Questions tagged [encryption]
Questions about encryption such as home folder encryption, partition encryption and file encryption.
2,041
questions
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Making a password avaible during fixed time intervals
I would like to store and encrypt a password that I can access only during specific time intervals, such as after 9 pm. (The reason being that I force myself to stick to behavioural commitments, ...
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How can I install GRUB to an external device to boot an internal FDE install?
I have a Dell Latitude e7250 which doesn't officially support NVME via UEFI and thus has no bootstrapping for it. I installed a Toshiba RC100 2242 NVME drive in an M.2 slot designated for WWAN cards ...
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1answer
15 views
How to prevent clone my application what hosted in Apache server using Ubuntu 16.04?
I have web application working offline it hosted in Apache server using Ubuntu 16.04.
How can i prevent any copy of my application files even with any live CD or try Ubuntu?
i tried disk encryption ...
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16 views
wrong keyboard layout for disk encryption
My keyboard layout for disk encryption is somehow set to cyrilic after my update last night, and my login is in english keyboard. How to change it back?
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cryptdisk login fail after today's upgrades
Ubuntu doesn't recognize the cryptdisk passphrase after update today:
warning: failed toconnect to lvmetad.falling back to device scanning.
volume group ubuntu-vg not found.
cannot process volume ...
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22 views
Device Notifier does not recognise my usb, system recognises
I have a recent problem with my USB flash drive. It is not recognised in Device Notifier, but when I run:
sudo fdisk -l
It shows the exact drive:
Disk /dev/sda: 231.1 GiB, 248145510400 bytes, ...
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1answer
45 views
Transfer encrypted Ubuntu from old hdd to new sdd
I have Ubuntu 18.04 with luks-encryption installed on the old hard drive. I do not hide anything, just during the installation I was asked to set a password, and I did it. I decided to upgrade and ...
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16 views
Disable encryption of LUKS partition (sda5_crypt) [duplicate]
I get the options to change the passphrase when I open the 'Disks' utility. However, I'm curious to know how to remove the passphrase (with encryption still happening with auto-decrypt on boot) or how ...
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1answer
52 views
Full Disk Encryption: Swap Partition Not Used?
I followed the ManualFullSystemEncryption guide to set up my ubuntu 18.04 system. It all worked well, and the result is I now have a fully operational Ubuntu install with FDE.
Part of my setup is a ...
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30 views
Self-encrypting NVME drive recommendations?
We work with sensitive data. We must have encryption, and performance is a primary consideration. We'd really like to allow the developers to have their choice of working in Windows or Linux.
I'm a ...
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1answer
36 views
Encryption key input screen does not appear during boot
I am running Ubuntu 18.04 and enabled device encryption during installation. Previously, there came up a nice looking screen and asked for the passphrase for decrypting the drive. I tried to uninstall ...
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1answer
33 views
Shrink encrypted home partition
My current partition setup looks like this
$ sudo df -h
Filesystem Size Used Avail Use% Mounted on
udev 7.7G 0 7.7G 0% /dev
tmpfs ...
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1answer
32 views
Ubuntu 18.04 can't make it to sign in after encryption
I have an Alienware M14r2 that I am running Ubuntu 18.04 on. I thought it would be neat to install it with encryption, so I did. It worked fine until today. The only change that has happened was ...
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51 views
Encrypt system during the installation manually SSD+HDD -|- /ROOT+/HOME
I have 128GB SSD and 500GB HDD on my laptop.
I want to install my main OS on SSD /root and for storing media my HDD 500GB /home /downloads /pictures /videos /documents /music with full encryption on ...
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32 views
Ubuntu Core: Is it possible to use an external encrypted file system?
I am playing with a Raspberry Pi 3 and Ubuntu Core. One of the requirements I have for taking it into a more serious use, is the capacity to manage encrypted drives, like mounting them during the boot ...
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43 views
fscrypt home encryption and ssh key based authentication results in 'Required key not available'
I am trying to set up encryption on my home folder using fscrypt 0.2.0 on Ubuntu 18.04.3. I have followed instructions here to set things up. For ssh key based authentication, I followed instructions ...
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25 views
Ubuntu 19.04 Cannot Boot - Stuck on bpfilter
First and foremost, I have already tried the solutions featured here however none have worked for me. Just a little background on my system, I am on the most up to date version of ubuntu and my hard ...
