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

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Change eCryptFS mount options (remove nosuid)?

Is there a way to modify the mount options for an encrypted home partition on Ubuntu, specifically to remove the nosuid option? Relatedly, is removing nosuid likely to cause any difficulties mounting ...
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Solved - Massive filesystem corruption after latest update on LUKS encrypted drive

I booted my machine this morning and was greeted by a busybox shell. I booted from a live USB, mounted the drive with cryptsetup, but when I try to open it it says my ubunutu--root-vg has an ...
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1answer
23 views

Is it okay to use the same password for encryption and login? [on hold]

Is it okay to use the same password for encryption and login? Only I use the PC. Can login be turned of? Would that be safe if? For example if someone tryed to connect to my PC over the internet?
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3answers
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Full Disk Encryption + Home folder encryption needed? Wouldn't Full Disk Encryption get the Home folder anyway?

I'm reinstalling Ubuntu, and want to do full disk encryption. After selecting it, I'm given a choice to also encrypt the Home folder. Since Ubuntu doesn't use a separate partition for the Home folder ...
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22 views

Removing the encryption password at boot

This question has been asked a lot, but I still don't know the answer to it. Is there a way to remove the password at boot? I have processes that start up when the computer boots up, and when have to ...
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0answers
11 views

Samba file sharing with windows and encrypted

I have a ubuntu machine and I want to setup a samba server on it so that I can access the files from my windows laptop. My windows laptop and ubuntu desktop are connected through a switch. The desktop ...
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1answer
35 views

How should I encrypt Ubuntu Server 14.04 with AES on RAID 10 and RAID 5?

After researching I've come to the conclusion that my set up is just not standard enough to have a direct answer floating about on the interwebs. My Hardware: i7 950 CPU 24 GB DDR3 7 2TB 7200 RPM ...
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0answers
49 views

Unable to boot to encrypted root partition after Ubuntu 14.10 upgrade

I am running a Lenovo T440p with a clean install of Ubuntu. No dual booting. Over the weekend I upgraded from Ubuntu 14.04 to 14.10. There were some package install errors that led to Ubuntu being ...
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1answer
24 views

Mounting an encrypted server

Everything I've found on this is either how to encrypt a mounted drive, or not to do with servers. I have an ubuntu 14.04 server which I am trying to mount as a network share onto my 14.04 desktop so ...
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0answers
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Windows partition encrytped ,unable to boot from grub menu

I added a window 7 entry to 40_custom under /etc/grub.d . The windows entry appears in the grub menu after a grub update , but when I click on the windows option, I get an invalid signature . I used ...
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2answers
133 views

Ubuntu 14.04.2 cryptsetup failed on boot

I decided to reformat my hard drive and install a clean copy of the newly released Ubuntu 14.04.2 with full disk encryption (incl. LVM) and I chose a strong password with special characters which ...
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1answer
34 views

How to encrypt folder once, for sending?

Most encryption programs seem to be made for encrypting a folder permanently. I, however, simply want to encrypt a folder once and send it as an email attachment to someone. I feel like TrueCrypt, ...
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0answers
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problem with : the disk drive for /dev/mapper/cryptswap1 UBUNTU 14.10 [duplicate]

i have this problem, when i turn on my compurter , : the disk drive for /dev/mapper/cryptswap1, is not ready yet or ..... contiunue to wait or press M, for manual ... on UBUNTU 14.10 Any help? ...
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1answer
22 views

Unable to log into encrypted root drive after running virtual machine

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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0answers
63 views

14.04 encrypted disk lost all logical volumes after apt-get dist-upgrade

EDIT 2015-02-24: Now it's time to wrap up what happened, what is still missing, what I know and don't know, what I learned. * I've not been able to recover the logical volumes yet - any help is ...
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1answer
16 views

Hard drive not recognized after install

I have a Dell Laptop (Vostro 3500) and tried to install Ubuntu 14.10 64bit on it. It came with Windows 7 installed on it. So I try the install from a live CD, I select both full disk encryption and ...
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14 views

