Ubuntu Security :: Truecrypt Installation - "couldn't Display Unknown Filetype" Error
Feb 18, 2010
I downloaded truecrypt Linux version, giving me a file named truecrypt-6.3a-ubuntu-x86.tar.gz. I assume that's the archive. Double clicking on that produced file truecrypt-6.3a-setup-ubuntu-x86. I assume that's the executable. When I try to run that, I get a "could not display ... unknown filetype" error. Could someone tell me what I'm doing wrong? I plan to run truecrypt under the easycrypt GUI.
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Mar 6, 2011
I just installed ubuntu on my computer that already had windows 7 on it so I could dual boot them. After installing ubuntu and playing around on it a little I went back onto windows. I then restarted my computer and now it won't startup. I get an error that says unknown filetype grub rescue<. I don't know what to do to get back into windows or ubuntu.
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Jan 27, 2010
When I plug-in my iPod it gets detected by gtkpod and all the files load fine. I am able to delete files, add photos. But I am not able to add new songs. I get the following errors:1. If I drag and drop files it says "Drag and drop failed"2. If I add files through the "Add files" button,it either says "The following track could not be processes (unknown filetype)"
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Nov 26, 2010
I've been having issues with the omega.cert on Pidgin and tried to upgrade to 2.7.7 today. I clicked on the link from the Pidgin site to download the ppa package "pidgin-ppa_0.0.3_all.deb" and tried to open with GDebi Package Installer but it tells me it couldn't be opened because an unknown error occurred.
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Jan 23, 2010
I wrote a simple code using Open Inventor(OpenGL) classes to print a Sphere in a .png file.I tested it on Windows and it worked well.But when I run it on Fedora 10, I got the following error with no output .png file:
Coin error in glxglue_init(): Couldn't open NULL display. Coin warning in SoOffscreenRenderer::renderFromBase(): Could not set up an offscreen OpenGL context.
Segmentation fault
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Dec 26, 2010
I have this problem. Whenever I issue command below,
Code:
ssh -X user@hostA
xclock
[code]....
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Jul 22, 2011
I am having issues with 3d I am trying to start up a game called auteria but it displays this error "Could not find a compatible opengl display resolution. Please check your driver configuration. (Error: Couldn't find a matching GLX visual)" I am on ubuntu 10.10 could anybody give me a solution on how to fix this issue?
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Apr 8, 2011
The script "vsftpd_virtualuser_add.sh" from the guide here:
http://wiki.centos.org/HowTos/Chroot_Vsftpd_with_non-system_users
executes the following line: /usr/bin/chcon -t public_content_rw_t $HOMEDIR/$USERNAME
which returns the error: /usr/bin/chcon: couldn't compute security context from unlabeled
Login attempts are unsuccessful on the given username.I followed the instructions on that page verbatim.I can't find anything useful on that error anywhere - even outside of vsftpd context.This is a new CentOS 5.5 server - updated everything with yum.VSFTP worked fine on the last server, which was a CentOS 5.x.
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Apr 8, 2010
I've been looking at setting up truecrypt on my laptop, but the guides on the truecrypt site and the ubuntu documentation seems to be incomplete or not address what i want to do.
What I have:
dual boot windows 7 / Ubuntu (lucid)
What I want is to dual boot with the hidden OS system:
Windows 7 (plausable)
Ubuntu (plausable)
Ubuntu (hidden install)
Is this possible? or is it better to make a hidden /home partition?
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Mar 21, 2011
I work for a all-in-one IT company, basically businesses hire us and we will fix all their problems from servers to pencil sharpenersI want to get some background with UNIX so i wanted to multiboot linux on my laptop and use it for a few weeks. After a few hours of trial and error i managed to install it! So to the point: i used Truecrypt to encrypt my laptop and it used a special boot loader that made me input the password just after the post.My question is, can i use Truecrypt with a multiboot 7/ubuntu? After it took me hours to install this , running into and trouble shooting various problems that were probably just my ignorance, but Linux feels very fragile and i do not want to screw it up.
