Questions about encryption such as home folder encryption, partition encryption and file encryption.

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1answer
272 views

Can Ubuntu 14.04 use encrypted swap without resorting to unofficial hacks?

On a fresh install of Ubuntu 14.04, I get this error message during boot the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present and the swap partition is never activated. From ...
0
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1answer
86 views

KVM VPS and data safety

I'm looking into setting up a mail server (running Ubuntu, ofcourse), but I need it to run reliably (in case it's good enough to start using it instead of only Gmail) so I found a VPS provider that ...
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0answers
18 views

recommended encryption application for files/folders

Is there a recommended encryption app? I installed crytpkeeper but it won't run at startup. /usr/bin/cryptkeeper gives segmentation error. Thanks
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0answers
43 views

Laptop Won't Recognize Working Hard Drive

The drive works. I plugged it into my brand new computer and it worked just fine. I installed Ubuntu while it was plugged into my desktop. I encrypted the OS and my home folder. After I took it out ...
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0answers
44 views

Does cryptsetup encrypt FAT32 usb disks?

In disks utility, without installing cryptsetup, there is an option to format an external disk using LUKS/ext4. I want to encrypt a USB drive but I want it to be readable in windows (if I eventually ...
0
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1answer
531 views

parole player gives Gstreamer error when CD/DVD played in XUBUNTU

No matter which DVD or CD I try to play using parole player in Xubuntu. I get the following error for CD's :Could not handle CDDA URI:GStreamer backend error : And the following for DVD's: Could not ...
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0answers
59 views

LUKS encrypted file & access permissions

I have a storage file accessed over Internet, mounted like a normal loop though sshfs. On the computer the file was created (MAC with Virtualbox w/ Trusty) I can access it and its content w/o any ...
1
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1answer
85 views

“Encrypted Home Directory” feature in 14.04

Good day to all, I installed OpenCV 2.4.10 to my Ubuntu 14.04. I followed all the steps in installing OpenCV according to Sysads Gazette. The last step after installing OpenCV requires to reboot the ...
1
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1answer
654 views

Ubuntu Additional Drivers won't install flgrx [duplicate]

I installed Ubuntu 14.04.2, a fresh install. Additional Drivers won't install the AMD flgrx proprietary drivers. I clicked on the radio button, pressed apply changes, and then the button just goes ...
2
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1answer
2k views

What is “/dev/mapper/ubuntu--vg--root”?

I installed Ubuntu 14.04 recently. During the installation I did not create a separate partition for my home folder. I also accidentally encrypted my home folder. When i did sudo df I got the ...
2
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0answers
147 views

Getting “No key available with this passphrase.” when trying to add a new LVM encryption password

I am getting "No key available with this passphrase." when I try to reset the password for the LVM encryption on my Ubuntu box. I have tried the following commands: sudo cryptsetup luksAddKey ...
0
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0answers
50 views

How to create an encrypted ubuntu instalation on a usb key with support for both UEFI and BIOS?

I am trying to create a usb key with encrypted ubuntu on it, that could be booted on both UEFI and BIOS machines. Aiming for Ubuntu MATE. I am using a virtualbox vm that boots in efi mode to live ISO, ...
0
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1answer
117 views

Change eCryptFS mount options (remove nosuid)?

Is there a way to modify the mount options for an encrypted home partition on Ubuntu, specifically to remove the nosuid option? Relatedly, is removing nosuid likely to cause any difficulties mounting ...
1
vote
1answer
65 views

Massive filesystem corruption after latest update on LUKS encrypted drive

I booted my machine this morning and was greeted by a busybox shell. I booted from a live USB, mounted the drive with cryptsetup, but when I try to open it it says my ubunutu--root-vg has an ...
1
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3answers
282 views

Full Disk Encryption + Home folder encryption needed? Wouldn't Full Disk Encryption get the Home folder anyway?

I'm reinstalling Ubuntu, and want to do full disk encryption. After selecting it, I'm given a choice to also encrypt the Home folder. Since Ubuntu doesn't use a separate partition for the Home folder ...
0
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0answers
62 views

Removing the encryption password at boot

This question has been asked a lot, but I still don't know the answer to it. Is there a way to remove the password at boot? I have processes that start up when the computer boots up, and when have to ...
0
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0answers
98 views

Samba file sharing with windows and encrypted

I have a ubuntu machine and I want to setup a samba server on it so that I can access the files from my windows laptop. My windows laptop and ubuntu desktop are connected through a switch. The desktop ...
0
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1answer
209 views

How should I encrypt Ubuntu Server 14.04 with AES on RAID 10 and RAID 5?