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86 views
Slow booting in Ubuntu 19.04 with full disk encryption
I have an 960GB SSD (Kingston A400) installed on my laptop (Asus X505BA). I installed Ubuntu 19.04 with full disk encryption. I also have enabled fast boot and secure boot in the UEFI settings. My ...
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Is my LUKS header damaged? “Device… is too small…”
It's a 38 GB partition, still showing in fdisk as 38 GB.
On entering
$sudo cryptsetup luksOpen /dev/sdb2 ext
I get:
Device /dev/sdb2 is too small. (LUKS requires at least 1049600 bytes.)
I can't ...
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30 views
No wifi icon on router reboot only LAN icon
When I reboot my router I get no wifi icon instead I only see a LAN icon. Since the connection to the internet continues to work, is the data still sent over wifi to the router being encrypted?
I am ...
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34 views
Disk Encryption cryptsetup, Failed to initialize device signature probes. Command failed with code -1 (wrong or missing parameters)
sudo cryptsetup --verbose --verify-passphrase luksFormat /dev/sdb1
brings up the following error:
Failed to initialize device signature probes.
Command failed with code -1 (wrong or missing ...
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55 views
Can't unlock home folder; Encryption password no longer works
I've been using Ubuntu 16.04.5 LTS on my HP ProBook 470 G3 for about 2 years now with my home folder encrypted and my password now suddenly doesn't work anymore.
I didn't perform any upgrades or do ...
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git access to ecryptfs encrypted folder
As per a requirement, I have encrypted the project folder in my PC using ecryptfs using the steps given in THIS link.
Now, I see that I have lost git access to the folder. Now, when I give any git ...
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19 views
Drive encryption with OS on SSD and /home on HDD in Ubuntu 18.04 [duplicate]
I am trying to prepare an Ubuntu workstation for a colleague, which for storage has both a smaller SSD and also a larger HDD.
I would like to use the SSD for the root partition, and the HDD for the /...
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31 views
How do you install Ubuntu on an external drive with luks encryption?
as the title says I want to do a installation of Ubuntu with luks encryption on an external drive. the problem is that the Ubuntu installer assumes you want to install to the internal drive unless you ...
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1answer
57 views
How can I run a sudo command as sudo (!) without password? (cryptsetup needs to be run as sudo in order to use kernel module 'device-mapper')
Solved
Besides not commenting the #includedir line in /etc/sudoers out, editing
sudoers.d/myOverrides with sudo visudo -f /etc/sudoers.d/myOverrides, and using the syntax I first tried, did the ...
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51 views
crypttab/cryptsetup ignoring CRYPTDISKS_MOUNT, for VeraCrypt using keyfile on usb pendrive, on Ubuntu 18.04.2
I have a NTFS partition encrypted with VeraCrypt with no passphrase, only a keyfile. I want to use the partition to share data between Windows and Ubuntu.
I'm trying to unlock the partition at boot ...
3
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0answers
152 views
How to create Live USB Ubuntu Encrypted with LUKS?
I will create a bootable Ubuntu USB flash disk and I want to know if it's possible to encrypt this usb flash disk with LUKS, so when I boot it to run linux, before entering my user password it asks ...
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161 views
Ubuntu 19.04 - blank screen after boot
My computer is a Dell XPS laptop.
I was able to us my Ubuntu 19.04 installation without any problems, but today while working it started to act strange. Every command I would enter into the terminal ...
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55 views
System recovery: can’t manipulate encrypted files
Something has used up all the disk space on my home directory and caused my computer to freeze up. I tried to reboot and the system would not do so, and I then booted into recovery mode.
Using the ...
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41 views
is there a way to cross-platform encrypt a drive, so my disk works across macOS and Linux?
I've been working on an SNES-Styled RPG video game project for the past 2 years now, and shortly after I purchased my first flagship laptop, an i7 Dell Inspiron 7570 currently running Ubuntu 19.04 ...
3
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1answer
175 views
Unable to configure Kgpg kwalletmanager
Just installed Ubuntu 19.04 minimal with
apt install plasma-desktop sddm kwin --no-install-recommends
All good. Installed Brave Browser as described here.
Now opening brave, it opened "KDE wallet ...
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0answers
38 views
Are my hard drives encrypted?
New to Ubuntu Server, please forgive my ignorance.
When I installed Ubuntu 18.04.2 LTS Alternative. I selected "Guided - use entire disk and set up encrypted LVM".
I now am adding two hard drives ...
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30 views
How to move a partition from /dev/kubuntu-vg to /dev/sdax
I want to install windows alongside my encrypted
kubuntu installation and I am having some issues.