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Jun 15, 2011
I have repeatedly installed Truecrypt and Easy Crypt but they do not "See" each other nor do they Encrypt Any Folder or File.
Easycrypt keeps telling me that I do not have Truecrypt installed!?
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Jun 22, 2011
TrueCrypt offers 3 hashes for use: RIPEMD-160, SHA-512, WHIRLPOOL.What do most people use? How does one go about deciding which one is appropriate for them? Do they differ in security or performance?
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Aug 16, 2010
A directory on my desktop has recently become inaccessible. The error message that is given when I attempt to open the directory is as follows: Could not display "nikki stuff", The file is of unknown type. I brought up a terminal and did an ls -l on the directory, which produced the following: -rwxrwxrwx 1 nikki nikki 314 2010-07-26 19:16 nikkis%20stuff.desktop Unfortunately, the computer is not mine, so I do not know much more about how this happened.
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Mar 23, 2010
When you are creating a TrueCrypt partition it asks what filesystem you will be using:
None
FAT
EXT2
EXT3
This is fine if you decide to create your partition on Linux but I am wondering what you would do if you wanted to create it on your XP partition and access it through the mounted drive. My XP is NTFS and that option does not appear.
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Mar 7, 2011
I downloaded TruCrypt but can't get it to launch.
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Dec 19, 2009
i get the following error when i try to install autoten: root@Tex dan]# rpm -Uvh [URL]... curl: (6) Couldn't resolve host 'dnmouse.org'
error: skipping [URL]... - transfer failed from reading other posts, it sounds like a dns error, but i don't know what to do to fix it.
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Jan 22, 2010
I installed TrueCrype 6.3a on my 8.1 Ubuntu. Everything went fine until I got to the part where I need to protect my hidden volume from damaged caused by writing to the outer volume (these instructions: [url] ). I can't find the checkbox to "Protect hidden volume from damaged caused by writing to outer volume". The closest thing I can find is an option to "Protect hidden volume when mounting outer volume". Intuitively these don't sound the same to me. There are 2 difference between my setup and the instructions; 1) the instructions appear to be written for Windows and not Linux. 2) I am using a file volume and not a partition volume.
Does anyone know where the option is to protect the hidden volume when writing to the outer volume?
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Feb 9, 2010
I have a 2nd hard drive that I have encrypted using true crypt. Is it possible to set this up with key files (or some other way) to auto mount when linux boots. I need it in true crypt because there are some work programs I dual boot to use in windows, and need to have access to the drive in XP from time to time, and true crypt can mount there as well. But 90+% of my time is in linux and I would like to have it auto mount through fstab (or whatever way it needs to be). My entire linux setup has been set up with encryption through dm crypt and LUKS (except for /boot). So I would think having a key file stored on the computer and an auto mount fstab would be just as secure as however secure my LUKS setup is. So any way to auto mount a true crypt 2nd drive volume?
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Jul 16, 2010
I installed TrueCrypt in Microsoft Windows XP SP3 (no Linux installations present) and I stopped the TrueCrypt service in the Windows enviroment, and then, I restarted, and all the sudden it seemed the PC can not see the Hard Disk at all at startup, nada... I believe I dismounted it by stopping the TrueCrypt service... So the PC no longer understands there is a TrueCrypt volume in place, and I inserted the TrueCrypt recovery disk, and it can not do any thing, I restored the bootloaders, the true crypt loader, and once I finished this, I press ESC, and it says there are no bootable devices, so nothing. I even decrypted the disk, and it seemed that nothing happened with the restore disk...
Is there any way I can make this partition bootable again? because I have every thing in that partition, every single bit of life... I have used TestDisk under Linux right now, but I am unsure of this, and I also further complicated the boot proccess, and now the PC states at startup about missing partition tables. When I start truecrypt from this Kubuntu live CD, I am unable to see the encrypted hard disk even with root, there is no way to see this hard disk, only can be seen in the TestDisk app. I really I am desperate, at least, if I can not make Windows Boot again, maybe just suck all the files out of the hard disk and put them some where for now, I really need to get back to work, and I cant seem to find a solution...
