Questions tagged [luks]

LUKS stands for Linux Unified Key Setup, a disk-encryption specification. (It does not refer to Rodopi Luks cigarettes!)

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How can I access volumes encrypted with LUKS/dm-crypt from Windows?

The answer to this question used to be FreeOTFE (https://en.wikipedia.org/wiki/FreeOTFE); sadly, the project has not been updated for three years and its website (http://www.freeotfe.org) is no longer ...
Mark Raymond's user avatar
26 votes
4 answers
26k views

How to mount an encrypted ext3 filesystem under OS X?

I know how to mount an ext3 filesystem in OS X with MacFUSE and fuse-ext2. But how can I mount an encrypted ext3 volume? I have Mac OS X 10.6 "Snow Leopard" running.
viam0Zah's user avatar
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8 votes
3 answers
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How can I reinstall Ubuntu focal 20.04 on an existing LUKS encrypted system?

I'm a very long time Ubuntu user (over a decade) but have not been here as I've had no issues with Ubuntu. With the arrival of Ubuntu 20.04 LTS I decided to encrypt my data (or system if needed). I'm ...
LiCa's user avatar
  • 111
7 votes
3 answers
9k views

Move a LUKS partition to the left and resize it

I have a LUKS encrypted partition that is NOT into an LVM volume manager. It's at the end of the hard drive, and its size is 250 GB, but I want to add 50 more GBs to it. I would normally use GParted ...
depau's user avatar
  • 173
5 votes
2 answers
2k views

Is it possible to add a key to an open luks volume whithout providing a current key?

As the title states, I need to know if there is a method to add a key that doesn't require the user to retype the password / provide a keyfile for an already open luks volume. I'd actually need to ...
user avatar
4 votes
2 answers
5k views

Migrating from unencrypted Ubuntu 16.04 to LUKS Encrypted install of 16.04

My company is working on implementing some Ubuntu Systems in a few of their new testing efforts and I have been tasked with an encryption solution for them. Having been a primarily Windows user with ...
Brendan77222's user avatar
3 votes
1 answer
5k views

Is LUKS/cryptsetup's `hddname` (or `name`) simply an arbitrary label used during the session

This is a very simple question about LUKS encryption. My Fedora 15 system uses LUKS over the root, home and swap LVM partitions. To access these partitions from a boot cd, for example, its necessary ...
xtian's user avatar
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3 votes
1 answer
721 views

LUKS Cryptsetup Options Failing for Raspberry Pi 3 Model B+ Running Kali Linux ARM

I've scoured the internet for help on this, and it seems I'm one of the only people with this problem. I recently downloaded a fresh copy of Kali Linux ARM for the Raspberry Pi 3 Model B+, and I want ...
computer_geek64's user avatar
3 votes
1 answer
2k views

How to automaticaly mount luks-partition only when disk is plugged in

I have the following scenario: I want to automatically backup some data from my Laptop(Fedora Core 17) to a external encrypted(luks) hard disk. The disk can be opened by a key file, which lies on the ...
Frederick Roth's user avatar
3 votes
1 answer
1k views

How to find my LUKS encryption passphrase inside decrypted filesystem?

I have lost my encryption passphrase, however my computer is still on and I would like to know if there's a way to see my passphrase to avoid having to backup my data and reinstall. The hard drive was ...
Kanilor's user avatar
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3 votes
2 answers
1k views

If an old LUKS header with a compromised key is recovered, can it be used to read data?

From what I understand, even when data is overwritten on disk there is a possibility of it being recovered. From what I also understand, replacing/deleting a LUKS key is fast/trivial and does not lead ...
yar's user avatar
  • 391
3 votes
1 answer
7k views

dm-crypt+luks: Can I have a separate header without storing it on the luks encrypted device?

I would like to encrypt my external hard drive with dm-crypt+luks, but I am not satisfied with all the information, that the LUKS header is providing in plaintext. So I would like to keep the LUKS ...
user1861174's user avatar
2 votes
0 answers
473 views

LUKS encrypted drive not booting after modifying partition table with TestDIsk

I screwed up my partition table the other day but had recovered it with TestDisk. After re-writing the partition table, I'm able to boot up into GRUB and subsequently the interface for entering my ...
Moo's user avatar
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2 votes
2 answers
2k views

LUKS encryption with non-interactive login on RHEL6

I need to have LUKS encryption on this system but during lab development I don't want to have to enter the password at the console each reboot. I'd like a way to set a simple password that can be ...
sp00led's user avatar
  • 91
0 votes
1 answer
1k views

Why does LVM HDD fail "mount" command when booting from CDROM?

Currently I have a superuser post asking if I can install/upgrade existing LUKS/LVM without having to erase and rebuild the partitions. This has provided instructions to mount the HDD, but there are ...
xtian's user avatar
  • 995
0 votes
1 answer
682 views

Hide LUKS partition on USB drive from Windows 10

Following advice given on https://meta.stackexchange.com/questions/209397/where-do-i-ask-questions-about-the-windows-os I am posting my question here For my 16 GB USB drive I created a GPT with 2 ...
Benj's user avatar
  • 101
0 votes
1 answer
1k views

LUKS encrypted volume lost upon reboot

Using this guide I encrypted a volume and am able to open and mount it manually. The problem comes after rebooting. On startup the system does not open the encrypted volume, nor is the decrypted ...
a coder's user avatar
  • 453