Questions tagged [encryption]

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

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Partially encrypted installation

Noob alert: slowly ditching windows. Speak slowly. With that out of the way, I want to install Kubuntu 20.04 on a single dedicated SSD with an encrypted root&swap but I want to keep some free ...
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Thinkpad P14s AMD 2nd gen: suspend doesn't work (full disk encryption)

I own the new Thinkpad P14s AMD 2nd gen with Ubuntu 21.04 and full disk encryption. It almost works out of the box except wifi (that can be fixed with this driver) and suspension. Actually, I'm not ...
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Imaged a LUKS drive while unenencryted, now can't mount

while imaging a LUKS drive I accidentally imaged it while it was unencrypted (only imaged sdx1 instead of whole drive, sdx2 was boot). Now it won't mount. I've tried pretty much all methods to try and ...
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LUKS Full Disk Encryption including /boot partitions in preseeded installation

I'm attempting to bring a bitlocker-esque experience to users in my ubuntu environment. I have a preseeded ubuntu 20.04 installation I deploy that currently has a working disk encryption scheme on ...
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Restoring a duplicity backup with Dejà Dup from a different computer

I'm making some scheduled encrypted backups from an Ubuntu Server to a remote computer, using duplicity. What I'd like to do is to access that remote computer from a third machine, Ubuntu Desktop in ...
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How do I extend LUKS partition to fill the whole logical volume of 2 disks on LVM?

I have added a second disk to my LVM system. I created a physical volume there, added it to the volume group of ubuntu, 'vgubuntu', extended logical volume to fill the whole disk. How do I extend the ...
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LUKS encrypted disks do not mount at startup despite checking the option in Disks

I followed this answer in an attempt to make my LUKS encrypted secondary SATA drive mount at startup. First, I selected the LUKS partition in the Disks app, then I selected "Edit Encryption ...
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Ubuntu 20.04 Full Disk Encryption - Wrong Password

I've been using Ubuntu 20.04 with full disk encryption (initially upgraded from 18.04). Decided I wanted to do a fresh install because I was having a few apps crashing and whatnot. But I'm getting ...
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Reusing a previously encrypted NVME

On a previous laptop I installed a new NVME SSD and installed Pop OS, selecting the standard drive encryption option. Later I decided to sell the laptop, and replaced that NVME with the original that ...
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Running Ubuntu with FDE in fastboot enabled motherboard

My pc had windows pre-installed. I instead installed ubuntu with full disk encryption. but apparently there is a bios option in the motherboard that's called fastboot that disables all the usb ports ...
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Cant Change Encryption Options in Gnome-Disks

When I try to change encryption options to automatically unencrypt a partition by going through the GUI entering the partition passphrase and the root password I get this error: Failed to open file /...
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Ubuntu disk encryption on a system with dual-boot Windows/Ubuntu

I have a thinkpad x220 with one SSD containing Windows and Ubuntu 20.04 LTS dual-boot. I want to encrypt the Ubuntu partition, leaving Windows as it is. I am aware of the security limitations of such ...
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UEFI Grub fails to boot encrypted Ubuntu 21.04 system: can't find command `cryptomount'

I am manually (i.e. via custom scripts) installing an Ubuntu 21.04 system. My GPT disk has two partitions. An EFI System Partition, and a LUKS (version 1) encrypted BTRFS partition. On boot, grub ...
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home directory is full even tho the home partition is not

I have recently increased my home partition's size using GParted, from ~10GB to 150GB. lsblk outputs the following sda 8:0 0 238.5G 0 disk ├─sda1 ...
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Error: vgubuntu-root does not exist. Dropping to a shell

I installed Ubuntu 21.04 with disk encryption a week ago. Now it wouldn't boot and gives this error: ALERT! /dev/mapper/vgubuntu-root does not exist. Dropping to a shell! How to fix it? Screenshot
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After upgrading from 20.10 to 21.04, boot fails (stuck on BusyBox with cryptsetup error / can't unlock cryptswap)

I'm running Pop!_OS on my ThinkPad laptop, with full disk encryption (NVMe disk). I tried to upgrade the OS from version 20.10 to 21.04 through the UI but it failed (unfortunately I don't remember the ...
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User with encrypted home getting frozen