Connect to my computer via ssh and login in the encryption screen [duplicate]

I have a small question about how to login into my computer at work. I have a vpn connection and it works properly, however I had to reboot my machine and I have encrypted my desk, which means I have ...
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1answer
168 views

After upgrade to kernel 3.16.0-30-generic I cannot use the keyboard

After installation of 14.10 and the "automatic upgrade" of the kernel to 3.16.0-30-generic from 3.16.0-23-generic I cannot use my keyboard to enter my passphrase for decrypting my physical drive. ...
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1answer
42 views

Repair broken encrypted home

I've ran into following problem. I have split my disk into two partitions, one for / and one form /home. I've also encrypted /home. One beautiful day ubuntu reports upon boot some broken files, ...
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0answers
30 views

ImportError: No module named charm.toolbox.pairinggroup

I am trying to run this python file which uses charm cryptography library...but i am getting this error ImportError: No module named charm.toolbox.pairinggroup Below is the code which i try to ...
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0answers
26 views

System crashes when forced to use swap

I'm running Kubuntu 14.04, with encrypted luks. I have 16 gigs of ram, so I don't use swap too often, but when my machine is forced to for one reason or another, it crashes. This can happen from ...
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2answers
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Does Ubuntu Phone support encryption?

Does anyone know if the Ubuntu phone (especially the first official release - BQ E4.5) supports full device encryption? And if it does not, then if there are any plans for it?
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1answer
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Ubuntu 14.04 wont boot after entering harddrive encryption password

I have installed 14.04 LTS on to my Samsung 850 pro SSD and it was working fine then last time I booted it, it took three attempts to boot. Basically the request for the password appears and I enter ...
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1answer
29 views

Resize or turn off encrypted swap

I installed ubuntu 14.04.1 on a 60 GB ssd with full encryption. My PC has 16 GB of RAM. This has resulted in a swap size approaching 16 GB. Can I subsequently change this to 2 GB or completely turn ...
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32 views

encrypted lvm fails to boot after last update

My netbook fell. The disk had to be replaced. I installed new system from the install medium, then restored the contents from backup (rsync), and it worked... for a time. New 'security updates' along ...
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2answers
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Mounting external disk with defaulted 13.10 FDE

I have a hard disk which was previously used in my netbook with Ubuntu 13.10's default full disk encryption (FDE) configuration. I would now like to mount this disk as an external drive (via SATA to ...
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2answers
62 views

Unable to write to ext4, No space left on device?

After creating a folder in my ext4 partition, copying some data to it, then moving that whole folder to another drive, I became unable to add additional data to the ext4 partition when I boot into ...
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2answers
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Can't access home directory during boot. Any solutions?

I recently switched to Ubuntu 14.04 from windows. I've setup Chrome Remote Desktop but it won't start during the boot process and the following error appears in boot.log * Starting Chrome Remote ...
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1answer
28 views

How can I tell if my hard drive is encrypted?

I've recently installed Ubuntu (Trusty LTS) on my home computers, and believe I decrypted my /home directory, as described in the copying /home section of the tutorial at: ...
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1answer
20 views

How do I mount an encrypted drive

I just got a new harddrive, and I would like to get the files off of my old drive that was encrypted using the full disk encryption option in the Ubuntu installer. How do I access those files?
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1answer
36 views

Decrypt encrypted disk to make second partition

I have a problem. When I install Ubuntu, I make only one partition and encrypt this partition. Now I want to make second partition with different file type. How I can "decrypt" partition or... take ...
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0answers
49 views

Ubunt boot encryption using LUKS

I have Mini PC (aka Intel NUC) to be deployed remotely. This will be a server and running a LAN application to store financial records. Clients can access this server for accounting and reporting. I ...
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1answer
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Can I recover an encrypted partition that I quick-formatted in Lubuntu?