After researching I've come to the conclusion that my set up is just not standard enough to have a direct answer floating about on the interwebs. My Hardware: i7 950 CPU 24 GB DDR3 7 2TB 7200 RPM ...
2
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1answer
174 views

Unable to boot to encrypted root partition after Ubuntu 14.10 upgrade

I am running a Lenovo T440p with a clean install of Ubuntu. No dual booting. Over the weekend I upgraded from Ubuntu 14.04 to 14.10. There were some package install errors that led to Ubuntu being ...
0
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1answer
49 views

Mounting an encrypted server

Everything I've found on this is either how to encrypt a mounted drive, or not to do with servers. I have an ubuntu 14.04 server which I am trying to mount as a network share onto my 14.04 desktop so ...
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0answers
42 views

Windows partition encrytped ,unable to boot from grub menu

I added a window 7 entry to 40_custom under /etc/grub.d . The windows entry appears in the grub menu after a grub update , but when I click on the windows option, I get an invalid signature . I used ...
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2answers
1k views

Ubuntu 14.04.2 cryptsetup failed on boot

I decided to reformat my hard drive and install a clean copy of the newly released Ubuntu 14.04.2 with full disk encryption (incl. LVM) and I chose a strong password with special characters which ...
1
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1answer
43 views

How to encrypt folder once, for sending?

Most encryption programs seem to be made for encrypting a folder permanently. I, however, simply want to encrypt a folder once and send it as an email attachment to someone. I feel like TrueCrypt, ...
0
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0answers
24 views

problem with : the disk drive for /dev/mapper/cryptswap1 UBUNTU 14.10 [duplicate]

i have this problem, when i turn on my compurter , : the disk drive for /dev/mapper/cryptswap1, is not ready yet or ..... contiunue to wait or press M, for manual ... on UBUNTU 14.10 Any help? ...
0
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1answer
68 views

Unable to log into encrypted root drive after running virtual machine

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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0answers
171 views

14.04 encrypted disk lost all logical volumes after apt-get dist-upgrade

EDIT 2015-02-24: Now it's time to wrap up what happened, what is still missing, what I know and don't know, what I learned. * I've not been able to recover the logical volumes yet - any help is ...
0
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1answer
102 views

Hard drive not recognized after install

I have a Dell Laptop (Vostro 3500) and tried to install Ubuntu 14.10 64bit on it. It came with Windows 7 installed on it. So I try the install from a live CD, I select both full disk encryption and ...
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0answers
14 views

Connect to my computer via ssh and login in the encryption screen [duplicate]

I have a small question about how to login into my computer at work. I have a vpn connection and it works properly, however I had to reboot my machine and I have encrypted my desk, which means I have ...
0
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1answer
496 views

After upgrade to kernel 3.16.0-30-generic I cannot use the keyboard

After installation of 14.10 and the "automatic upgrade" of the kernel to 3.16.0-30-generic from 3.16.0-23-generic I cannot use my keyboard to enter my passphrase for decrypting my physical drive. ...
0
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1answer
198 views

Repair broken encrypted home

I've ran into following problem. I have split my disk into two partitions, one for / and one form /home. I've also encrypted /home. One beautiful day ubuntu reports upon boot some broken files, ...
0
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0answers
105 views

ImportError: No module named charm.toolbox.pairinggroup

I am trying to run this python file which uses charm cryptography library...but i am getting this error ImportError: No module named charm.toolbox.pairinggroup Below is the code which i try to ...
0
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0answers
46 views

System crashes when forced to use swap

I'm running Kubuntu 14.04, with encrypted luks. I have 16 gigs of ram, so I don't use swap too often, but when my machine is forced to for one reason or another, it crashes. This can happen from ...
3
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2answers
422 views

Does Ubuntu Phone support encryption?

