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

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How to adopt an Ubuntu backup of an external hard drive to Amazon S3?

My Ubuntu 14.04 machine gets rebuilt (fresh install) very often (once a month at least) I am trying to setup a backup solution using the Ubuntu built in Backup App for the following scenario: A ...
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1answer
27 views

Expand root partition into second hard drive

I don't have much space left in my root partition and would like to expand it onto a second hard drive. I installed the current system using LVM. I also encrypted my current installation when I ...
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How to make an unencrypted backup of a fully encrypted system [duplicate]

I've made a server with Ubuntu using full disc encryption. To this day I've put a lot of work into it, configuring countless services. I've been wondering what I'd do if the encryption fails due to a ...
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50 views

i want to install lets encrypt ssl, but it didn't success

root@tos:/opt/letsencrypt# sudo ./letsencrypt-auto Bootstrapping dependencies for Debian-based OSes... Ign http://mirrors.digitalocean.com trusty InRelease Get:1 http://security.ubuntu.com ...
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18 views

Mounting an encrypted external HDD from Windows

I created a bootable external HDD loaded up with Ubuntu 14.04 and opted to encrypt the drive when I was installing everything, but now I would like to access some of the files and cannot see the HDD. ...
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Unable to start an ad-hoc with WPA protection

I have a problem. I recently reinstalled Ubuntu 15.10 on my laptop, and I want to create a new ad-hoc. However, under Wi-Fi security, I am stuck with only WEP encryption. I have no idea what caused ...
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1answer
40 views

GnuPG still 1.4.16 after 2.1.11 installation

I have followed the steps in an tutorial to install GnuPG 2.11 (even found an error with libgpg-error version, but corrected it). Even so, when I do a gpg --version, the system response is: gpg ...
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3answers
96 views

How do I encrypt a new user's password using the useradd command?

I would like to create an encrypted login password for a new user while using the useradd command in the CLI. I know that using option -p will allow me to create a password, but using this option does ...
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1answer
49 views

Need to rescue Encrypted Hard disk, ubuntu not booting

I'm having trouble booting my ubuntu 14.04, i have set a administrator password for BIOS which appears at startup. once i enter that the system is supposed to go to the screen that shows the password ...
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0answers
64 views

Practical use of ecryptfs, encrypted keys, and TPM: how to convert existing user key to encrypted key?

Short version of this question is: How do I convert a user key on the kernel keyring storing ecryptfs authentication token / FEFEK to an encrypted key on keyring? (I.e. how to add an encrypted key ...
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1answer
19 views

Problems encrypting SD card

I've tried a couple of times to encrypt a 1GB SD card using Disk Utility. I thought all went well until I tried to unlock it. When I enter the passcode, it looks as if the device is opened up, but ...
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2answers
54 views

after installing Ubuntu unable to access as keyboard shift key not working so unable to enter pw

I have just done a fresh install of Ubuntu onto the internal hard drive of my laptop. During the process of installing Ubuntu, I clicked the option to encrypt drive, and entered the same password I ...
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1answer
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How can I fix “W: <…> The repository is insufficiently signed by the key <…> (weak digest)” in my private repository?

I maintain a series of private repositories. The gpg keys used to sign the repo were made with "Key-Type: RSA" and "Key-Length: 4096". The version of GPG used to generate the keys is 1.4.16 on ...
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0answers
59 views

Encrypted home partition (btrfs) and trim stories

I am a new Linux user, i downgraded from 16.04 to 15.10 yesterday. I am using 4 partitions (efi,swap,/,/home) / and /home are formatted with btrfs. NAME FSTYPE SIZE MOUNTPOINT LABEL sda ...
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Are all partitions connected by the same password when setting up Ubuntu with LVM encryption?

Ive setup my desktop and encrypted the whole with LVM encryption. In addition to that I encrypted my home folder (this was by accident, but I am okay with it) Problem is that I didn't turn off my ...
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Used Backup storage located it to a encrypted file directory thats synced to the Cloud “scenario”

So I used the encfs command to create a encrypted file directory and the decrypted file. I basically followed this tut here how-to-encrypt-cloud-storage-on-linux-and-windows-with-encfs I used the ...
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28 views

How to encrypt root file system

When I install Ubuntu with the boot loader in /boot, it does not work. I get stuck on a black screen with a flashing cursor, as if there is no bootable media inserted. When I install it with the boot ...
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How do I perform an encrypted install on external SSD?

