All Questions
Tagged with encryption cryptsetup
79
questions
1
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0
answers
115
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unlocking LUKS root partition with FIDO2 Yubikey (and ideally without dracut)
I enrolled my FIDO2 Yubikey device as a way to unlock my encrypted partition:
/etc/crypttab
dm_crypt-0 UUID=78768999-69dd-44ba-8858-dd0c2ecbc2b5 none luks
dm_crypt-0 UUID=78768999-69dd-44ba-8858-...
- 781
0
votes
1
answer
921
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Prompted for luks encryption password on boot despite specifying a keyfile
I have a working installation of Kubuntu 22.04 on a LUKS encrypted
ext4 partition of device nvme0n1. When I boot up my computer, it
prompts me for the encryption password before proceeding to boot ...
- 113
1
vote
0
answers
313
views
I've deleted cryptsetup-initramfs
I'm running Ubuntu 20.04 (5.15.-10088.98) with LUKS LVM and have done something stupid.
I've tried sudo apt upgrade and get the following problem:
I: The initramfs will attempt to resume from /dev/dm-...
0
votes
1
answer
489
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Ubuntu encryption during installation
For the first time while installing Ubuntu 23.04 I clicked the button for encryption. For bad luck the installation got stuck, so now I have an encrypted Lenovo laptop and I can't decrypt mmcblk0 even ...
0
votes
0
answers
1k
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How do I install Ubuntu 23.04 on an encrypted Btrfs filesystem?
I currently use an encrypted Btrfs filesystem (cryptsetup+luks), which I could set up easily using the Ubuntu 22.10 setup. With Ubuntu 23.04, I only managed to install it on an encrypted LVM+ext4 ...
- 183
0
votes
0
answers
509
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Kubuntu update-initramfs results in: ERROR: Couldn't resolve device /swapfile
Lately, I did a fresh install of kubuntu (coming from linux mint) where I also encypted the drive and swapfile. During booting I got the error:
Cryptsetup waiting for encrytped source device /...
- 81
0
votes
0
answers
546
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LUKS full disk encryption fails from boot but live-CD is able to unlock partition - Kubuntu 22.04.1 LTS
When trying to boot with Kubuntu I can't get the root to decrypt. That is an old installation that worked for months. I can't remember what was updated before it stopped working.
I've verified that it ...
- 1
1
vote
0
answers
341
views
How to unlock encrypted drives on a headless server?
I'm planning a homemade NAS-build with the following features:
Standard Ubuntu server installation with SSH server
Two Btrfs RAID1 drives on encrypted HDDs with dm-crypt
NFS shared folders from ...
- 990
2
votes
1
answer
3k
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How can I rebuild etc crypttab?
tldr: My /etc/crypttab went missing and I do not know how to rebuild it.
I tried to upgrade from 20.04 to 22.04 and something wrong. When booting I just landed in initramfs. Never heard of that. After ...
- 115
2
votes
2
answers
1k
views
LUKS/Cryptsetup possibly corrupted after hard shutdown
My laptop is a a Dell Precision 5560 running Ubuntu 20.04.3. It has LUKS disk encryption set up on it.
About a week ago, it completely froze (I'm not sure why) such that my only recourse to get it ...
- 25
0
votes
1
answer
907
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How to encrypt a partition and protect the key file
A Linux machine has a partition with sensitive data. The goal is to prevent one from booting up from a live usb and mounting the machine's hard drive and copying the data.
The partition is encrypted ...
- 21
7
votes
2
answers
7k
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Configure Ubuntu 22.04 (ZFS) for automatic LUKS unlock on-boot via USB drive
I've freshly installed Ubuntu 22.04 and used the ZFS+LUKS full drive encryption option from the installer.
I've been searching around on the web for a way to configure the drive to unlock ...
- 101
1
vote
0
answers
1k
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Problem : Custom linux kernel and crypto
I followed this topic to build the new kernel 5.15 on my laptop dell with Ubuntu 20.04.3 and its kernel 5.14.0-1008-oem. Unfortunately, I have some difficulties to build my new kernel because of my ...
- 139
1
vote
1
answer
2k
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cryptsetup: Waiting for encrypted source device after the motherboard has been replacement
I have a dell xps laptop: the ram was faulty and the motherboard has been replaced.
The problem: My hard drive was encrypted and now I am not able to recover it. I am using Ubuntu 20.04.
Booting ...
1
vote
0
answers
126
views
Recover my data from an encrypted luks disk, error while analyse
I tried to encrypt my external hard disk with LUKS but the disk header is buggy.
So I followed the method described here
https://unix.stackexchange.com/questions/281349/mount-error-when-automounting-a-...
- 11