acer r7

I have owned my Acer r7 for about a year now and within the first week I installed a 120gb evo msata as a secondary boot drive running ubuntu 14.04. I had setup luks encryption and all partitions ...
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0answers
26 views

CPU Scheduling incredibly slow with large difference between total execution time and actual CPU time - Ubuntu Full-Disk Encryption enabled

Admittedly, I am running on a build that is no younger than five years old at this point and the system is not going to be incredibly fast. However, at the same time, the run-times I am observing are ...
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0answers
27 views

Fail to log in to an encrypted home Ubuntu 14.04

As titled, I have problem in logging in to an encrypted home. I have encrypted my home (admin) directory some time ago, so I don't really remember whether I written down the passphrase, but one thing ...
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4answers
221 views

I deleted my whole ubuntu system with sudo rm *, and my home folder is encrypted with ecryptfs

I just did sudo rm * and deleted everything. (yes, I know what you think and I agree with you). My SSD is 128G, ubuntu 14.10 was installed on the full partition, using LVM and with the /home ...
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1answer
21 views

Access encrypted home directory of one user when I am logged in as another user

On Ubuntu 14.04 I have created an encrypted home directory for a certain user A (with ecryptfs-utils & cryptsetup). However I am usually logged in as another user B. When I am logged in as user B, ...
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0answers
35 views

Create exact copy of compact flash with encryption with dd

I have a touchscreen system that's using some sort of encryption on a compact flash card to run it's OS. The card died, but I have access to identical machines. But when I try to copy the cf with DD ...
2
votes
2answers
60 views

How can I increase size of boot partition, if I have an encrypted home partition?

Installed Ubuntu as a first-time user about two months ago. Has been working great until two weeks ago, when updates would no longer install due to not enough room on the boot disk. I did the "sudo ...
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0answers
11 views

Enigmail Keys Keep Disappearing

I have made and backed-up my Enigmail keys three times to an external HDD, and every time I go to restore them, they are missing. The whole folder I made to store them in is missing to. No one has ...
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0answers
19 views

Cannot create user with auto-mounted encrypted home dir in Ubuntu 14.04.2 LTS desktop

I set up a machine with 14.04.2 and used the encrypted homedir option, which works fine from the installer. I went to move some stuff around, and ended up re-installling. I have been trying to create ...
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0answers
33 views

Linux full disk encryption password prompt completely unreadable

After a few updates ago , my computer as it boots up and asks for the hard disk encryption passphrase the menu is completely unreadable. This doesn't bother me too much, but I am curious if there is a ...
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0answers
13 views

Xubuntu 14.04 sa5_crypt screen keyboard doesn't work

I have Xubuntu 14.04 since it's release, but have never updated it until today. After that (and with a message of error in the softwate updater) i rebooted my pc (sorry for my english, i'm from ...
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1answer
20 views

Installed Ubuntu on a thumb drive with full disk encryption. Doesn't accept the pass when mounted on another install

I checked the full disk encryption (and home dir) options when instlling Ubuntu 15.04 on a thumb drive. The installation was done as you would do on a HDD. It works fine. However, i plugged the thumb ...
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0answers
21 views

recovery of files from the home folder to delete the kernel by accident

I'm starting to use linux and decided to use ubuntu 14.10 mate! one of them was that of an innocent I ended up deleting my kernel system in order to increase the space in the folder/boot ja that my ...
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0answers
84 views

Remove encryption of Ubuntu partition

I installed Ubuntu 14.04 a few months back. While installing, I had enabled the option of disk encryption, because of which I have been able to login to my system only after entering a passphrase in ...
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2answers
192 views

Encrypted SWAP partition creation after ubuntu 15.04 installation, 15.04 installer bugs!

Today I decided to install clean copy of 15.04. Using the installer partitioning tool, I created an encrypted luks system volume, then created an unencrypted SWAP, clicked continue, then got an error ...
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0answers
45 views

Ubuntu Studio 14.04.2 LTS AMD64 boot issue

Fresh install, no dual boot, 2TB brand new HDD, 4GB RAM, brand new Toshiba Satellite NB15T, LUKS encrypted drive, encrypted home folder as well, MD5 checksum's verified, default installation (and ...
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0answers
65 views

Problem with Ubuntu 15.04 Install switched encripted areas of of my main disk

During install the only area of my disk I requested encrypted was my home folder. What actually happened was home folder is not encrypted and the rest of the disk is encrypted by a blank password. ...
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0answers
30 views

Issues installing updates with disk encryption

I am quite new to linux and have just installed Kubuntu 15.04. I have been trying to install available update packages using the MUON Update Manager, however when the progress bar gets to about 25% ...
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0answers
44 views

New Ubuntu 14.04 installation with full disk encryption prompts for passphrase in console

My previous Ubuntu 14.04 installation launched to a graphical screen with the Ubuntu logo and a text prompt under it for passphrase insertion. I did a distro upgrade, which broke my installation, so I ...
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0answers
57 views

Plymouth script with LUKS Encryption

ive been hacking round with Plymouth themes on my Ubuntu 12.04 install and have noticed some strange behavior that I can't seem to explain (or solve) Note. I have two drives - both are encrypted with ...
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0answers
71 views

How to encrypt dual-booted Xubuntu?

