Questions tagged [cryptsetup]
cryptsetup - setup cryptographic volumes for dm-crypt (including LUKS extension). cryptsetup is used to conveniently setup dm-crypt managed device-mapper mappings.
162
questions
1
vote
0
answers
115
views
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-...
0
votes
0
answers
71
views
cryptsetup unlock skips pressed keys - first attempt fails
I have a strange problem. When I try to unlock my LUKS volume at boot, the first unlock attempt almost always fails, even though I enter the correct password.
It turns out some key presses are not ...
-1
votes
1
answer
172
views
Going from full encrypted system to unencrypted /boot and encrypted / - how to be asked for the passphrase?
I had a fully encrypted system with /boot and / on the same device (/dev/sd8 is root). / contained a keyfile under /etc/luks/ so that I only needed to enter a passphrase when GRUB started, not ...
0
votes
0
answers
129
views
cryptsetup not recognizing `tries` option from `/etc/crypttab`
I've successfully set up Ubuntu (Kubuntu 22.04, to be more precise) as a secondary OS, next to Windows 10, on a LUKS-encrypted drive. (Single BTRFS partition in LUKS container)
I've not done this ...
0
votes
1
answer
2k
views
Is there a way to enable or configure Full Disk Encryption (LUKS) after installing Ubuntu?
Is there a way to enable or configure Full Disk Encryption (LUKS) after installing Ubuntu?
1
vote
1
answer
592
views
Change keyboard layout for full disk encryption login
My work recently installed Ubuntu 22.04.3 LTS on a laptop of mine with full disk encryption using cryptsetup (I would have preferred to install it myself, but I wasn't given the choice...). The ...
0
votes
1
answer
921
views
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 ...
0
votes
0
answers
91
views
LUKS Container lost due to partitioning by Windows?
I plugged a HDD with a LUKS container on it into Windows and opened the Disk Manager. A dialog appeared where I clicked "Format as GPT", not knowing what I was doing. Apparently Windows wasn'...
0
votes
0
answers
104
views
ecryptfs-setup-swap made a swap that is in clear text to root
I am running Ubuntu 22.04 LTS on a MacBook Air, SSD, using LVM without encryption.
The original swap was mapped to /dev/dm-1.
After running ecryptfs-setup-swap, the new swap was mapped to /dev/dm-2 ...
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
views
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
views
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 ...
0
votes
2
answers
1k
views
Preventing Ubuntu from asking for password for encrypted data partition at startup (Ubuntu 20.04)
I'm using Ubuntu 20.04.
I have a (LUKS) encrypted partition that I do not want to be prompted to mount on startup (at minimum, not providing a password for it on startup should not block the system ...
0
votes
0
answers
509
views
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 /...
0
votes
0
answers
546
views
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 ...