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

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I lost /boot on thumb drive, can I reinstall it?

Here's the situation: I have two encrypted Ubuntu partitions on my desktop; / and swap. /boot was installed on a thumb drive that I managed to destroy whilst installing a new video card into my ...
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0answers
8 views

LUKS on software RAID not mounting on boot

I am trying to setup an encrypted disk using LUKS on a software RAID that was setup using mdadm on 14.04.1 LTS (GNU/Linux 3.8.13.26 armv7l) (Odroid U3). The problem is that the LUKS container is not ...
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1answer
201 views

How can I encrypt the entire disk while installing Ubuntu?

I want to install Ubuntu with encryption. Will this damage my boot system? Will I need to remove my Windows system? What version of Ubuntu give me this feature? How can I do it?
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3answers
99 views

Evolution Error: Cannot communicate securely with peer: no common encryption algorithm(s)

For two days now Evolution reports the following error when I try to connect to my university’s mail-server: imap.server.name:993« gescheitert: Cannot communicate securely with peer: no common ...
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0answers
41 views

How to restore a LUKS partition?

My /home partition disappeared on my main HDD. I changed SATA slots, then I got strange "no lvm available" errors during boot when usually the password would be entered (I do not have any lvm setup at ...
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1answer
129 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 ...
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3answers
2k 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 ...
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0answers
2k views

How do I enable Ubuntu (using full disk encryption) to call LUKSsupend before sleeping/suspending to RAM?

This question is related to another one by @Stefan, but it is not a duplicate of it. The questions are slightly different: the author simply wanted to know if this had been implemented, while I'm ...
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4answers
16k views

Enable disk encryption after installation

I'm running 13.10 Saucy. If I didn't enable disk encryption during installation, is there any way to enable it post facto? I found this, which says that encryption has to happen at install time, ...
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0answers
55 views

How to recover encrypted LUKS lubuntu data?

I installed lubuntu 13.10 with encryption from the CD and then updated to 14.04 when it became available. Now booting up fails. My hard drive has at least two partitions, one boot and one LUKS ...
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2answers
3k 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 ...
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1answer
13 views

How do I generate a new OTR key for Pidgin

I accidentally leaked my OTR key. How do I generate a new one in Pidgin?
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1answer
40 views

Server disk encrpytion prevents connection after SSH remote reboot

newbie here. I am running Ubuntu Server 12.04 LTS on an old machine for a home server project using a static IP address. Running OpenSSH server on it enables me to connect remotely from my Windows7 ...
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1answer
354 views

12.04 home encrypted and I have written down encryption passphrase. How to reset login password?

I set up a friend with 12.04 and he forgot his password. I encrypted his home directory and I have written down the encryption passphrase during the first boot. If he changed his password after I ...
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0answers
22 views

Server 12.04 encrypted home + decrypt using only SAMBA + Dropbox

I have windows only users who login to their home directories and I would now like to have their home directories encrypted. I've tried encrypted home feature and that works great, but I can't get ...
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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 ...
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1answer
3k 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?
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1answer
263 views

How do I DISABLE home directory encryption during Ubuntu 12.04 installation?

When attempting to install Ubuntu 12.04 from a CD, there is an option displayed for "Encrypt my home folder". The option is checked (enabled) by default, but it is grayed out, so it is impossible to ...
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0answers
35 views

Encrypted disks fail to mount

I have two disks on my machine, encrypted through the Ubiquity installer. Each has a different password. Running Ubuntu 14.04 with all of the latest updates as of yesterday evening. Normally, on ...
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4answers
6k views

How do I recover my data from an encrypted home directory?

I have a big problem. When I made a upgrade from 10.10 to 11.04 I lost all my data in home directory. I have only data from my home encrypted directory. What can I do? Thanks Martin
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0answers
169 views

Password to unlock LUKS volume requested multiple times even after correct password is given

Please help! There is win7 on separate logical volume. Then installed Ubuntu on a encrypted LVM (it is contains of two encrypted PV's). Everything's fine, but LUKS password asked for 5-8 times when ...
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1answer
13 views

encrypted USB usage

I used an encrypted IRONKEY USB disk in windows, and automatically i was asked to install the software/application for installation and used the password to access the content in it. How can use the ...
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1answer
208 views

Bitlocker & Win7 on one partition, Ubuntu & encryption on another, same drive

I have a laptop with a 64GB SSD and 1TB regular drive. The 64GB SSD has Win7 installed on it. The 1TB drive is partitioned into 500GB as NTFS, 480GB for Ubuntu /, and the rest for Ubuntu swap. For ...
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1answer
36 views

Will “guided with encrypted LVM” enable TRIM on a SSD?

I currently have a little SSD (32 GB) for / and another HDD (250 GB) for /home where I use eCryptfs to encrypt my personal files. I consider buying a big SSD (500 GB) to have all the data on a SSD as ...
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0answers
16 views

Is there any way of preventing an encryptd folder from showing sundry file information?

I have set up an encrypted folder with EncFS and use it successfully through the terminal on ubuntu 14.04. One thing I have noticed though on the hidden encrypted folder while on giving away name or ...
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1answer
87 views

How to create Truecrypt volume using zuluCrypt?

I liked to use the GUI zuluCrypt to CREATE truecrypt volumes..I followed the instructions here https://code.google.com/p/zulucrypt/ but when I want to create a encrypted container (create => encrypted ...
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1answer
58 views

Encryption [STANDARD] Ubuntu?