I know here at Ubuntu forums, some one may have the solution. And I do know for sure all the files on this volume are there because of the TestDisk app, so they are there, they are just not reachable.... (I have posted this problem on a Linux forums instead of a Windows forum because the only way to try to recover the volume is with Linux Kubuntu Live CD
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Sep 27, 2010
my current plan is to create a truecrypt container with the whirlpool hash. This container will be located on a hdd that is not where my OS will be located (so a separate physical sata drive).My concern is when this container is accessed, that some of the password information could be stored in my swap partition (which is on the main drive where the OS "/" is located)
I would like to have a script or command I could run that after I unmount those drives (or just halt the system) that my swap (and ram too if possible) could be wiped (or like overwritten with the shred command). Also, am I going about this the right way, or should I just use truecrypts FDE on the entire drive? In addition, when Ubuntu does it's default install, does it create a swap file in addition to a swap partition? If it does, would that be another vulnerability? If it is, how do I prevent this from happening?
I welcome any input you have on this. I am aware that once the drive is mounted, it is vulnerable, but I want the data to be secure as possible once my computer is turned off. Also, I have read that there are ram exploits where it holds your passwords for up to a few minutes after you turn the machine off, does anyone know how long that it and is there a way to clear it, or will only time let it fade?
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Oct 4, 2010
I'm simply interested in a more basic discussion of why one would choose one of these methods over the other. What do they offer that the other does not? I'll start with what I know:
- dm-crypt/LUKS
--- included in a lot of install images already; in other words, perhaps easier to implement on a fresh install
- TrueCrypt
--- multiple encryption algorithms possible
[code]....
For me... I have no need for Windows compatibility, though I do use OS X on a dual booting MacBook. I believe TrueCrypt woks with OS X, so that could be a bonus, though I can simply encrypt my home folder on OS X with it's own FireVault and be fine.My setup (after wiping and starting over) will probably be like so:
- /boot on it's own primary partition
- / on it's own primary partition with logical partitions within
--- /usr, /var, /etc, /opt, and the like on a logical partition
--- /home on a logical partition
/home will surely be encrypted and I'm leaning toward encrypting the rest as well, though perhaps it's not necessary. I'm open to input there as well -- is there anything the leaks from normal application use into /var or /tmp that would make one lean toward just encrypting the whole thing?
I opened up TrueCrypt just to look at it and since I can't encrypt a whole partition without losing data... I pretty much have to encrypt from what? A live CD? This could be a drawback -- I think since TrueCrypt isn't coming on install disks, I'd have to go with an unencrypted (or dm-crypt/LUKS) root partition and then use TrueCrypt to make a container (or partition) for /home only. I can't think of another way to do this since I can't encrypt the whole disk as one entity with my dual booting situation...
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Nov 5, 2010
So what I want to do is encrypt my entire hard drive, but heres the thing.
I dual boot Ubuntu and windows 7, but I am afraid that if I use truecrypt to do the encrypting that it will wipe GRUB and not allow me to boot into any OS, is that a possibility and is there a way around it?
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Dec 29, 2010
How do I create a Truecrypt volume that will automount on bootup?
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Jul 14, 2010
I have a laptop with windows7 and ubuntu installed. When I installed Ubuntu it created 4 partitions (2 for swap and 2 for ubuntu). Yesterday, a friend of mine deleted one of the partitions (swap+linux) because they weren't being used (weren't even mounted) and he thought I could use the free space. I kept on using the laptop but today I had to reboot it. Instead of getting the usual grub menu I got this:
Code:
error: unknown filesystem.
grub rescue>
I tried using the solutions I found in lots of posts related with this matter but I couldn't fix it. What I tried was this:
Code:
#show you the available partitions
ls
#look for boot files on the partitions
ls (hd0,1)/boot
[code]....
The problem is that it doesn't recognise the commands 'linux', 'boot' or 'initrd'...