I had a USB drive encrypted with dmcrypt+LUKS which I forgot the password to. I later formatted it but as soon as I formatted it I remembered the password. Is there any way to recover/restore the ...
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1answer
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Ubuntu won't boot after setting a HD password in BIOS

I installed Ubuntu 14.04 alongside XP (Both 32-bit due to Brazos 1.0 Ghz slow CPU). Not because it kind'a ran slow but because of me using the PC to access work with some highly sensitive data I ...
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1answer
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confused about keys and using it with multiple computers

well I am confused about the keys and security. Ive tried searching for a answer, but I just wind up more confused Anyhow, my linux box, called skyline, has ssh enabled and I also edited the ...
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Ubuntu 14.10 Gnome/Nvidia Driver Conflict

I installed Ubuntu 14.10 yesterday with full-disk encryption, installed all the updates, and then I installed G++, Clang 3.5, Intel Parallel Studio 2015 (Update 1), and Nvidia's newest stable ...
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2answers
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Can I unencrypt a specific directory under home directory while the entire home directory is encrypted?

The reason why I'm asking this is that the encryption leaves up to a length of 143 characters to be used as filename. While normally it doesn't seem like a trouble, it becomes one when the name of a ...
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1answer
63 views

Differences between md5pass and md5sum

This question may be insane ,but due to definition of hash algorithms, hash algorithms are some kind of functions that accept variable length input and make it encrypted and the output always has a ...
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Is there a “session-wise” filesystem encryption?

AFAIK, there are partition encryption, or filesystem encryption like ecryptfs. But both of them only ask permission when mounting. By which I mean, once I mounted them, any other users could access ...
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34 views

Decrypting .glade gives XML Error

when executing a commercial software an empty window opens. In the log-file I can see the following error: Decrypting resource: /Gui/GuiMainWindow/GuiMainWindow.glade XML Error Count: 0 I already ...
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ipsec-tools can't encrypt packets after changing destination ip address?

I established a tunnel IPsec connection between two networks like the following scenario IPsec-tools and racoon and it works fine (see image) But in gateway1 I run a simple program that listen to ...
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How can I get an encrypted flash drive to automount in Gnome+xmonad?

I'm running Ubuntu 14.04. Whenever I'm using the default Unity desktop environment (or using the Gnome Classic session with Metacity), a flash drive with a LUKS-encrypted filesystem that is ...
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1answer
36 views

What happen if I copy data from a Full Disk Encrypted to another computer?

I have an Ubuntu OS in my machine with Full disk encrypted from installation, then I copy a data file (eg. music file or image file) to another computer by a USB, is that file will be encrypted or ...
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1answer
43 views

DM-Crypt does not accept passphrase

The partition table is: sda1 - /boot sda2 - dmcrypt with LVM, containing root, home and swap volumes Cryptsetup does not accept passphrase, that have been used for a long time and can not have any ...
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1answer
49 views

SED (self encrpyting disk) is crashing on system resume

I have asked this question before (here and here ) My problem is that my Self Encrypted Disk (SED) have to NOT spin down even on suspend! I have tried this, but it did not work and the disk spin ...
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full disk encryption on SSD with trusty [duplicate]

I am about to install a new SSD into my laptop and I have to do full-disk encryption due to regulations where I work. Since this is a new install I can get it right from the outset. How can I install ...
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1answer
74 views

apache2 not starting automatically in Ubuntu 14.04

I have fresh Ubuntu 14.04 installation with apache2. I have noticed apache2 is not starting at the boot. I have tried to enable it with sudo update-rc.d apache2 defaults, but it still doesn't start ...
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1answer
39 views

Encrypting a whole disk

If I have a HDD which is unformatted, that is all partitions deleted. Is it possible with Ubuntu to encrypt the entire thing is there some command/program that can do that for me? I have a Netbook I ...
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1answer
58 views

Cannot enter password to start Ubuntu

I'm running Ubuntu 14.10 with the system disk encrypted with luks. When I start the computer, it shows the Ubuntu logo and asks to enter the password to unlock the disk. However, I cannot enter the ...
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2answers
134 views

how to use ecryptfs with a random directory

I would like to use ecryptfs to encrypt a random directory (i.e., not my home directory or a subdirectory thereof, principally due to disk space limitations on my home partition) and mount that ...