Ubuntu Security :: Can't Install Firmware File Into File System - Not Accessable?
Jul 11, 2010
I'm only just starting out with the Linux ubunto 10.04 OS after yeas of wasted time on Microsoft os's,I hope I'm posting this request for help in the right forum thread, if not please accept my apologies, I have tried searching everywhere for help in installing a firmware file into the File System / lib / firmware directory and each time I get an access denied result. The file is for a DVB board and I have managed to track down the right Linux fw file for this particular piece of equipment, Could some kind helpful person either explain how to get this firmware file into the Root System directory or even send a link to another site that deals with this sort of problemI've downloaded all the programs via the Ubuntu Software Center that should be able to perform this task however all to no avail.The reason why I posted this thread in this forum board is that it (in my own personal opinion which may be wrong) seems to me to be a security problem
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Oct 19, 2010
i am investigating on solutions to trace a file deletion on a computer( Linux O/S).i also need to determine weither after a file deletion or download on a computer, the computer clock had not been modified. In case a file has been downloaded on a computer and then transferred to a removable device, i need to find out the file activity. i mean i should be able to tell that the file was downloaded and transferred to a device with possible specifications.
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Feb 2, 2010
Have just assembled a new computer and thought I would install the 64 bit version of openSUSE 11.2 in a "Windows free zone". After a hiccup or two I have managed to get a system of sorts running but on trying to copy files from my old computer(via a memory stick) it tells me that Vfat is an unknown file system.On my old computer I am running 32 bit openSUSE 11.2 as a dual boot system with Windows XP and have no problems moving files between the two different file systems.Is it possible to get a 64 bit file system to read 32 bit file system drives and if so how do I do it?
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Jun 24, 2011
Why do I keep getting .gvfs (gnome virtual file system) file appearing as corrupt in /~/usr directory, I can get rid of it by unmounting, but it re-appears later on. It is causing problems as it interrupts my backups (which are automated) with an error message,ListError .gtk-bookmarks/.gvfs [Errno 13] Permission denied: '/home/jimt/.gvfs'
drwxr-xr-x 2 jimt users 4.0K Jun 22 22:00 .gstreamer-0.10
-rw-r--r-- 1 jimt users 132 Jun 24 11:50 .gtk-bookmarks
d????????? ? ? ? ? ? .gvfs
-rw------- 1 jimt users 4.3K Jun 24 11:50 .ICEauthority
drwxr-xr-x 3 jimt users 4.0K Jun 23 08:41 .icedteaplugin
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May 2, 2010
I bought a new SD card which I intend to put some MP3s on - except that I can't write to it because it tells me the destination is Read Only. No-probs thinks I: I'll just reformat it.
"Error creating file system: helper exited with exit code 1: cannot open /dev/mmcblk0p1: Read-only file system"
Various chmod commands all result in Read-only file system. I tried umount then mount commands, but it couldn't find it to mount once I'd unmounted it using the same /media/ file path (I assume it's the only one).
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Feb 17, 2010
I was reading a website about securely wiping data from your hard drive with wipe on the right click menu, when I stumbled across part of the article where it talked about journaling filesystems.Article
Quote:
There are three types of journaling: journal, ordered and writeback. Using shred, with an ext3 file system presents the user with the problem of secure deletion because it can only really be effectively used with ordered and writeback journals. It also lists ext4 as a journaling file system in the article, so I looked up the wikipedia page on it and I also found this:
Delayed allocationExt4 uses a filesystem performance technique called allocate-on-flush, also known as delayed allocation. It consists of delaying block allocation until the data is going to be written to the disk, unlike some other file systems, which may allocate the necessary blocks before that step. This improves performance and reduces fragmentation by improving block allocation decisions based on the actual file size. So I am confused about this delayed allocation thing. My thoughts are that ext3 and other journaling filesystems are bad to use with secure wipe when they are set on journal mode because that writes the file to the journaling sector as well as to the hard drive. Apparently, in ext3, the default was ordered mode. I would like to know if anyone has any idea if the ext4 file system on karmic 64bit is hazardous to the security of using the wipe command.
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Mar 8, 2010
I need a file locking software or atleast any command for file locking
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Jul 15, 2010
Does anyone know of sfill can be used on a NTFS file system?
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Apr 6, 2010
i have generated .exe file from C file (ie filename.c ) after compiling in linux machine with -O option. I wish to know about how to run that .exe file when linux system starts up ?
