Ubuntu Security :: Assign Read-only Permission On Mass Storage And CD-ROM?

Jan 7, 2010

I have Ubuntu9.10 installed in my laptop, and I want to give read-only permission on mass storage device (USB flash & external HD) & CD-ROM.
please guide me how this is possible. It should be automatically.

It's necessary for security purpose.

View 5 Replies


ADVERTISEMENT

General :: Working Of Read & Write Request To Mass Storage

Jan 18, 2011

How does the read & write request from a command prompt go to usb & retrieve the file ? When a read request is given , I/O manger sends the request to file system manager (FSM) and from FSM to mass storage device drivver and from there to mass storage , is this right in Linux ?

View 1 Replies View Related

Ubuntu :: Kernel Lock With Usb Mass Storage Device ?

Feb 2, 2010

I just discovered that inserting any USB drive causes an immediate hang of the system. The keyboard caps lock and scroll lock lights blink. Only recourse is to power cycle the system. This is after installing Kubuntu 9.10 in January, I don't believe I had occasion to insert a USB drive until tonight. 100% reliable. No entries in logs, presumably because it hangs the kernel when it happens. The /var/log/kern.log file has been corrupted due to file system damage (1+ sectors of some other file inserted into chain) and probably other files as well.

I've not had occasion to report other bugs, but I've found no way to report anything other than application bugs. I tried using "ubuntu-bug kernel" which helpfully said there was no such application as 'kernel' and has been busy "collecting problem information" for the last half hour or more. Somehow I don't think its ever going to finish.

The crash only happens when booted into Kubuntu 9.10. If I boot off of 9.04 then USB drives work fine. Both USB drives I've tried reliably produce the crash. One is a random cheap USB thumb drive (imprinted "Cisco"), the other is a 16GB Corsair Voyager.

View 2 Replies View Related

Ubuntu :: Plug My Usb Mass Storage - Get Nothing As Id I Haven't Plugged It

Sep 22, 2010

I have a problem with my Ubuntu which is when I plug my usb mass storage I get nothing as id i haven't plugged it. Nothing appears in the Computer , and when I do the command fdisk -l.. the usb mass storage isn't there to mount it and when i press lsusb

Code:

Here is the dmesg

Code:

My ubuntu is lucid 10.04, and my mother board is Gigabyte GM31.

View 2 Replies View Related

Debian Configuration :: USB Mass Storage Permissions ?

May 20, 2011

When I connect a USB stick to my laptop, it is mounted as root:root. I want ot be able to use it as the logged in user

It has worked in the past (1+ month ago), but recently it just mount it as root:root.

My userid is 1000, so somewhere in the system it knows that the current user is relevant.

The directory created

The date is off System time is correct - so this could be an indication of what is wrong.

I have tried with my own custom compiled kernel and now I am using the latest 2.6.38 official image.

View 10 Replies View Related

Ubuntu Multimedia :: USB Mass Storage Class Music Players?

Feb 4, 2010

I am so completely frustrated with this and can't seem to find any solid answers. I have a Google Nexus One phone. I want to also use it as a portable music player. I can find no player for Linux that can do ALL of the following:

- copy music
- transcode when necessary
- transfer cover art in appropriate format
- transfer playlists (music files AND .m3u playlist files)

Banshee is the closest, but it is so painfully slow, has many problems with tags and also doesn't transfer playlist files. Banshee advertises support "out of the box" for this device. I've tried overriding with an .is_audio_player file, but it is ignored. Rhythmbox will transfer song files and transcode as necessary, but no artwork, no playlists. Exaile doesn't recognize this device for some reason.

View 4 Replies View Related

OpenSUSE Hardware :: USB Mass Storage Device Not Mounting

Nov 22, 2009

I am currently using opensuse 11.2 with kde 4.3.1. I am having a problem when I connect my samsung R450. It will not mount or show up as a usable device in either Dolphin, Amarok, or on the device notifier. I have tried manually mounting but I get an error saying it cannot find such device. I did not have any issues using it in 11.1 with KDE 4.2. It is being recognized by my system, but not allowing it to show up as a storage device or being mounted.

output of dmesg:

PHP Code:

output of lsusb:

PHP Code:

When I shut of the usb mass storage on the samsung R450 it switches to modem and is properly detected and usable as modem by my system.I don't have any other problems with other usb devices, such as a digital camera or flash drives, so I don't know if I just missing a system setting or configuring something wrong.

View 9 Replies View Related

General :: Mounting Mobile Phone's Mass Storage?