I have two latops, on each of them I have a user without encrypted home folder. I wanted to encrypt the home folders of these users so I followed this tutorial. These two are completely different ...
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cryptsetup: Waiting for encrypted source device problem

I know this has been asked before,but I don't have the technical know-how to perform any of the fixes nor do I know where to start. I turn my laptop on and it boots up to the GNU Grub whereas before ...
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Not able to access an encrypted partition from a persistent Live Ubuntu Installation

I installed a Live Ubuntu 20.04 with persistent storage on a USB (a). And I have been using it very well until now. However, when I tried to access another USB (b) with an encrypted partition, I got a ...
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how to remove the master password for the alpine pine e-mail client?

referencing: https://comp.mail.pine.narkive.com/UcMK4NZG/suppress-master-password-prompt how is the master password prompt suppressed? If memory serves this is indeed possible. As I recall, the file ...
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Recovering data from a LUKS partition

I’m pretty new to Linux and Ubuntu I don’t know a lot of things maybe some of the basic things but I was wondering if anyone could help or help explain how I could recover data from a LUKS encrypted ...
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Accessing from local Ubuntu a remote encrypted external drive connected to remote Windows

In a remote location there is an external drive that was encrypted like that: https://ubuntuhandbook.org/index.php/2015/04/encrypt-usb-stick-linux/ Also in the remote location there is a Windows 7 ...
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Is it safe to delete “/crypto_keyfile.bin”?

I use Lubuntu 20.04 with full-disk encryption. # lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 20.04.2 LTS Release: 20.04 Codename: focal Each time I boot, there is a one ...
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losetup creating encrypted loop device

I'm running a script I found at github.com/rufferson/pureos-pinephone/tree/fd5ecbc2e6b8452545dd93db5235a6e20443071c to convert a Pinephone 64 3GB .img file to a PureOS .img that the PP 64 can boot. ...
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Libre Office Writer Encryption & Password not working

Problem with LibreOffice or Ubuntu Keyring or missing Dependencies. ODT test file Save-As The checkbox(s) for "encrypt with gpg" is available and seems to encrypt with a keyring fine but ...
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Full Disk Encryption (/boot included) - Ubuntu 18.04 LTS

Trying to do "Full Disk Encryption" using LUKS/dm-crypt on Ubuntu 18.04 LTS with "/boot" partition encrypted as well. I've found this tutorial that is explaining quite well how to ...
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How to let Chrome Remote Desktop run with encrypted /home before login

Background: I have a headless system put on a public place. I installed Chrome Remote Desktop on it, so that it can automatically launch several desktop applications after boot, and I can connect ...
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Use of revocation certificate as id.rev

Good afternoon everyone, I ended up losing my passphrase to access my GPG key, but because I used the most current version when creating it, an ID.rev recall file was generated in the openpgp-revocs.d ...
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Encrypt Kali and Ubuntu in Dualboot

I have a fairly large hard disk and am trying to dual boot Kali Linux and Ubuntu with encryption. My problem is that depending on which OS I created as the last one, I can only boot the last one and ...
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396 views

Ubuntu 20.04 / 21.04 stuck in grub after encryption

SOLUTION: The problem originates from large initrd.img files (~100MB) generated with MODULES=most that can't be loaded due to size limitations. This can be solved by switching to MODULES=dep which ...
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How do I resize a LUKS encrypted partition to dual boot windows?

I want to dual boot my pc with windows, since I got a key recently and I wanted to use software like photoshop without those sketchy gimmicks (and games, of course), and I currently have Pop_OS ...
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chpasswd encrypted option failing in Ubuntu Core 20

I have an Ubuntu Core 20 VM. using the below script file adding a user and trying to change password with below lines of code. script file is executed with root access File.sh: user="test" ...
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Deja Dup risk of data loss

I'm currently using Deja Dup ("Ubuntu Backups") to create backups of my data. However when reading around I see a lot of issues of people being unable to restore their backups in case the ...
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How can I make an encrypted file / directory? (Ubuntu 20.04 LTS)