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Feb 1, 2010
I just found that I could perform write operation using a normal user account to a file system I mounted with the commands as followed:
sudo mount -t ntfs /dev/sda1 /mnt/disk/
This is the corresponding entry in the output of "mount" command:
/dev/sda1 on /mnt/disk type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
As far as I remember, when using a normal user account, I had to use "sudo" to perform any write operations (mkdir, rm, etc) to a device mounted using "sudo". But now it seems to be changed.
Do I remember wrong, or did Karmic have any updates change this setting? (I never manually changed user settings, except that I added a root user, but I never used it.)
OS: Karmic(up2dated)
Kernel: Linux stephen-laptop 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 16:20:31 UTC 2009 i686 GNU/Linux
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Feb 19, 2010
I have some very confidental files on my computer that I store such as credit reports, and other things. I always encrypt them with GPG, but there still is that original non-encrypted file left that needs to be deleted. I looked into tools like wipe, and shred but they all say that it really doesn't help on journaling filesystems directly on their man page.
I am not asking how to wipe the whole drive with dd or anything, but I am simply asking if there is a tool that'll delete a single file securely.
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Jul 12, 2010
My Redhat Enterprise Linux 4 with 6x partitions (/, /boot,/home, /usr, /var, /tmp) of 6.0 GB IDE Hardisk was working quite fine. I decided to create LVM on /home and /var partitions but due to some errors occured and I delete the /home partitions. That's why partition table altered. I then delete 4,5,and 6th partitions (/home, /var, /tmp) partitions and now try to create one by one but following error is coming:-
[Code]....
The Super block could not be read or do not describe a clear ext2 file system. E2fsck b 8193 <device> I have tried following commands,but could not successful:- e2fsck -p /dev/hda7 (where hda7 was created but afterthat it was deleted) e2fsck -a /dev/hda7
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Nov 5, 2010
What methods exits to restrict which directories a user may browse on the filesystem. I want to prevent php scripts from being able to view system files. I've seen two solutions, but neither are satisfactory:Chrooting a directory that the script is in, but this requires that all the necessary php libraries/files are moved/copied into the right place relative to the chroot directory. I don't feel that I have the technical ability to achieve this.Putting php into safe mode and disabling *nasty* php functions. But this is ineffective if just one obscure *bad* php function is missed.
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Jul 18, 2010
I have just installed 505 on an old laptop, and it's running sweet, I'm trying to get the builtin wireless lan to work and have downloaded the atmel_at76c506.bin driver but I'm not sure what to do with it at this stage, have installed network-manager too,
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Jun 23, 2009
I am interested in making the root file system is read-only. I've moved /var and /tmp file systems to another partitions. There are two files in the /etc directory that need to be writable.
These are:
I've moved this files to /var and linked it. I've added command to the /etc/rc.d/rc.local file:
That's it. Are there other solutions to make the root file system is read-only?
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Jan 6, 2011
I want encrypt my fedora file system.
How to i can encrypt ext3 or ext4 file system.
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Aug 16, 2011
I plan to use newsbeuter for console RSS reading.This program has a config text file where I need to store my Google account password,in order to access my Google reader.I don't feel easy at making my password readable to everyone.Is there anyway I can somehow encrypt this information ?
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Jul 11, 2009
I recently installed Fedora 11 64bit and I am curious about encrypting my entire file system for security purposes. I've been on Google for a while now and I keep finding info on how to encrypt a specific folder or home directories but nothing on the entire file system (or I'm missing something big here). It's hard for me to imagine that it isn't. If so, do I need to encrypt the partition my file system is on before installing it? What software should I use? There seems to be so many, it's difficult to keep them all straight.
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Apr 4, 2010
I am still probably of the windows mindset when it comes to security. I ran rootkit this morning and received the following error messages;
[09:43:49] /usr/sbin/unhide [ Warning ]
[09:43:49] Warning: The file '/usr/sbin/unhide' exists on the system, but it is not present in the rkhunter.dat file.
09:43:49] /usr/sbin/unhide-linux26 [ Warning ]
[code]....
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Nov 9, 2010
This might sound really stupid, so you'll all have to excuse my lacking knowledge. I read that USB attacks get more and more common, like putting in an USB stick with a malicious autorun script on it, and it's game over. Can AppArmor protect devices and limit their access to the file system?
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Apr 7, 2011
I'd like to install Ubuntu 10.10 in my laptop. So, I downloaded the iso file and burned into CD. I'd like to install into D drive since I use Windows Vista in C drive.
Below is the specification of my laptop.