I'm running a dual-booted Windows and Xubuntu system. I need full partition encryption, but only on the Xubuntu side. Is it possible to set it up without loosing any data? Which method is the safest ...
0
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0answers
83 views

Lubuntu Persistent LiveCD with Encrypted Home

I've done a lot of searching on this topic but have yet to find a definitive solution/answer that is easy to follow. I have a 256GB USB3.0 stick, which has two partitions (small FAT32 partition with ...
0
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0answers
228 views

LUKS encryption over ecryptfs

My /home partition under Ubuntu is default encrypted (ecryptfs), but now the system isn't mounting it. Even worse, I don't even find the folder after encrypting for a second time with LUKS. This is ...
2
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0answers
20 views

Failing to ask for crypt password on boot forces emergancy boot

I'm running Vivid on HP Pavilion 15. The Problem? When I boot the system, I get the purple screen that checks the disk. If I skip or wait till the end, I am pushed into emergency boot. (it should ...
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0answers
14 views

How to use encrypted windows partition in ubuntu 15?

I've installed Ubuntu over windows 8 and I cannot access a partition that was previously encrypted in windows 8. I don't have access to windows 8 anymore since I've not installed Ubuntu alongside it. ...
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0answers
247 views

Being dropped to emergency mode after upgrading to 15.04 with encrypted hard drive

I had installed ubuntu 14.10 with encrypted lvm and uefi mode on my hard drive. There are two hard drives which are encrypted. The first contains the root file system and the second contains a sharing ...
0
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0answers
10 views

No encryption options in Disks

When I start Disks (former Disk Utility), I can see my USB pen drive in the list of devices. However, regardless of whether it's mounted or unmounted, if I go ahead with the formatting I don't get ...
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0answers
12 views

cryptswap1 on top of Encrypted LVM

"Encrypt the new Ubuntu installation for security" appears to encrypt my /dev/sda3 device as sda3_crypt, with LVM volumes for root and swap. After installation, /etc/crypttab has entries for ...
0
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1answer
50 views

Encrypted swap partition not available

How should I correctly set up my encrypted swap partition? How can I ensure that the setup persists? I'm running 14.04 using encrypted home folder. I noticed that occasionally my machine would ...
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1answer
865 views

Install Ubuntu 15.04 with full disk encryption, but without swap partition

I have a laptop with 16GB of RAM, but SSD is only 64GB. I need to install Ubuntu 15.04 with both standard options - "Encrypt the new Ubuntu installation for security" and "Use LVM with the new Ubuntu ...
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0answers
41 views

Ubuntu fresh Luks/LVM Install “Operative System not Found”

I have a Dell Inspiron 7720 with two hdd, 1st: 1Tb and 2nd: 300Gb. The first hdd have Windows 8.1 Pro and i'm trying to install Ubuntu 14.04 LTS in the second. I made a fresh and clean install of ...
2
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0answers
120 views

After upgrade to 15.04 system does not boot from encrypted disk

The system was installed with LVM encryption, so it used to ask for a passphrase before booting. Now, the boot process fails with the following: Gave up waiting for root device. Common problems: - ...
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0answers
37 views

Encrypted DVDs Do Not Autoplay

I have installed Ubuntu Mate 15.04. When I insert an audio CD or a non-commercial DVD into the drive a window will appear asking me what I want to do. I know how to change the settings to cause the ...
0
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0answers
82 views

Stuck on “Loading initial ramdisk” after live cd change on root filesystem

I am running Ubuntu 14.04 LTS Server with the newest Updates in a Virtualbox VM. It has EFI boot on a 512 MB Partition, /boot on a 300 MB ext4 partition and / on a luks encrypted 7GB ext4 ...
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1answer
38 views

partition not recognized drive wont mount

I have a wicked virus on my windows drive that can't be located for some reason. Virus scans always lock up the PC which always ends in a crash. I installed Ubuntu on my external drive to operate the ...
2
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0answers
61 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
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0answers
162 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 ...
0
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1answer
160 views

Encrypted Ubuntu installation won't boot

I just did a fresh install of 14.04 LTS, choosing the encrypted option. Everything seemed to go fine, and at the end it told me it needed to reboot to complete the installation. When I clicked OK, ...
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2answers
581 views

How to install Ubuntu with both disk encryption AND SSD caching

I'm using Ubuntu in a corporate environment, and our security policy states that we have to use full disk encryption. I've also got a laptop with a 32GB mSATA SSD and 750GB of spinning rust. My ...
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1answer
316 views

Unable to ssh remote unlock encrypted ubuntu server 15.04 using dropbear/initramfs

So I'm trying to set up a brand new Ubuntu 15.04 headless server with full disk encryption and remote unlock capabilities. I've done this successfully on a raspberry pi running Raspbian-Wheezy, and ...
1
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1answer
32 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 ?
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1answer
249 views

System freeze while starting a Vagrant box via VirtualBox on Ubuntu 15.04

I'm starting a virtual machine with: vagrant up The provider is VirtualBox. After few seconds the system freezes and I can't do anything. Only a hard reset is possible. Unfortunately I can't see ...
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0answers
80 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 ...