During the installation of Ubuntu I ticked the encrypt system and encrypt home folder boxes. But I have heard that it is foolish to encrypt the home folder when I already have encrypted my system. So ...
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28 views

How to mount directory with NFS under encrypted folder (home dir)?

I have vagrant project with NFS synced_folders option in my home directory. Vagrant can't mount it because NFS doesn't work under encrypted directories (http://serverfault.com/a/392232/106031). How ...
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0answers
17 views

Want to reinstall fresh Ubuntu, how do I backup my apps, docs, and settings for easy setup after clean install? [duplicate]

Want to reinstall fresh Ubuntu, how do I backup my apps, docs, and settings for easy setup after clean install? I'm doing this so I can easily enable full drive encryption. Thanks guys! Sorry if this ...
0
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1answer
138 views

How do you restore an encrypted hard drive? Password being available

Installed by Ubuntu 14.04 LTS Installer: I have installed Ubuntu 14.04 LTS Desktop onto my notebook PC, and I made a wrong decision to alter the file ownership and permissions from the root drive as ...
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0answers
13 views

Ubuntu Suspend issue with Self Encrypted Disk

I have a computer with a self Encrypted Drive (a hard drive with an AES encryption chip that requires login at boot to decypher the disk, that way it is hardware encrypted which "in theory" means zero ...
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0answers
15 views

Synaptic package manager and security / encryption

Does Synaptic package manager use security / encryption in looking for and downloading updates? Or, how can I 1)verify ssh or another protocol is being used, and/or 2)get to the screen that controls ...
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1answer
40 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 ...
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1answer
57 views

Why the swap partition? [duplicate]

I always encrypt my Ubuntu installations. Currently I have /boot installed on a flash drive and two encrypted partitions: / and swap. In order to log in I have to enter pass phrases for both / and ...
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0answers
30 views

Is it possible to enter password once for 2 encrypted partitions at start-up? [duplicate]

I have my ubuntu 14.04 installation set up with my / and swap partitions encrypted. They both have the same password. My /home is on a separate HDD. My user login password is different to that of the ...
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2answers
57 views

How recover encrypted home when lost because user password was changed with root?

My Ubuntu-encrypted home directory was lost when I changed my user password. This was because I did it from the command line as root. So my user password is no longer linked to my encrypted user ...
4
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1answer
2k views

Using word list to brute force encrypted partition

I used the Disk Utility to encrypt an external HDD about a month ago. Now it seems that I have forgotten the password. I have formed it according to a set of rules, so I have generated a word list ...
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0answers
39 views

Anyway to bring back encrypted home information [duplicate]

Recently forgot my password? And I've tried to reset the password. The problem is that the home direct is encrypted. So there is no way to log in through new password. Cannot remember old password ...
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0answers
13 views

JBOD and Redundant Storage Pooling for Backups

I would like to add some redundancy for backups such that if one or two of the disks fail I can recover the data. I have a MythTV server with 5 disks (all XFS) where the sizes currently range from ...
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0answers
79 views

Decrypt encrypted /username folder - Ubuntu 14.04

Even if it seems that my question has been made before in many other threads i have to say that none of the answers i found worked for me, most of them refer to older versions of Ubuntu, or maybe i ...
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0answers
33 views

bootable encrypted USB thumb drive

I know how to create a bootable Ubuntu install on a USB thumb drive. Now I'm trying to make it safer by encrypting it. I imagine that I'll need a bootable non encrypted partition, and and an ...
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2answers
3k 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 ...
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2answers
83 views

What's the status of encfs?

Is the encfs project no longer maintained? It seems the last update 1.7.4 was released on November 18 2010. In a security audit several weaknesses have been identified, but no updates have since been ...
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2answers
3k views

How to migrate an encrypted LVM install to a new disk

I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
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0answers
31 views

TRIM on encrypted device with Precise

I have migrated the main data to a new SSD. (That is Samsung 840 EVO, 120GB.) My ~ is an encrypted partition automounted by pam_mount. That is, there is a record in /etc/security/pam_mount.conf.xml ...
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1answer
84 views

How to revert from using an encrypted home partition?

I tried to delete ecryptfs from my computer so I wrote in the terminal $ PRIVATE=`cat ~/.ecryptfs/Private.mnt 2>/dev/null || echo $HOME/Private` $ ecryptfs-umount-private and now my home folder ...
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2answers
2k views

What are the advantages/disadvantages of the new encryption feature in ubuntu 13.10

I'm in the middle of installing 13.10 and the Ubuntu page I was following on how to install from a USB stick says nothing about these two choices (on the Installation type screen): 1) Encrypt the ...
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1answer
17 views

Formatting an encrypted partition

I was looking at some guides about encrypting partions and decide to try it out with a pendrive. Everything went good until the part of formatting the drive. I'm not an expert working around with ...
2
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1answer
39 views

Why am I unable to access OpenPGP keys on Seahorse and access encrypted files?

I am unable to access my OpenPGP keys on Seahorse. I tried to create a new key but the key never appeared (though it did prompt me for details). After trying to create a new keyring none of the keys ...
0
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1answer
34 views

How do I install over an encrypted disk?

I got a new (old) laptop, and was excited to try something new. So I gave Zorin OS a shot. However the initial charm wore off and I decided to move to Ubuntu (or maybe Mint?). But when I installed ...