Feb 23, 2011

I have a problem when trying to mount a memory card in my cell phone. I connect the phone with an USB cable, select mass storage as the phone prompts it, but no luck.

dmesg shows

Code:
[ 200.673190] usb 3-1: new full speed USB device using ohci_hcd and address 4
[ 200.823377] usb 3-1: New USB device found, idVendor=05c6, idProduct=1000
[ 200.823386] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3

[Code].....

Just to be sure I tried the same thing with FreeBSD, though I knew from past experiences what to expect from it. It just worked(tm) flawlessly, but I'd rather not keep FreeBSD just for the sake of one device I can't seem to get working with Linux. All I can guess it must either be a kernel bug that has persisted for far too long or a faulty udev rule.

View 7 Replies View Related

Hardware :: Steps To Block Usb Mass Storage Devices?

Sep 7, 2010

steps to block usb mass storage devices in linux

View 2 Replies View Related

General :: Handle Bad Block In Mass Storage Device?

Nov 2, 2009

* I am implementing mass storage device on a test board.

* It contains NAND flash.

* Using corresponding "udc driver" and "g_file_storage" I could make my test board enumerate as mass storage device on my Linux machine.

* my 16 MB pen drive (test board) is now ready for read/write.

But there are some Bad Blocks on the NAND.Hence copy is not complete. Although on Linux machine there is no error message. Now , what is there in a normal pen drive which manages the Bad Block or what am I missing so that such Bad Blocks are managed.

Here is the error I get on my test board :

mtdblock: erase of region [0x2c0000, 0x4000] on "Bon 2" failed
end_request: I/O error, dev mtdblock2, sector 5664
Buffer I/O error on device mtdblock2, logical block 708

[code]....

View 3 Replies View Related

Ubuntu Multimedia :: Disable Mass Storage Device Mounting In Rhythmbox?

Oct 15, 2010

I have a 1TB external HDD which I use to store my music library of roughly 40 gigs. Therefore I would normally import music directly from it to my Rhythmbox library while keeping everything stored on the removable drive. In recent versions of Rhythmbox this is no longer needed as the application integrates my external HDD into the side pane and lists the music automatically. This is great although when closing Rhythmbox and reopening it, the drive has to be scanned all over again. This is a huge pain when it has to scan through 40+ gigs of music.

Therefore I would like this feature disabled and removed from my side pane. It is not needed and causes quite a large annoyance. Either I want it removed or the ability to keep the index of music from the drive in Rhyrhmbox at all times. Achieving this would be fantastic and would switch me back to Rhythmbox. recently I have been using Exaile which I love but rhythmbox not working bugs me.

View 1 Replies View Related

Ubuntu :: Switch The Mass Storage Device Into Modem In The Terminal Window ?

Nov 4, 2010

I am beginner in UBUNTO 10.04 LTS. I have a mobile broadband of Relience which use the device of Huawei EC 1262. I have a problem with this modem. when i installed required packages for this device like usbswitch, wvdial etc, my internet connect works fine but as i switch off the PC and restart, PC can not detect the modem, it detect as mass storage device. Is there any command/option that i switch the mass storage device into modem in the terminal window or on the GUI platform mean on the desktop screen.

View 2 Replies View Related

Ubuntu Multimedia :: Unnable New E2120 Samsung Phone As A Mass Storage Device?

Jul 17, 2010

I need to enable my new E2120 samsung phone as a mass storage device. but I think I need a USB driver. Had a good look round the forums but can't seem to find any posts. Its quite a new phone but hopefully the solution is already about. When I plug it into the USB the phones screen has a hashed out 'mass storage' option.

View 1 Replies View Related

Fedora Security :: Error - Cannot Read /etc/shadow: Permission Denied

Jan 20, 2010

This is weird, today I updated my system and while trying to visudo from single user mode got

"cannot read /etc/shadow: Permission denied"

which kept me from doing anything until I switched to file permissions of 400 on shadow, then back. Is this being experienced by anyone else or just me? /etc/security/limits.conf doesn't seem like it wants to change in enforcing mode either and I can't find any alerts to provide clues on the situation.

View 8 Replies View Related

Debian Multimedia :: Mount Android Mass Storage Device In Thunar

Apr 12, 2016

Since I use openbox with some packages from Xfce4 (mainly for convenience) I get most stuff "for free" as it were when using openbox, but I can't figure out how to mount android devices in a simple way. I can either do it manually, or install some other file manager that has this capability. This leads me to my question, I've noticed that if I install Nautilus, which automatically mounts android devices OotB, I get this functionality in Thunar as well. This leads me to believe that there is clearly a dependency package of some kind installed when running apt-get install nautilus that enables it, It'd be great to get this functionality in Thunar without having all the nautilus packages just littering about for no good reason. the required package is gvfs-backends, which I should have realized when I was unable to browse smb:// addresses. You forget a lot when you only make a fresh install once every 2 years or so.

