Tagged Questions

0
votes
1answer
20 views

Mount LVM encrypted partition on external HDD - Device /dev/sdc5 is not a valid LUKS device

Recently, my Ubuntu server was unable to boot on my 500Go HDD I removed the HDD from my server case, put it in an external case, and connected it via USB to an Ubuntu laptop. I have SSH access on ...
0
votes
0answers
29 views

Install Ubuntu onto USB thumb drive with encryption and LVM

I would like to install Lubuntu 13.04 onto a thumb drive with encryption. I have two thumb drives, one live USB with Lubuntu which I plan to install from, and another 16GB USB that I would like to ...
0
votes
1answer
28 views

preseed with LVM and crypto fails with “An error occured while creating the keyfile.”

I am trying to set up a preseed installation that will automate most of the installation of a desktop computer with Ubuntu 13.04. Disk partitioning with LVM works fine, but I need to encrypt the ...
0
votes
0answers
32 views

Migrating encrypted LVM to a new SSD

This question is related to How to migrate an encrypted LVM install to a new disk but I couldn't post it as a comment on the answer. Help is appreciated. Anyway, regarding the solution on the ...
0
votes
0answers
150 views

LVM initramfs boot problem: “ALERT! /dev/mapper/vgcrypt-root does not exist. Dropping to a shell!”

I followed the guide linked below to create a clean install of Ubuntu on a LUKS-encrypted partition. The only differences are that I used Ubuntu 12.04 rather than 11.10 and I made less LVs than that ...
1
vote
0answers
168 views

Questions about full disk encryption

Completely new user here, I've been reading for a couple of hours about ubuntu's full disk encryption but I just don't understand some basic points. When installing ubuntu's full disk encryption, ...
2
votes
2answers
1k views

Manual LVM encryption setup with Ubuntu 13.04

I am trying hard to get ubiquity works. The thing is that I want to setup Ubuntu 13.04 on a full encrypted LVM aside a Windows installation. So I can't use the default option of full disk encryption. ...
1
vote
0answers
51 views

How to get the grub boot menu in a encrypted single-boot ubuntu system?

Some time ago I installed Ubuntu 12.04.2 from the alternate CD, and choose the option of full-disk encryption. Now I tried to install the proprietary FGLRX driver, but the system lost power halfway in ...
0
votes
0answers
25 views

Could i change name of sda5_crypt into crypt_sda5 in preseed?

I am trying to play with preseeding stuff, and stuck in one thing. When i use d-i partman-auto/method string crypto (with lvm) By default, i got three file in /dev/mapper that is my_vg-root, ...
1
vote
0answers
44 views

What happens when I expanding LVM+eCryptfs Volume (regarding encryption)

My system had a Windows partition using the beginning of a 500 GB disk, followed by a LVM setup with a Volume Group and several Logical Volumes (encrypted home, root, swap). I deleted the Windows ...
1
vote
0answers
81 views

Full disk encryption - adding disk

I've installed Ubuntu 12.04 Server using the encrypted volume with LVM option. I've now added another harddrive, that I wish to encrypt using the same key - and only supply key once during boot. How ...
1
vote
1answer
241 views

How to migrate an encrypted LVM install to a new disk

I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
0
votes
0answers
77 views

How to view and manage encrypted LVM partitions after installation?

I did a full disk LVM installation. I now want to share the /home folder with another linux distribution installed on another hard disk. But I can't work out how to do this because I can't see what's ...
3
votes
1answer
146 views

MD + LUKS + LVM will not cleanly shutdown

My setup is currently raid1 + luks on each md partition and lvm on top to stripe between the arrays. There is only one volume group with one logical volume currently. sdc ...
2
votes
0answers
96 views

new 12.04 on existing lvm with encrypted /home - cannot login?

After a few unsuccessful installation attempts I finally found this guide that looked all set to solve all my problems. After following it however - reinstalling and doing the "Repair the boot image ...
0
votes
0answers
144 views

How to fix “/dev/mapper/sda5 is inactive” mounting encrypted LVM?

I have an Ubuntu 12.04 64 bit system, where I have two sda partitions sda1 and sda5. sda1 is an unencrypted ext2 boot partition and sda5 is an LVM2 encrypted disk containing the root filesystem, ...
2
votes
0answers
42 views

Encrypted LVM on multiple drives [duplicate]

Possible Duplicate: Full Disk Encryption with LUKS: auto mount second volume I want to set up encrypted LVM when I install Ubuntu. I have an SSD and an HDD and I would like to put /boot, ...
0
votes
0answers
187 views

New 12.04 Install on RAID 0 with encrypted LVM for home AND swap?

