0
votes
0answers
28 views

Luks encrypt / with a key stored in /boot

First, I know it sounds a little weird to do this (putting a key in plaintext on a drive), but here's why I want to do it this way: If I ever want to give the computer/drive to someone else, I want to ...
0
votes
0answers
97 views

Open multiple LUKS partitions at boot

I have a setup where I have 4 LUKS partitions that need to be mounted at boot time in order to assemble a RAID10 btrfs partition holding the root partition of my system. I was able to finalize the ...
2
votes
0answers
1k views

ubuntu 14.04 not booting, update-initramfs “nothing to do, exiting”

I did a mess while installing ubuntu 14.04 on my XPS 15 (9530 haswell) and I need help to rebuild boot partition. My computer has one miniSATA SSD 32 GB and a 1TB HDD. I crypted both with LUKS with ...
1
vote
0answers
110 views

LUKS decryption step missing during boot after upgrade

I upgraded my 12.10 installation that was residing on an LUKS encrypted EXT4 root partition. I did that with the 13.10 Iso standard on a DVD. I booted into the Test System, successfully mounted the ...
0
votes
0answers
103 views

cryptsetup passphrase prompt disappears too quickly (LUKS)

My problem is the passphrase prompt at boot (which is set up by cryptsetup) is disappearing too quickly. During boot the passphrase prompt is displayed for about 5 seconds and then the console ...
0
votes
1answer
409 views

/etc/crypttab ignored on boot

I wanted to setup encryption with dm-crypt and LUKS, but I set it up manually, not during installation process (I created LUKS partition and /etc/crypttab file properly). But the encrypted partition ...
2
votes
5answers
1k views

encrypted 13.10 will not reliably boot

EDIT: SOLVED! see http://askubuntu.com/a/403876/212688 i re-installed ubuntu 13.10 x64 on my vaio pro, in legacy, bios mode. the installation is lvm/luks encrypted and thus asks me for the encryption ...
1
vote
2answers
192 views

Unencrypted /boot partition can be infected from windows on dual-boot system?

I have dual-boot with windows 7 and ubuntu. /dev/sda1 ext4 (/boot) /dev/sda2 ntfs (windows partition) /dev/sda5 ext4 (root encrypted) I don't have any concern of adversaries gaining ...
1
vote
1answer
2k 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 ...
2
votes
0answers
1k 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!! ...
2
votes
3answers
978 views

Cannot mount LUKS encrypted USB on boot after 12.10 upgrade

I use a USB disk to backup my Ubuntu machine and store the video files I work with. It is formated to ext4 and uses LUKS encription. When I was using 12.04 it was working flawlessly and would mount ...
8
votes
1answer
2k views

How can one unlock a fully encrypted Ubuntu 11.10 system over SSH at boot?

In previous versions of Ubuntu, and current versions of Debian, you can unlock a fully encrypted system (using dmcrypt and LUKS) at boot time over SSH. It was as easy as: Installing the encrypted ...
0
votes
1answer
4k views

Switch from encrypted partition to unencrypted (Error: cryptsetup: evms_activate is not available)

I initially installed Ubuntu 11.04 with an encrypted file system (from the alternate install CD: Guided Partitioning, LVM encrypted). Now I wanted to change this setup to have my root file system on ...