I have a Lenovo pc and am running Ubuntu 20.04 LTS. I would like to encrypt a file or directory on an external-HDD attached to the pc via USB port (to store data that should be VERY VERY SECURE). How ...
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Mount LUKS encrypted Disk from old OS

Hey wonderful Ask Ubuntu Community, on my new Laptop I want to access the LUKS encrypted data on some old hard drives which where used in my old computers. Long story short: Unfortunately it seems I ...
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Why won't a new Ubuntu 20.04.2 install mount old encrypted home directories? [duplicate]

I keep home directories on a separate /home partition. When I reinstall Ubuntu (generally Ubuntu-Mate), I format the root partition but keep /home and create user accounts in the same order with the ...
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Create VMDK disk and crypt with LUKS and mount in fstab

Create a VMDK file (virtual disk), 100GB (self-expanding, that is, the file size grows as you add data). Configure it to encrypt with LUKS. Put it in the fstab to mount automatically. How to do it ...
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encrypted space problem in my system storage

I am using double boot in my PC , so whenever i switch on my Ubuntu system my windows is off , but i cant acccess my file that was present in windows , Ubuntu have limited space , please suggest me ...
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Encrypted /home but does not ask for password

I have installed Ubuntu 21.04 on my laptop and after installation I have encrypted my /home partition as described in this tutorial: https://www.howtogeek.com/116032/how-to-encrypt-your-home-folder-...
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Slow boot on version 20.10 after installing xanmod kernel

I tried disabling the network manager service with no luck. It takes over a minute a half to boot. Here is the output from systemd-analyze critical-chain graphical.target @1min 35.521s └─multi-user....
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LUKS disk encryption with mandatory Yubikey

I've read most of the tutorials on the internet about Yubikey, consumed a lot of coffee in the process, and still, haven't found a way to configure Ubuntu 20.04 and\or Yubikey in order to have a ...
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Does EncFS safely manage maximum filesize differences between target and source storage devices?

EncFS allows you to transparently encrypt data to the cloud or to external storage, as described in an answer to another question here: How to encrypt external devices using a cross-platform solution?....
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Launchpad won't let me confirm my OpenPGP key - Confirm button doesn't work

I sent my OpenPGPkey to launchpad and received the encrypted confirmation instructions. I decrypted that and clicked on the link under "Please go here to finish adding the key to your Launchpad ...
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Encrypted install: encrypt the local SD card backup

Introduction I have installed kubuntu 20.04.2 on my laptop using the excellent tutorial here: Encrypted custom install This works fine so far, the system boots well and the decryption offers a nice ...
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Using SanDisk USB SecureAccess through Wine? If not possible, what are some good encryptions for USB between Linux and Windows?

I am trying to access the encryption .exe in the SanDisk SSD via SanDiskSecureAccessV3.01_win.exe file on the USB drive and opening it through Wine, by opening it through Wine Windows Program Loader. ...
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Install another OS in double boot when I have Ubuntu in encrypted partition

I have installed Ubuntu 20.10 with the "encrypted" option on. Now I believe that in my disk there is an outer "container" with LUKS2 and an ext4 partition with the OS inside it. ...
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739 views

What is the recommended method to encrypt the home directory in Ubuntu 21.04?

Installing Ubuntu to a new Notebook, I was surprised that I wasn't offered the option to encrypt the home directory any more. I found some vague information that Ubuntu dropped ecryptfs support a ...
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With luks, when is the actual encryption or decryption performed, within the luksFormat, luksOpen, or during the filesystem creation on /dev/mapper?

I got curious to know when the encryption/decryption task actual starts, to get a better understanding of the inner workings of luks. I started wondering this when using detached headers, I tried (...
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Encrypting root partition with included swapfile

I want to encrypt my Ubuntu root partition. This partition currently includes the /boot folder, the swapfile and my home folder (let's call this partition sda9). I found a solution to move my /root ...
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324 views

How to delete/modify the recovery key from the Ubuntu 21.04 encrypted disk install?

When installing Ubuntu 21.04 with encrypted disk (filesystem: zfs) a 16 digit "recovery key" is automatically created, how do i get rid of/modify it? I am looking to: list installed keys ...

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