Ubuntu newbie here. I have Ubuntu installed on a Samsung T1 SSD. When installing I created the following partitions: / swap /home boot loader in /dev/sda It seems to work fine. However I have been ...
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1answer
57 views

How to recover/reset forgotten Cryptkeeper password?

I am using Cryptkeeper in Ubuntu 14.04 LTS to encrypt my important files. Unfortunately I have forgotten my Cryptkeeper password. It is very important for me to recover all those files. I have ...
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1answer
31 views

How to expand an encrypted ubuntu partition with LVM

I have an Ubuntu Mate Trusty installation on VB which I want to migrate to a physical laptop. By following this guide i was able to get it up and running. Only issue now is I want to expand the ...
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0answers
16 views

How do I encrypt individual folders and files in an autonomous manner? [duplicate]

I want to encrypt individual files and folders to backup them on DVD. So far, I only made password-protected .zip files, but I doubt that the security is very strong and I presume they are easy to ...
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37 views

bootup unlock dm-crypt does not accept right password [duplicate]

I am running Xubuntu 14.04.4 on a ThinkPad for a while with full disk encryption by dm-crypt. It all worked so far over several updates and reboots. However now at boot time I was requested to provide ...
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2answers
71 views

Bricked USB Thumb Drive - Can it be revived?

I have a Kingston DataTraveler 3.1 64GB Thumb Drive. It is now a tiny brick, but unlike other bricked thumb drives in other questions... Nautilus, Gparted and Disks do not see it. No recognition of ...
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1answer
171 views

Ubuntu won't boot because of lvmetad

I've followed this tutorial to install Ubuntu 15.10: https://thesimplecomputer.info/full-disk-encryption-with-ubuntu After restarting my computer I got to the grub menu and chose Ubuntu. Shortly ...
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1answer
38 views

Error when trying to encrypt USB memory with gnome-disks

Ubuntu 15.10 + gnome-disks: First I quick-formatted the drive (tried both MBR and GPT). Then I setup EXT+LUKS partition for the whole 32 GB of space, but I immediately get this error dialog when ...
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1answer
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How can I have multiple passphrases for unlocking one encrypted partition?

I am using Ubuntu 15.10 and encrypted my partition with the default partitioning tool that is being displayed during installation. Now I want to be able to give my Laptop to somebody else without ...
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0answers
16 views

How can I recover an encrypted home folder on a partition where resizing it made those files disappear?

I had a partition that contained my Ubuntu 15.04 installation. I wanted to shrink the volume with gparted but as soon as I did that my entire encrypted home directory disappeared, so I extended the ...
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1answer
30 views

How to clone /boot and LUKS-encrypted root partitions to a new disk with a different partition table

The system in question is installed on an 80GB HDD that's on its last legs. Partition table is msdos, and has a /boot partition, and encrypted swap and / partitions. The swap is no longer used so I'd ...
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27 views

Enlarge root partition on Ubuntu 15.10 with encrypted disk

I had Ubuntu 14.04.4 installed but I messed around too much so decided to install 15.10. I had some problems on 14 with the root partition not being big enough so I wanted to avoid this on 15 by ...
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0answers
15 views

Enlarging luks partition

I'm getting new SSD disk soon and want to dd my old disk to new one. My disk is fully encrypted and using LVM. My new disk will be twice ad big as I have now. I was wondering how to use remaining ...
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22 views

Back-up utility endlessly asks for encryption password

I am running Ubuntu 14.04 LTS updated today. As I tried to start the scheduled back-up (on an external drive), the dialogue box asked me the encryption password endlessly and never proceeded to ...
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1answer
36 views

How to change the passphrase for a private directory encrypted with ecryptfs

I set up a ~/Private directory, but now i want to change the passphrase i used. I moved all files out of that folder in order to start from scratch. So far i tried with: ~ $ cd / / $ ...
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Multiple problems with aead in ip-xfrm

According to my, possibly misinformed, understanding of IPsec ESP, aead, enc, and auth/auth-trunc perform non-overlapping functions: * aead: create ICV as checksum of encrypted payload * enc: encrypt ...
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1answer
39 views

Is there a way to move directory in the encrypted home to a second disk and keep the encryption ?