What i tried doing was booting into a live usb, decrypting the encrypted drive and then shrinking /...
1
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1answer
66 views
Is it really possible to intrude a fully ENCRYPTED Hard Drive? (Encrypted since installation of ubuntu 18.04 OS) [duplicate]
So I`m using ubuntu 18.04 LTS almost on every machine that I use in my lifetime.. WHether for programming, storing sensitive information, financial transaction, entertainment so on and so forth!!..
...
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1answer
32 views
Upgrading a 16.04 server to 18.04 with a secondary fully encrypted drive
As per the upgrade notes:
N.B., If you require multipath, full-disk encryption, or the ability to re-using existing partitions, you will want to continue to use the alternate installer which can be ...
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25 views
Decrypt Volume while bootup with keyfile OR password
A dynamically growing .img-file is mounted to my user's home directory. Its file system is btrfs and it's encrypted via LUKS.
Keyslot 0: A file created by
dd if=/dev/urandom of=<some file> bs=...
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70 views
Booting right to BusyBox/initramfs. Running LiveCD but encrypted drive “cannot mount, possibly corrupted filesystem”. Any way to recover files?
[ISSUE/INFO] When I boot up my computer which solely runs Ubuntu 18.04, I am given the prompt to unlock my encrypted hard drive sda5_crypt and type in the password as usual. Immediately after I do so, ...
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33 views
Layers of confusion about Deja-Dup encrypted backups
I've been happily rolling along with my Deja-Dup backups to remote Google Drive for a month or so. At some point, I may or may not have entered a passphrase. I may or may not have had a GPG key at the ...
1
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1answer
45 views
Unable to decrypt LUKS USB stick on different computer
Background info
Computer one:
OS: Ubuntu 18.04,
Username: userone.
Computer two:
OS: Lubuntu 18.10,
Username: usertwo.
The problem
I am having problems with a LUKS encrypted USB stick.
The USB ...
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0answers
89 views
Ubuntu 18.04 randomly encrypted swap
I recently did a clean install of 18.04, following the procedure detailed here to set up a swap partition encrypted with a randomly generated key. This procedure is described for 14.04 and worked for ...
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0answers
34 views
Is it possible to access window10 bitlocker encrypted partition in ubuntu with TPM?
I have a laptop installed both windows10 and ubuntu. The windows partitions are encrypted by the bitlocker. If I understood the windows manual correctly. The bitlocker fetches key from TPM and decrypt ...
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0answers
33 views
How to get the peer IP address and encryption domain IP address from Vultr
I was assigned to integrate a web recharge gateway and I am required to setup a VPN and subsequently submit the peer public IP, encryption domain public IP, test IP and production IP of the VPN to the ...
0
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1answer
28 views
Why encryption functionalities are not showing up in Disks utility
I have been trying to encrypt an external hd but I do not get the encryption option in Disks when I start the formatting process.
I have installed cryptsetup but I still does not work
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30 views
How to encrypt NTFS folder to be accesible from Linux and Windows [duplicate]
I have a dual-boot Ubuntu/Windows system with each OS having its own "private" partition and one common NTFS "data" partition shared between both systems.
I would like to encrypt one of the ...
2
votes
1answer
130 views
How can a reuse an encrypted SSD?
I bought a laptop on ebay that had a broken screen, didn't appear to have ever been opened before, and upon opening it, I found an SSD inside that I would like to format and use.
Gparted (and other ...
0
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1answer
107 views
Automount encrypted fs with selfcompiled ZFS
I am currently trying to change over a data dump server running 19.04 from LUKS+btrfs to ZFS.
The system drive is LUKS-encrypted and can be decrypted via SSH. It contains a key file that is supposed ...
0
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0answers
74 views
grub-probe cannot find luks partition
I'm running through the commands for grub-mkconfig, and one of the eventual commands is the use of grub-probe to figure out the disk uuid of a cryptodisk_uuid.
I have a luks partition but grub_probe ...
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22 views
SSH Tunneling as Encryption and Authentication for Local Service
Background:
On my server there is a service running that listens on a domain socket at /srv/socket for incoming connections and then interacts with the user that connected. Please note that this ...
0
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1answer
103 views
Confirm if entire drive is encrypted on Lubuntu 19.04
As a noob to Linux I do not know if it is possible to encrypt whole drive with current calamares installer
I did a fresh install of Lubuntu with these options in calamares
erase disk +encrypt ...