View 0 Replies View Related

General :: Remove Kernel Lock From Unmounted Mass Storage USB Device

Jun 3, 2010

I've searched high and low, and can't figure this one out. I have a older Olympus Camera (2001 or so). When I plug in the USB connection, I get the following log output:
$ dmesg | grep sd
[20047.625076] sd 21:0:0:0: Attached scsi generic sg7 type 0
[20047.627922] sd 21:0:0:0: [sdg] Attached SCSI removable disk

Secondly, the drive is not mounted in the FS, but when I run gphoto2 I get the following error:
$ gphoto2 --list-config
*** Error ***
An error occurred in the io-library ('Could not lock the device'): Camera is already in use.
*** Error (-60: 'Could not lock the device') ***

What command will unmount the drive. For example in Nautilus, I can right click and select "Safely Remove Device". After doing that, the /dev/sg7 and /dev/sdg devices are removed.

The output of gphoto2 is then:
# gphoto2 --list-config
/Camera Configuration/Picture Settings/resolution
/Camera Configuration/Picture Settings/shutter
/Camera Configuration/Picture Settings/aperture
/Camera Configuration/Picture Settings/color
/Camera Configuration/Picture Settings/flash
/Camera Configuration/Picture Settings/whitebalance
/Camera Configuration/Picture Settings/focus-mode
/Camera Configuration/Picture Settings/focus-pos
/Camera Configuration/Picture Settings/exp
/Camera Configuration/Picture Settings/exp-meter
/Camera Configuration/Picture Settings/zoom
/Camera Configuration/Picture Settings/dzoom
/Camera Configuration/Picture Settings/iso
/Camera Configuration/Camera Settings/date-time
/Camera Configuration/Camera Settings/lcd-mode
/Camera Configuration/Camera Settings/lcd-brightness
/Camera Configuration/Camera Settings/lcd-auto-shutoff
/Camera Configuration/Camera Settings/camera-power-save
/Camera Configuration/Camera Settings/host-power-save
/Camera Configuration/Camera Settings/timefmt

Some things I've tried already are sdparm and sg3_utils, however I am unfamiliar with them, so it's possible I just didn't find the right command.

# mount | grep sdg
# mount | grep sg7
# umount /dev/sg7
umount: /dev/sg7: not mounted
# umount /dev/sdg
umount: /dev/sdg: not mounted
# gphoto2 --list-config

*** Error ***
An error occurred in the io-library ('Could not lock the device'): Camera is already in use.
*** Error (-60: 'Could not lock the device') ***

View 4 Replies View Related

OpenSUSE Hardware :: Cell Phone Mass Storage Device Doesn't Show Up?

Feb 14, 2010

It doesn't show it on the device-notifier, or fdisk, and not sure if this will be any use to you. In windows it appears immediately as a MSD, doesn't show as a modem or anything first.

Code:
linux-gg0e:/home/Chris # tail -f /var/log/messages
Feb 14 10:20:09 linux-gg0e smartd[2752]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 51 to 50
Feb 14 10:20:09 linux-gg0e smartd[2752]: Device: /dev/sda [SAT], SMART Usage Attribute: 195

[Code]....

View 1 Replies View Related

General :: Manually Mount A PC To Access A Samsung Galaxy S Phone Mass Storage?

May 27, 2011

I would like to download a few (591)images from the Galaxy S phone. Samsung have advised me that to do that I need to place the Galaxy S phone on Mass storage, whivch I can do and plug the phone USB cable to the PC and manually mount the USB. The Galaxy S firmware 2.1-update1 doesn't support automatic mounting! The Galaxy S has an Android platform Kernel version 2.6.29 with root @SE-S604 #2. I'm running Ubuntu 10.04 on a AMD Athlon(tm) XP 1700+ with 1G of ram. It's the manual mounting of the USB connection

View 1 Replies View Related

Programming :: What Are The Series Of Files That Are Called When A User Make Copy Operation From Usb Mass Storage To Hard Disk

Mar 20, 2010

what are the series of files that are called when a user make copy operation from usb mass storage to hard disk?i have reached the code of the usb mass storage in linux kernel 2.6.33 and i want the exact code the make the copy how can i do that?

View 2 Replies View Related

Hardware :: Retrofitting A Device File For A Mass Storage Device?

Jan 7, 2010

here we have an older digicam (Jenoptik/Exakta Model "DC 22", if someone might want to know) that can be switched between some "PC Camera mode" and "Mass storage mode".Unfortunately, if attached to USB, it is always recognized as

Code:
UDEV [1262910483.475886] add /class/video4linux/video0 (video4linux)
lsusb tells:

[code]...

View 4 Replies View Related

Security :: File Permission - Read An Execute Only File

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.