Does anyone know if the Ubuntu phone (especially the first official release - BQ E4.5) supports full device encryption? And if it does not, then if there are any plans for it?
1
vote
1answer
113 views

Ubuntu 14.04 wont boot after entering harddrive encryption password

I have installed 14.04 LTS on to my Samsung 850 pro SSD and it was working fine then last time I booted it, it took three attempts to boot. Basically the request for the password appears and I enter ...
0
votes
1answer
39 views

Resize or turn off encrypted swap

I installed ubuntu 14.04.1 on a 60 GB ssd with full encryption. My PC has 16 GB of RAM. This has resulted in a swap size approaching 16 GB. Can I subsequently change this to 2 GB or completely turn ...
0
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0answers
114 views

encrypted lvm fails to boot after last update

My netbook fell. The disk had to be replaced. I installed new system from the install medium, then restored the contents from backup (rsync), and it worked... for a time. New 'security updates' along ...
1
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2answers
73 views

Mounting external disk with defaulted 13.10 FDE

I have a hard disk which was previously used in my netbook with Ubuntu 13.10's default full disk encryption (FDE) configuration. I would now like to mount this disk as an external drive (via SATA to ...
0
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2answers
171 views

Unable to write to ext4, No space left on device?

After creating a folder in my ext4 partition, copying some data to it, then moving that whole folder to another drive, I became unable to add additional data to the ext4 partition when I boot into ...
0
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2answers
92 views

Can't access home directory during boot. Any solutions?

I recently switched to Ubuntu 14.04 from windows. I've setup Chrome Remote Desktop but it won't start during the boot process and the following error appears in boot.log * Starting Chrome Remote ...
0
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1answer
139 views

How can I tell if my hard drive is encrypted?

I've recently installed Ubuntu (Trusty LTS) on my home computers, and believe I decrypted my /home directory, as described in the copying /home section of the tutorial at: ...
2
votes
1answer
35 views

How do I mount an encrypted drive

I just got a new harddrive, and I would like to get the files off of my old drive that was encrypted using the full disk encryption option in the Ubuntu installer. How do I access those files?
0
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1answer
207 views

Decrypt encrypted disk to make second partition

I have a problem. When I install Ubuntu, I make only one partition and encrypt this partition. Now I want to make second partition with different file type. How I can "decrypt" partition or... take ...
0
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0answers
99 views

Ubunt boot encryption using LUKS

I have Mini PC (aka Intel NUC) to be deployed remotely. This will be a server and running a LAN application to store financial records. Clients can access this server for accounting and reporting. I ...
1
vote
1answer
45 views

Can I recover an encrypted partition that I quick-formatted in Lubuntu?

I had a USB drive encrypted with dmcrypt+LUKS which I forgot the password to. I later formatted it but as soon as I formatted it I remembered the password. Is there any way to recover/restore the ...
0
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1answer
54 views

Ubuntu won't boot after setting a HD password in BIOS

I installed Ubuntu 14.04 alongside XP (Both 32-bit due to Brazos 1.0 Ghz slow CPU). Not because it kind'a ran slow but because of me using the PC to access work with some highly sensitive data I ...
0
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1answer
51 views

confused about keys and using it with multiple computers

well I am confused about the keys and security. Ive tried searching for a answer, but I just wind up more confused Anyhow, my linux box, called skyline, has ssh enabled and I also edited the ...
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0answers
156 views

Ubuntu 14.10 Gnome/Nvidia Driver Conflict

I installed Ubuntu 14.10 yesterday with full-disk encryption, installed all the updates, and then I installed G++, Clang 3.5, Intel Parallel Studio 2015 (Update 1), and Nvidia's newest stable ...
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2answers
42 views

Can I unencrypt a specific directory under home directory while the entire home directory is encrypted?

The reason why I'm asking this is that the encryption leaves up to a length of 143 characters to be used as filename. While normally it doesn't seem like a trouble, it becomes one when the name of a ...
1
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1answer
365 views

Differences between md5pass and md5sum

This question may be insane ,but due to definition of hash algorithms, hash algorithms are some kind of functions that accept variable length input and make it encrypted and the output always has a ...
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0answers
12 views

Is there a “session-wise” filesystem encryption?

AFAIK, there are partition encryption, or filesystem encryption like ecryptfs. But both of them only ask permission when mounting. By which I mean, once I mounted them, any other users could access ...