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Nov 16, 2010
My problem is that I am unable to do a routine upgrade of packages. When I try to perform an upgrade, the following occurs:
Code:
$ sudo aptitude dist-upgrade
Reading package lists... Done
Building dependency tree
[code]....
If I try to install another package, I get the following message:
Code:
E: I wasn't able to locate file for the tzdata-java package. This might mean you need to manually fix this package.
E: I wasn't able to locate file for the tzdata-java package. This might mean you need to manually fix this package.
E: Internal error: couldn't generate list of packages to download
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Jan 4, 2010
I'm having problems getting TC to load grub2 1.97b4. When I hit ESC from the TC boot prompt, I get "no bootable partitions found".
I also booted into Ubuntu Live cd, mounted my LVM dm-crypted volume and tried to reinstall grub2 to my nonencrypted /boot under /dev/sda3 and TC still wont boot. Then I set the boot flag on /dev/sda3 and it still won't boot.
These are the commands I used to install grub2 to my /boot partition. Atleast that's what I think it did.
update-grub
grub-install /dev/sda3
grub-install --recheck /dev/sda3
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Jan 4, 2011
This one being Ubuntu 9.10 (yes, I know I really should upgrade). I keep a number of confidential files in a TrueCrypt container which is a standalone file in my Documents folder. I'd like to delete some of these, but I want to do it as securely as I can, but I believe if I simply hit 'Delete' with the file selected it'll move the file to the Deleted Items folder. This, I assume, means that the file is taken out of the encrypted volume and stored unencrypted in the Deleted folder.
I've been reading a little about the Shred command, and there seems to be some question about whether it works effectively with a journalled file system; and since I have no idea whether I'm using a journalled file system, or how to find out, I'm treating Shred and other over-writing secure deletion tools as ineffective for now.
With this in mind, can anyone advise me how I can protect the file stored in the TrueCrypt volume, and delete it in place, without taking it out of the encrypted area? And, further to that, can anyone tell me whether in fact the file is actually secured while it's in the encrypted volume? For all I know, just opening the volume may result in copies being made somewhere (apart from RAM).
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May 17, 2010
I found a way some times ago to mount a truecrypt volume when opening the session by insertion of the login password in the mounting script instead of putting it in clear in the script. I don't remember to command to read/transfer the password.
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Dec 15, 2010
I have two questions regarding auto mount function of Truecrypt. First question:
I want to automatically mount my flash drive encrypted by Truecrypt using a keyfile whenever I plug the drive. How can I do this? I use Ubuntu 10.10.
Second question:
As I do not know the answer of my first question, I currently use following command in a startup script to mount my encrypted flash drive automatically at every system start-up.
Quote:
/usr/bin/truecrypt -k ~/keyfile --auto-mount=favorites
My problem with this method is, Truecrypt always search for the drive in the same path saved in favorite drives list, e.g. /dev/sdb1. However sometimes there are more than one flash drive plugged to my computer and my encrypted drive's path changes. In such cases Truecrypt cannot mount my encrypted drive because it cannot find the drive in its path.
As a workaround I tried "auto-mount=devices" parameter. It is slow because it checks every mounted drive, and some of them external hard disk big in size. Moreover it does not recognize any mount point parameter. I'd like to mount the drive to the same mount point every time.
Quote:
/usr/bin/truecrypt -t --auto-mount=devices -p "" -k ~/keyfile /media/MyMountPoint
The command above mounts the drive however it is slow and to the destination of "/media/treucrypt1".
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Jul 20, 2011
Now since 1TB 2,5" hard drives have been released and are payable I've thought about buying one. The most improtant issue for me when using a protable drive is security and data security. I found the "Western Digital My Passport Essential" with hardware encryption but the description says that only Windows and MAC operating systems are supported not Linux in anyway. My question is are there any significant diffetences between the WD hardware decryption or a truecrypt container/drive? And is there another program out there better for this job? I want to use the drive on Windows and Linux systems.
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