Mobile AMD processor 2 G HZ, 1G RAM 32-bit Windows Vista Home basic
Harddisk C : 46 G (18giga free), D : 10 G (10giga free) How can I make partition and where should I start with, either Beginning or End of existing partition? SWAP? I watched a few videos but stlll can't grasp clearly how to do. I tried to boot w/ Live CD. But I didn't see the 4 different options: Try out without installing, Memory test, Ubuntu Disk test, Install Ubuntu, and Booting w/ harddisk. I had only 2 options; Try out w/o installing, Installing. Why is it so?
In addition, while booting w/ Live CD, I saw a message as following:
Error: b43.../firmware file not found.. something like this.. it was too fast to catch! However, I went on and show its desktop screen. May I not be able to install in my laptop? Does my laptop have any faulty disk or memory? I wonder. Finally, I use Wireless connection in the library so when I boot with Live CD, then internet is disconnected. Should I need to be connected before installing?
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Feb 25, 2009
How can I track IPsec module's operations? Can I find such a log file or entries in Linux?
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Feb 12, 2011
I have been trying to use my DS2490 USB to serial device with a Maxim .DG1921G thermocron with owfs. It is supposed to give me access to a virtual file system for the thermocrom without needing to launch owfs as root.
Code:
/var/log/messages gives:
Feb 8 16:22:45 norman-HP-G56-Notebook-PC kernel: [ 236.140141] usb 5-1: new full speed USB device using ohci_hcd and address 2[code]....
but if ds2490 module is loaded it works when run sudo.It seems from this that it is a lack of permissions to USB but I have tried all the methods on at http://owfs.org/index.php?page=udev etc. to overcome this and a few others but none work.I am running Ubuntu 10.10 kernel 2.6.35-22-generic #33-Ubuntu SMP
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Jan 6, 2010
I am trying to launch gst in frrescale IMX51 board. when i try to launch that i am getting the following error as [code]error in opeing firmware binary file pu bin file to /usr/lib folder or export VPU_FW_PATH env
ERROR: pipeline doesn't want to pause.setting pipeline to NULL FREEING pipeline ...[/code[
but i already exported the VPU_FW_PATH and its there in /usr/lib/ also. But still i am getting the same thing.
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Mar 13, 2010
How to convert FAT file system to NTFS file system via Ubuntu,are there any commands to do this task?
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Jul 25, 2010
I downloaded three iso-images, 1 dvd-image and 2 cd-images:
openSUSE-11.3-DVD-i586.iso
openSUSE-11.3-GNOME-LiveCD-i686.iso
openSUSE-11.3-KDE4-LiveCD-i686.iso
Being paranoid, I created iso-files from the burnt DVD-R and the two burnt CD-R to verify integrity.
The iso-file of the DVD-R was identical to the downloaded image. Both iso-files created from the CD-R were different in size.
The original size of openSUSE-11.3-KDE4-LiveCD-i686.iso is 719.323.136 Bytes.
I only got 718.938.112 Bytes when recreating an ISO-file from my CD-R.
The CD-R is from Sony. When the length of my ISO-file doesn't correspond to the downloaded one, the checksum file verification doesn't work.
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Dec 16, 2009
Suppose I have a binary program with only execute permission enabled for the current user. How (in general) would I be able to obtain a core dump of the file? I think I have read it somewhere but I want to know if there are more ways of doing it.
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Apr 8, 2010
I have a Samba share set up on a SUSE server and users connect to the share via Windows XP workstations. On SUSE, if I create a file and grant ownership to "administrator" and give it 770 permissions for example, when someone goes in to modify that file, they become the owner as soon as they save it, and the permissions change to 470 (r--rwx---+) with an access control list. I want to maintain ownership of the file myself and I don't understand why someone changing the file is changing the permissions on it...This is driving me insane because every time someone saves something I have to go in and chmod 770 it before they can save it again.
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Jul 7, 2009
i am trying to set the file permissions for the log files "/var/log/Xorg.0.log" and "/var/log/gdm/:0.log". These files seem to be created when a user logs into a whokstation (my guess so far). I am trying to comply with a security mandate that all log files in the directory /var/log are set to 0640. The two mentioned files always seem to have the permissions 0644, does anyone know where and when these filea are created and how I might set the permissions when the files are created
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Apr 29, 2010
I'm trying to install Squeeze onto a new DELL Vostro 1520 laptop. The Windows Device Manager says it is Realtek PCIe GBE Family Controller.
During the network card detection phase, it prompts to install missing firmware file rtl8168d-1.fw from removable media. I understand that this is a non-free blob removed from kernel v2.6.32.
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