Ubuntu Security :: Use To Encrypt All Data On USB Flash Drive?
Apr 18, 2010
Folks:What can I use to encrypt all data on my USB flash drive? If possible, could I use something that has a public Key, so I do not have to type in a password to access the information when I plug the drive into my machie, but will not open or display contant if the drive is plugged into anyone else's machine, unless they have the public key?
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Feb 16, 2010
I loaded Ubuntu desktop onto my flash drive with the USB Installer For Ubuntu from [url]
I'll be placing sensitive data on the drive & need to figure out how to encrypt it. From what i've read so far, the easiest way will be to encrypt the swap, /home, tmp, temp files. Not quite sure how to do this. I'd prefer to encrypt the whole drive, but this seems quite complicated.
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Jan 21, 2010
I just tried out setting a master password for Firefox saved passwords and compared the old and new (before and after setting the master password) signons.sqlite files. Although passwords were not stored in plain text in either of the files, I did notice that the files were exactly the same. Am I wrong in assuming that setting the master password did not encrypt anything at all, or am I simply looking at the wrong file?
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Dec 27, 2010
How would You encrypt Passwords [emails,forums,accounts] onto USB Flash the most Secure way? (It should be command line so I can use any Linux distribution on it.) Is gpg -c <filename> secure enough ? And what FAST distro would you install on it? I'm learning on old USB flash and found SliTaz pretty damn cool,I use it as a LiveUSB. Also I've tried Kubuntu but it's bit slow. Going to try Lubuntu soon too. Any other idea?
And I'd like to install some FAST distro onto new 8GB mini USB flash drive,maybe Kubuntu as well. How would you partition its Flash drive? Probably separate partition for stored encrypted files?
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Jan 17, 2010
I want to have a "Private" folder on my flash drive. How would I encrypt it so that it asks for a password when you try to open it?
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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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May 27, 2010
A friend of mine somehow managed to accidentally format her USB key the other day. It had all the photos of her daughter on it and she's more than a little upset about it.
I've told her not to fret too much just yet and that I'll have a look to see if there's any way to recover any of the data (specifically the photo's, she's not overly fussed about the rest)
I've had a look through the web, and foremost looks like it's the most promising option but I don't want to start messing around with it until I've asked my fellow ubuntu users for advice and thoughts.
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Jan 6, 2010
I stupidly unplugget my USB-cable, which was connected to my Nokia music phone, just as if I were in Windows. What do I do? I've lost my music on the phone, or, it seems it may be there (the correct mass of data), but my phone now tells me there is no music... Can I recover this? And - what is the correct way to unplug a USB unit in Ubuntu? To make it work, and find the phone/drive - I just typed "sudo lsusb" in the terminal, and it found and opened the memory automatically... How should you unmount the USB, and maybe even how do I get my data back?
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Apr 21, 2010
I am trying to setup my ubuntu machine to automatically log some data I am trying to collect and write the data to a flash drive. I have everything setup so that when the machine boots up it starts that logging process. The problem I am having is that sometimes (not always) ubuntu creates a directory with the same path that I expect my flash drive to mount to i.e., /media/data/ then my flash drive instead mounts to /media/data_/. I need to know the path of the flash drive so I can store my data on it.
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Mar 24, 2011
I have a friend that has a computer running UBUNTU he has not used in a while and has forgotten the user name and password for it. Is there away to retrieve the data from this hard drive?
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Jul 31, 2010
A while back I had been using ubuntu on a live cd after my windows partition had been taken over by a virus, which at the time I thought had been removed by my anti virus (and then took out winlogon) and I did a system repair instead of a complete reformat because I didn't want to lose all of my files. After repairing, I noticed some things like what looked like fake "this page has been blocked based on your security preferences" on major sites like ....., myspace and facebook. I ran another virus scan with a different AV and strangely it detected a behavioural software keylogger, which after looking it up seemed to be something that could only be installed with physical access to the system, which confused me. Anyway, this is when I started to use the live CD to copy some of my music, videos, pictures etc. onto my flash drive. From what I can remember, I used this USB on my main computer without problems, but the last time I used it (few months ago) I ran a virus scan afterwards, just to feel safe and it came up with a couple java exploit trojans. This was probably just coincidence and I hadn't ran a scan in a day or two, possibly even a false positive as I noticed no decrease to system performance or any odd happenings.
So, my questions are: Is it even possible for a virus from a windows partition to copy itself to a USB flash drive on an ubuntu live cd; and is it possible (if the virus was even capable of this) if I insert the flash drive into my ubuntu computer, it could do anything like transfer across my WLAN to my windows computer, or even copy its files onto ubuntu but be unable to do anything? Which brings me to another question: if I visit a website that may contain drive-by malware or a virus of any type, is it capable of acting at all, such as even trying to transfer itself into my home folder, or does it not even recognize ubuntu at all and do nothing?
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Nov 6, 2010
Is there a program like BlueProximity but works with a file on a flash drive which will lock up the computer if it does not detect a file on a flash drive. What I am wanting to do is make certain features inaccessible if the flash drive is removed so if anyone uses my computer they can't hurt anything.