I have an install with home encryption (ecryptfs), it works fine, but am running out of space on that first disk, I have a second disk plugged in and formatted to ext4. Is it possible to use the same ...
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Store git credentials permanently and encrypted using a keystore in Ubuntu

Storing git credentials with the command: git config credential.helper store stores them unencrypted in a plain text under ~/.git-credentials. In MacOS and Windows, GitHub Help suggests to use ...
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1answer
101 views

telegram with secret chats

What is the best way to run telegram on linux with support for secret chats? This is what I tried already: run telegram desktop - works very well but no secret chats feature pack android telegram ...
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1answer
68 views

Mount LUKS encrypted hard drive at boot (luks key stored in HOME folder which is encrypted by ecryptfs)

This question is regarding the one raised at: Mount LUKS encrypted hard drive at boot I have added my key to home folder and all works as a charm. Thanks guys! However I would like to better ...
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28 views

How to create an encrypted folder (not my home) and mount (decrypt) it automatically upon login?

Basically I would like to have something similar to Ubuntu's encrypted home folder, except for that the folder I would like to encrypt is NOT my home folder. Nor do I want to use that ~/Private ...
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How to autodecrypt a partition using key in /home?

I have the following setup: Multiple partitions for various mount points (including root, boot, and LVM PV) not encrypted An encrypted LV home to be decrypted via password Multiple partitions (e.g. ...
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1answer
53 views

How to remove an encrypted home directory

Recently, I had to do an OS reinstall. I keep my home folder encrypted in the event that my laptop were to be stolen, people wouldn't have access to my files. Using ecryptfs-recover-private, I was ...
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16 views

Freezing booting

I have an issue with Ubuntu 14.04. It simply freezes at booting while showing message the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present. I have checked this thread, however, I ...
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48 views

Full HDD (including /) encryption with cert on USB

There are number of questions here that are related, but all of them are for other cases. 6 years ago on FreeBSD I was using a highly secure setup: I had a USB stick with certificate file During ...
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34 views

encryption - separate data partition / dual boot

I want to have my installation encrypted, but the data partition separated (or if you've dual boot..) cause there's no need for that. It'd be nice installation to support this option - right now it ...
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0answers
88 views

Postfix sending email and marked as spam

I am settings up a mail server I can send using webmin. when i send the email to my gmail I can get it but it lands in the spam folder. I tried this with multiple emails. I think this could be cause ...
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40 views

LVM & LUKS manual partitioned but issues with loader/init/grub

I've had some success with manually partitioning and installing LVM & LUKs. The partitions are created - home, root, swap and boot, the pv and vg's were all created and set up correctly. I ...
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Error booting into new kernel?

I cloned the Git tree of the mainline Linux Kernel and compiled it(version 4.5.0-rc1). After compiling with default configuration (make defconfig) I installed it. In the grub menu I can select this ...
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Can't copy or move recovered crypted files from the temp folder

My ubuntu failed a few days back. I was able to recover my encrypted home folder using ecryptfs-recover-private then nautilus (under root) to view the ecryptfs.xxxxxxxxx folder in the temp. I can ...
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2answers
119 views

Can VeraCrypt use persistent mount points on Linux?

Can VeraCrypt use persistent mount points on Linux? Windows + VeraCrypt + encrypted volume absolute paths On Windows I can mount veracrypt encrypted partitions/disks via batch script which employs ...
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1answer
40 views

Cloning full-disc-encrypted system unencryptedly onto new disc

Essentially, I'm following this answer to clone the unencrypted content of a system with full-disc encryption to a new (smaller) SSD, from a live stick. I thought that would just consist of mapping ...
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1answer
34 views

evolution 3.16 cannot open encrypted office 365 message

I have successfully configured Office 365 with Evoltion 3.16.x in Ubuntu 15.10. While most emails can be read easily, the ones that are encrypted fail to open up with the following message Could not ...