cryptsetup - setup cryptographic volumes for dm-crypt (including LUKS extension). cryptsetup is used to conveniently setup dm-crypt managed device-mapper mappings.

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Why are some of my devices in /dev/mapper symlinks while others aren't?

I have the following: ls -l /dev/mapper ...[snip] lrwxrwxrwx 1 root root 7 May 15 03:21 md1_crypt -> ../dm-0 lrwxrwxrwx 1 root root 7 May 15 03:21 md2_crypt -> ../dm-9 brw-rw---- ...
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Error while setting up an encrypted partition with cryptsetup

My goal is to install Ubuntu encrypted on a server with the help of the recovery console (from the hoster) via debootstrap. So I run the recovery console, which boots a live system (therefore I cannot ...
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44 views

LUKS and loop device

I read a lot of tutorials about LUKS/dm-crypt/cryptsetup, in particular about how to create an encrypted file container. First step is to create the file with dd. Then some tutorials map the file to ...
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91 views

Lost LUKS partition, failed partition restore

and thanks for your time. I'm a bit over my head, so I think it's time to ask for help. I had a Tails USB drive, with a LUKS encrypted partition. I accidentally deleted the partition tables in ...
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156 views

Not accepting the crypt disk password at boot to unlock the disk for ubuntu 14.04

This is really a major issue. Check what happened. Please Help me with a solution... I had windows 7 installed in my laptop. I decided to install ubuntu 14.04 and remove windows 7. So while ...
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112 views

update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
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321 views

Encrypted disk kernel warning - initramfs image won't boot

After an upgrade to 14.10 on my netbook, I can only manage to boot with the old kernel remaining from the previous 14.04 installation. For the most recent kernels, I get this warning when they are ...
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145 views

Auto mount encrypted FS with grub2

I have been looking for a way to mount my encrypted partitions automatically during boot up, without asking for password. my setup for this process.. USB key: /boot partition /boot/efi partition ...
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91 views

Problem after using LuksRemovekey?

I have an encrypted partition on /dev/sda5, yesterday I use cryptsetup to remove the encryption using cryptsetup luksRemovekey /dev/sda5, but when I restart I have to provide a passphrase for ...
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69 views

Encrypted Lvm , passphrase nor working

I am using ubuntu server 14 on virtual box and i have used entire disk and set up encrypted lvm ,the system ran completely fine on first start , but once i rebooted it the same passphrase is not ...
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119 views

How do I fix the fstype boot issue?

I'm new to Ubuntu (running 14.04) and I need to get back to Windows 8 as soon as possible so I tried using testdisk to at least access my files but when I rebooted I couldn't get past the crypt page. ...
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792 views

Can I “cryptsetup … luksFormat” a partition formatted with Ext4, or must it be unformatted?

I would like to setup Full Disk Encryption (FDE) for an external harddrive. My question is about the sequence of formatting. Will the following sequence work fine or do I need to run luksFormat on an ...
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147 views

Cryptsetup with optimized AES version

I am trying to set up an encrypted partition with dm-crypt and LUKS. I want to use the version of the AES cipher optimized with assembly instructions. I recompiled my kernel and added the required ...
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162 views

Cannot mount partition with cryptsetup

I have a spare drive. I've attempted to format it and encrypt it. But even though the process appears to succeed and I can open the crypt, I cannot mount the newly mapped device. Here is the output of ...
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244 views

How to enable crypttab to run at boot

The cryptdisks service is set to run levels 0 and 6. However, I don't know if this is a correct setting because perhaps crypttab is made to run in some other fashion. In either case, this is a ...
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661 views

LVM on encrypted partition drops me to initramfs root missing

I installed Ubuntu 13.10 64bit on my PC. I have single hard disk (/dev/sda) with LVM encrypted partition. So the problem is that after reboot I cannot start Ubuntu (it dropped me to initramfs prompt ...
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3k views

Full System encryption with LUKS on headless server - unlock with dropbear and busybox. How?

I encrypted a headless server with cryptsetup/LUKS. 2 HDDs with 512 MB /boot on /dev/md0 and 1,61 TB LUKS encrypted /dev/md1 with LVM containing /, swap, and others. I installed dropbear (and busybox ...
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391 views

Ubuntu 13.04 does not boot after update

as a complete newbie to Linux, I just installed a brand new Lenovo ThinkPad X230 with Ubuntu 13.04 from USB stick. Downloaded the installer from ubuntu.com and put it on a stick. No issues. Next day ...
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2k views

What is the correct way to use key file LUKS authorization?

Before filing new bug reports i decided to try to get support on my situation here. Sorry for my english (it may sound frustrating) in advance, feel free to ask about additional details and thanks!! ...
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379 views

Cryptsetup does not accept passphrase after installation

I used the xubuntu 13.04 installer and selected german keyboard layout. Afterwards i checked that I want to install with encryption via LUKS on a LVM. There I entered my passphrase and the setup ...
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315 views

How do I find the password to a hard drive partition?

I am running Lubuntu 13.04 and I have a problem with a partition on my external drive. Basically, I either do not remember the password or some sort of error is not allowing my access the partition. ...
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5k views

Problems with cryptsetup during update

I'm still new to all of this. I think I was installing a bunch of updates, and after what seemed like an hour or so, I finally got this message in the Terminal window: cryptsetup: WARNING: failed to ...