View 1 Replies View Related

Security :: Crashing Apache Mass Connection?

Aug 29, 2010

Basically, this is not the first time it happened, but the third I would say. My trouble and concern is with this massive downloading targeting a test file of mine/client file of mine. Since my server couldn't support that many connections child process spawns, my apache server crashed.

I managed to solve it by closing the client's account, preventing the attack from continuous download. Another way I could solve it was by replacing the file they attempted to attack with 0 byte file.

I'm wondering if there is a possible solution to prevent such issue in future. I'm also not very sure what kind of attack this is. Could it be DDOS? But from what I've asked, some said it wasn't DDOSed, if it was, my whole server would go down, not only apache.

What I was curious was how these attacker found out the files that were stored on the server. These files were not leaked outside, nor there could be a possibility to access that folder because it was protected by .htaccess which deny everyone.

View 4 Replies View Related

Server :: Cannot Assign Read Access To User

Feb 18, 2011

ls -al /guests

I want to be able to assign the group "readers" read access to guests/c1 but it says access denied. but it shows r-x acsess. i want to be able to control who has read access and not just give it to everybody.

View 2 Replies View Related

Ubuntu :: Permission Denied For Executing Files On The External Storage?

Jan 24, 2010

I have a dual boot Dell Studio laptop with Windows (VISTA) and Ubuntu (9.0.4) installed on it. I have recently installed Ubuntu to make it a dual boot. Before that I was using LiveUSB Ubuntu image for six months (without any problems).

During the installation of Ubuntu, I created a Linux partition of 2GB for Ubuntu installation (assuming that it was running successfully on my 2GB USB drive). All of my other work (e.g. documents/programming projects etc.) are stored on the Windows partition (which is loaded during the boot time automatically). The problem is that I get a "permission denied" error while running any executable file on the Windows partition. But if I copy the same executable on the Linux partition, everything works perfect. Am I missing something here?

I have verified that the executable have necessary execute permissions.

View 4 Replies View Related

OpenSUSE :: HAL - Permission Denied To Automount External USB Storage

Nov 2, 2010

11.3 in use with KDE. When I plug in an USB stick or my HTC phone into the USB connector the device is recognised but can't be opened in dolphin. This is the error message:

Code:
org.freedesktop.Hal.Device.PermissionDeniedByPolicy:
org.freedesktop.hal.storage.mount-removable
auth_admin_keep_always <-- (action, result)
but the device is shown in dolphin as a removable device and

Code:
# lsusb
Bus 001 Device 005: ID 0bb4:0ff9 High Tech Computer Corp.

View 9 Replies View Related

General :: Windows Access The File From Ubuntu Got Read Only Even Though Have A Full Permission To Read, Write And Execute The File?

Feb 4, 2010

What are the possible problem when Windows access the file from Ubuntu got Read Only even though have a full permission to read, write and execute the file? Ubuntu to Ubuntu accessing the file there is no problem only Windows got a problem.

View 1 Replies View Related

Programming :: Bash Scripting...read A Value From A File Then Assign To Variable?

Feb 27, 2011

At my wit's end I can't find anything that I understand well enough to use. This is for a Unix class, we are working with shell scripting. File1 has 5 in it and File2 has 100 in it.The teacher wants us to read the values then do the math. This is what I have so far:#!/bin/bashvar1='cat File1'var2='cat File2'var3=`echo "scale=4; $var1 / $var2" | bc`echo The final result is: $var3

View 9 Replies View Related

General :: Assign Read Privileges To User On Specific Directories And Files

Jan 26, 2011

I am using CentOS 5.5 and I created few users (useradd john etc.) and now I want to assign privileges to this user on some directories and files in those directories. For example I want to give read privileges to directory "/documents" and all of files under that directory.

View 13 Replies View Related

Debian :: Slow Read/write On External Storage Devices Connected Via USB

Mar 29, 2010

I am running Lenny. USB storage devices are painfully slow, if the data to be copied is above 4GB it works on transferring for more than half an hour and then comes up with an error dialog(saying something like file size is too big). The problem exists in both read and write.

I did google a bit and here is the output of lsmod | grep hci
ehci_hcd28428 0
uhci_hcd18672 0
usbcore118192  4 usb_storage,ehci_hcd,uhci_hcd

[Code].....

View 2 Replies View Related

Ubuntu :: External USB Hard Drive Keeps Getting Read-only Permission

Feb 17, 2011

I have a computer with Ubuntu 10.04, with few disk space. For downloading some torrents, I've connected a USB hardrive, ext4 formated. But this idea wasn't a solution, because the drive keeps getting read-only permission... Is there any way of prevent this to happen?

View 2 Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved