Software :: Amount Of Data Passed Through A USB Device (from USB Stick)?
Aug 17, 2010
I have a probably kind of unusual problem - when a USB stick is connected to the PC and data is copied from/to that stick, I need to know how much data has been copied. The data itself if not interesting, just how many bytes. I unfortunately don't have access to the program that does the copying, and most of the data doesn't end up on any drive (it just gets read and discarded), so I can't simply check the size of a target directory or something like that. I have had a look at usbmon, but that seems to produce way too much data - the normal case would be around 10 gig of data being read, and I can't have that blown up by a factor of 10 and lying around on the hard drive
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Jan 21, 2010
I would like to measure the amount of traffic my webcam is sending. What is the best way to do this? I tried iostat command, but i do not see the webcam traffic back.
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Aug 3, 2010
I am on a limited broadband plan with 4GB download limit per month. Is there any software which can tell me how much data I have downloaded in a particular period of time?
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May 3, 2011
i'm trying to write a program with c socket programming,what i am trying to reach is a program which will calculate a computer's downloaded data from the internet,just to know how much he/she download?
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May 20, 2010
Well, when I copy large amount of data the other applications than Nautilus freezes until the copy is done...
So, what can I do? Because when backuping some data this is really annoying =/
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Jun 30, 2010
I was wondering if there was a Windows or Ubuntu way to limit the amount of data that is able to be sent over the internet between certain times, eg. Between the times of 7am and 7pm can only download 300 MB from the web, when this limit is reached the web is either disconnected or slowed down.
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Oct 30, 2010
My machine has 4 SATA 2 West Digital 1TB disks. I made 2 partitions on each of them, 500GB for each partition. When I started using them I check their I/O using iozone. The first partition has 100MB/s for read, 70MB/s for write. And the second partition has 80MB/s for read, 55MB/s for write. All 4 disks has the same result.
As I use on, the I/O speed on each partition decrease, to different extend. For example, for the 4 first partitions, the write speed varies from 69MB/s to 56MB/s. And I have same amount of data on each of them, all used 11%.
My guess for this is the disk block allocation policy. This is caused because some disk starts writing from inner location while others writes on the outer edge, even though amount of data on each disk is the same.
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Apr 3, 2011
I know there's a command to display the live amounts of data being written and read to the disk.Like, it tells you how many blocks have been read/written so far to a device
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Aug 5, 2011
These following ext3 partitions contain identical data. As we can see, the larger the partition size, the more space is required for the same files:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/loop11 3965777 561064 3199964 15% [...]
/dev/loop19 573029 543843 29186 95% [...]
[code]....
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Feb 16, 2010
my isp is putting a max bandwidth in my area and I need to monitor my downloads and uploads per month. Is there anything that has a gui that is easy to set up and just shows the amount of data downloaded and uploaded per month. Also if possible to do a pop up if you set a maximum bandwidth amount.
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Apr 9, 2011
How to get output of text file containing account number, debit amount, credit amount,date using shell script?
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Jul 15, 2010
I get this pop-up error message whenever I plug it in or try to open it via my file manager:
Quote:
Failed to mount "16G Removable Volume".
Rejected send message, 1 matched rules; type="method_call", sender=":1.81" (uid=1165 pid=4087 comm="exo-mount -n -h /org/freedesktop/Hal/devices/volum") interface="org.freedesktop.Hal.Device.Volume" member="Mount" error name="(unset)" requested_reply=0 destination="org.freedesktop.Hal" (uid=0 pid=3003 comm="/usr/sbin/hald --daemon=yes ")).
[Code].....
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Aug 7, 2011
In order to try to rescue a USB stick which has probably a corrupted allocation table, I would like to get the device.I'm using Ubuntu 10 as a guest in VirtualBox, Host: Win7. Windows just tells me that the USB is not formatted.When tail -f /var/log/messages and I insert the USB stick, there won't be anything appended.
fdisk -l does not show anything.