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Jan 23, 2011
What should I do if I want to allow access to USB flash drive selectively - Say for e.g. All permissions for "root", "Read/Write" for user "A", Only "Read" for user "B" and user "C" shouldn't be able to access or mount (no permissions) the USB flash drive at all.Also I want to do it by modifying entries in some files or by some commands (so that it can be done programatically if needed)
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Jun 4, 2010
I want to run Debian as a live version from my USB flash drive. Does this provide the same amount of security from hackers as installing Debian as the only OS on my netbook. Windows ce would still be on my netbook?
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Mar 9, 2011
I want to view a hard drive and see if it has all zeroes, how would I do this? I want to view a hard drive and see if it has all random data, or random data mixed with zeroes. How can I do this? I prefer to do all this in linux if possible without a gui...so looking for any cli tools to view with.
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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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Nov 30, 2010
If I have a partition like /dev/hd1 that is unencrypted and want it to be encrypted, but want to keep everything currently in that partition, how can I do that?
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May 30, 2011
I'm trying to write a GUI text encryption application. I wrote the encryption system in a No GUI application like this::
[Code]...
Now I'm trying to write a GUI version, using the same algorithm. Here goes a rough image of my main window code. If you scroll down you'll observe a coloured part. As you see, the text in the first textbox gets copied into clipboard. That is the part where my encryption system should encrypt the data in the clipboard, and copy it again, and later on the new data will be pasted. How am I supposed to write that? If I have to use another signal, what is the receiver of that signal?
[Code]...
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Jan 20, 2010
I'm currently writing a simple script which uses luckyBackup to backup my /home directory to /tmp. I then want to tar it, encrypt it with gpg and move it onto a usb stick. My question is that suppose my hard disk died and I needed to restore from this USB backup, would I still be able to decrypt the file given that I would have lost gpg keys etc when the disk died? (I would still know the passphrase though). Should I be backing up gpg files separately?
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Mar 14, 2010
Im using gmail with https always turned on but what programs can i use to easily encrypt emails? Is pretty good privacy easy to use?
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Jul 27, 2010
I have a ext hdd..seagate go. And my 14 yr old son likes to get into it without asking me; of course i dont care when he asks but i don't really want him to get in there and erase anything. I am about to leave for training for 18 weeks with the military. Is there a way i can "secure" the drive for the amount of time that I can't take it with me?
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May 1, 2010
I already have Ubuntu 9.10 on my system and don't want to have to reinstall all my programs after a clean install. I want to encrypt my hard drive so it will boot and ask for a password. Does anyone know if this is possible?
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May 11, 2010
I'm using lucid desktop edition, and I need to encrypt my home folder, but I didn't mark that option in the fresh instalation of lucid. I'd like the login screen to ask for the password and then decrypt my files.Is it possible to do without erasing my user?
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Jun 11, 2010
I'm looking for software to encrypt my entire S.O. It's something like nobody can erase the hard drive or can't trying to hack. I'm using Ubuntu Server x64.
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Oct 28, 2010
I'm trying to think of the best way to encrypt a partition on my flash drive.
I plan on storing ssh/pgp keys on it for use on different computers (including school computers, where I won't have administrative access).
TrueCrypt is going to require admin access to decrypt and mount the partition, I think, so that's out.
Are there any other methods you all would recommend?
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Oct 30, 2010
I know Pidgin store chat log in plain text or HTML format.Is there any plugin for pidgin to encrypt the chat log while logging it?Similar to Windows version of MSN Messenger free application called MSNPlus! that contains this feature to encrypt chat log.
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Jul 13, 2011
I just found a neat way to encrypt a file in Ubuntu 10.04.
I right click on a file and select the Encrypt option. The program prompts me to "Choose Recipient" so I choose myself on the list. Then it prompts me to enter my passphrase.
Once all that's done I hit enter and it adds .pgp to the end of whatever file just encrypted. The same basic method is used to Sign the file.
Does it sound as though what I said is correct and that the file I wanted to encrypt was indeed encrypted?
Can anyone crack my files without the passphrase? I'm sure it depends on the complexity and length of the passphrase.
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Apr 1, 2010
We have some script files on our linux servers. For security purpose our requirement is to keep these files encrypted . I mean when we open the files it will looks like as for example i am showing you one encripted file of iur server. how can i do this.
one encrypted files from our server:-
[utibaadm@AIRTELVTUD2_UVAS01server_monitoring]$cat SOUTH_DTH_MONITOR.sh
#!/bin/sh
skip=14
tmpdir=`/bin/mktemp -d ${TMPDIR:-/tmp}/gzexe.XXXXXXXXXX` || exit 1
prog="${tmpdir}/`echo "$0" | sed 's|^.*/||'`"
[Code].....
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Feb 11, 2010
I have just installed Ubuntu Jaunty (I do not like Karmic, please don't try to make me upgrade) and after installing all my programs I realized I did not encrypt my home directory.
I know it's very simple to do this during the installation but I can't seem to find an option to do it after it.
Is there a way to do this?
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Mar 14, 2010
Is there a way to encrypt your swap partition after installation?
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