Questions tagged [luks]
Questions specific to LUKS (Linux Unified Key Setup) disk-encryption specification in general, such as setup questions or questions about how LUKS works. Use this tag if your question directly involves the LUKS disk encryption; do not use it if you just happen to be using an encrypted LUKS disk and your question is about a specific Linux configuration.
870 questions
1 vote
1 answer
73 views
Debian LUKS error with Dolphin, Thunar, and Nautilus: 'bd_crypto_luks_open_blob called but not implemented', cannot open LUKS partition/device
I am trying to open an encrypted LUKS partition on a USB stick and a hard drive under Debian using Dolphin, Thunar, and Nautilus, and I get the message: bd_crypto_luks_open_blob called but not ...
- 10.2k
7 votes
4 answers
2k views
Does the content of LUKS disks become encrypted again at unmount or at power-off
It is clear that when a LUKS disk is mounted and the password/key has been provided, anyone with direct access to the computer can access the files in decrypted form. I am wondering if unmounting the ...
- 71
3 votes
1 answer
114 views
Resizing encrypted system partition on Linux Ubuntu
How can I resize an LUKS encrypted system partition? Is it as simple as resizing (shrinking more specifically) using a tool such as Gparted? I found some guides, but they all assumed a LVM layer, ...
- 31
2 votes
1 answer
141 views
GRUB won't boot from LUKS2 encrypted BTRFS partition
I'm trying to install Ubuntu 25.10 Desktop with encrypted /boot. At the end I'll always get redirected to GRUB shell, without any password prompt, and unable to cryptomount root partition, insmod ...
- 151
0 votes
1 answer
175 views
mkfs.ext4 deleted my filesystems, how can i recover data?
Iam trying to recover my data and need help/advice on how to do it. The details of my issue are as below My disk was partitioned as below - sda1 - 487MB, primary bootable type 83 sda2 - 240G , ...
- 21
0 votes
0 answers
64 views
How to add an unencrypted boot partition to a LUKS/LVM vg?
I've been using Ubuntu Studio 24.04 LTS on my desktop computer for some time now. Recently, after a software install went bad (DaVinci Resolve, but that's another issue...), the machine was corrupted ...
- 101
4 votes
2 answers
416 views
Replacing a 500GB SSD LUKS/LVM drive in place with 1TB SSD
I have a ThinkPad T520 running Fedora with a single 500GB SSD drive. The drive has two partitions, a small boot partition and the rest devoted to a a single LUKS one. The LUKS partition is managed ...
- 180
2 votes
1 answer
198 views
Problem mounting btrfs Luks-encrypted Fedora 42 system on Live-USB
Some key facts first about my PC: first SSD with Fedora 42, Kernel 6.15, Luks encrypted, btrfs second SSD with Windows 10 2TB HDD with just storage Bios: Fast Boot is disabled, Windows UEFI mode (not ...
- 21
-1 votes
1 answer
173 views
Our server has been luks encrypted on its own [closed]
We have a customer oracle 8 server that has been running for over 5 years. We received a call that there was an issue, we could not remotely access the server so we did a physical visit and found this ...
- 107
7 votes
2 answers
616 views
df with a given filename return a filesystem name which is not in the list of all filesystems given by df without any parameter
When I execute the df command without parameters, I get the following list of file systems: Filesystem 1K-blocks Used Available Use% Mounted on devtmpfs 8112420 0 8112420 0% ...
- 173
4 votes
1 answer
358 views
LUKS keyslot damaged?
I have two LUKS-encrypted SSDs in my laptop: one is the system SSD (nvme0n1), which contains my Home folder encrypted with eCryptfs, and the other is a Data SSD (nvme1n1), which is fully LUKS-...
- 41
3 votes
2 answers
395 views
Correct permissions for a LUKS key file
journalctl -b shows: systemd-cryptsetup[1807]: Key file /some-path/keys/sda1.luks is world-readable. This is not a good idea! … systemd-cryptsetup[1807]: /some-path/keys/sda1.luks has 0644 mode that ...
- 410
0 votes
0 answers
61 views
How to set up dual boot with Pop!_OS and Arch Linux on encrypted partitions?
I currently have Pop!_OS 22.04 installed on an unencrypted ext4 partition. I want to set up a dual boot system where both Pop!_OS and Arch Linux use encrypted partitions. Current setup: nvme0n1p1: ...
1 vote
1 answer
98 views
Can a LUKS volume on a USB drive be opened at boot?
I have a new install of Debian 13 with a LUKS-encrypted hard drive (/dev/sda) with LVM. I am trying to add another encrypted drive to the LVM volume group as a new physical drive. For this, I am ...
- 371
-2 votes
1 answer
150 views
What things can i do with a gpu? [closed]
Is there a way to use a NVidia GPU for: Compress/Decompress a .rar Archive? Create and open a LUKS Device? Compile Code with GCC? Or for what computationally intensive tasks can i use a gpu with linux?...
- 241