I have an Asus laptop with 2 new 320GB WD hdd's. I want to do a Raid 0 install, but want to put both my / and swap partitions under encrypted lvm for security. What is the best way to do this from the ...
0
votes
1answer
544 views

Should I use Logical Volume Management and Encrypt the installation on SSD?

Should I enable Logical Volume Management on my SSD? What i want to know is if enabling either encrypt the "encrypt the new ubuntu installation for security" option or the "Use LVM with the new Ubuntu ...
0
votes
1answer
105 views

how to resize an encrypted logical volume?

I installed Ubuntu with encryption and LVM on my entire haddisk... Now I want to resize it. How do I do This... Following this link gave me errors on step 2 - How to resize a LVM partition? error ...
0
votes
1answer
140 views

New lvm install to pick up existing home drive and reinstate swap partition

I've read so many variables on what I'm trying to do, I thought it better to ask outright. I've been through a few installs and upgrades of Ubuntu but never had my system (root) drive encrypted. Just ...
2
votes
1answer
863 views

Swap encryption and hibernating

I run Ubuntu 12.04 on my laptop, with an encrypted home folder + swap partition. Before I had this encrypted setup, I used to have my hibernation enabled. I found this documentation on how to enable ...
1
vote
2answers
592 views

“Partition Misaligned by 1024 bytes” on encrypted lvm

Disk Utility is giving me the error "The partition is misaligned by 1024 bytes. This may result in very poor performance. Repartitioning is suggested" on a partition which holds an encrypted LVM. I ...
1
vote
0answers
50 views

Adding a new HDD with FDE without increasing risk of total data loss

I currently have a single 2TB HDD with full disk encryption running on 12.04 (initially set up with LVM on 11.10). I want to add another 2TB HDD to the machine with -- ideally -- the following things ...
1
vote
2answers
232 views

How do I get Ubuntu to not mount my encrypted partitions on boot?

I'm using dm-crypt and LVM, which I set up during installation. I have two volume groups, one of which is encrypted and not needed for system/boot purposes. As of now, Ubuntu asks for a password on ...
0
votes
0answers
744 views

Full Disk Encryption using LVM and LUKS with Grub and Keys stored on a USB [closed]

All the websites I've looked at tonight are incomplete link to pages that no longer exist or don't offer full disk encryption. The best site lfde.org is no longer available and with Ubuntu 12.04 ...
1
vote
1answer
517 views

LUKS on >2TB disk

I have a 3TB disk which I want to encrypt. As soon as I create a file system (mkfs.xfs or ext2-4) in the encrypted partition it outputs "Attempt to read block from file-system resulted in short read ...
3
votes
2answers
3k views

How to change the password of a encrypted LVM system (done with the alternate Installation)?

I installed Ubuntu 11.10 with the alternate CD and encrypted the whole system (except boot) with the encrypted LVM. Everything works great as before, but I would like to change the password of the ...
1
vote
0answers
334 views

Encrypted LVM - bad password or options [closed]

I've deployed a number of laptops to our staff with encrypted LVM. I've used the alternative CD, whole disk & guided partitioning. This is the second laptop that came back to me with the same ...
0
votes
2answers
158 views

How to find out more about encrypted partitions?

I just installed Ubuntu 10.04 with the alternate CD. I'm using a encrypte LVM. So all my partitions should be encrypted. But how do I find out, if they are encrypted and how (AES?, bit?,...) Thanks ...
2
votes
2answers
1k views

Encrypted LVM not accepting my passphrase anymore

I have Ubuntu 11.04 on Thinkpad X41 and have been using it for a couple of months. From time to time System Update used to run and show me a list of recommended updates. Finaly, yesterday I accepted ...
5
votes
1answer
3k views

How to configure LVM & LUKS to autodecrypt partition?

I have recently installed ubuntu server 11.04 with the full lvm encryption(installed from the setup) . I wish now to use a key file to do automatic unlock. I have tried to follow this guide ...
0
votes
0answers
245 views

Mounting LVM partition that's inside an encrypted partition [closed]

I have set up an encrypted system on a USB hard drive. When I was putting it together, I built it with a large, encrypted partition that has an LVM set inside it with the main partition and a swap ...