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Mar 31, 2011
Has anybody noticed that delete in Ubuntu 10.10 is only compatible with Ubuntu. E.g. I have a usb stick with 2 movies on it. Delete them using ubuntu's Gui just right clicking files and move to thrash so the drive looks empty. then i physically remove the drive and put it into a windows xp machine and all the files are still on the stick just put into a folder called thrash.
I also reformatted the usb stick Fat32 inside ubuntu and when i put it into the windows machine the file names were still there. (The movies were currupt and unplayable in Windows.)But still its very strange I suppose i'll just have to Blow up my usb if i ever need to destroy the data on it.. Just let me know if this has happened to you guys before. (I had Bootable Backtrack 3 on one of my old usb's that I gave to a work colleague.
I know that deleting and reformatting only deletes the indexing info for the OS but i always thought that deleted files couldn't be accessed by the average computer user.
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Jan 24, 2010
My wifes computer, IBM desktop, running XP, was hit by malware. I managed to save the data and tarred it and copied to a USB memory stick using my Linux box Ubu 9.1). I checked and saw it had been truly saved. Two days later I put stick in USB port and it was not recognized (usually any hot plugable device shows up immediately on desktop). I have tried plugging it into a windows machine and nothing was found. We are both very desperate at this apparent loss but because something similar happened with an Iomega zip disk.
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Sep 6, 2011
OpenSuse 11.4 32bit KDE 4.6.0
When I plug in my 8 GB SanDisk Cruzer USB stick into my desktop box, the KDE Device Notifier fails to recognize it. It will recognize every other USB stick. "fsck" reports no errors. I can mount it manually. I can read and write to it. The Device Notifier on my netbook recognizes it. So does another desktop box. By the way this started recently so I suspect some software update.
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Apr 9, 2011
How do I find the device that a usb stick is tied to (eg. /dev/sdc)
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Feb 16, 2010
How do I enable/disable a stick pointing device in Ubuntu (9.10)? How can I configure clicking and scrolling with the stick pointer? (I can't click with the stick and scroll the page.)
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Jan 6, 2011
I want to install ubuntu 10.10 on my old laptop. I try to do this by usb stick, i came to the blue window boot device, there are 4 options to choose: Hard disk, cd-rom/dvd, floppy disk and lan boot. I tried all of them, but nothing happend.
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Sep 27, 2010
I have just started to learn Java programming and need to be able to use a compatible notepad equivalent in Ubuntu i will need to save the data as is,in Ubuntu and be able to transfer the data from my Linux machine to the windows desktop regularly via memory stick i absolutely love Linux and don't want to have to go back to windows to do this.
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Jan 25, 2010
I want to send raw data to a usart port of my board connected to linux box. i know the command
echo "abcxyz" > /dev/<usb_dev_file_name>
would write the raw bits for characters abcxyz to the usb device but the problem is how do i know which device file to write to?there are so many in my /dev.
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Jun 28, 2011
I wish to read the Manufacturer data and other details such as Device ID, Serial number on a USB drive.
1. Could anyone help me out with information on the memory structure of a USB drive? (which location is the mnfr data stored?)
2. Are there are any commands in Linux that will help in reading/accessing this data?
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Aug 14, 2010
I have an Aspire One with Linux operating system.
I have an external hard drive that I want to save data to from my Aspire One however when I try I get a message that the external hard drive is full.
I know it isn't full and when I use the external hard drive on my other pc with Window 7 it is fine.
I am assuming my problem is something to do with the ACER Aspire One
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Aug 20, 2009
In a nutshell, our RAID 1 array was rendered broken and we were advised that core lib files were missing and the OS needed to be reloaded... a quote from our server host:"The OS is not healthy.This server will need a reinstall.
Libs are missing." This was after having replaced what we though was a faulty /dev/sdb. So they reloaded the OS (Debian 5.0.2 x86_64) on 2 FRESH drives, and installed the old /dev/sda as /dev/sdc once the reload was completed. Here's the output of /etc/fstab on the fresh install so we know what we're working with:
Code:
debian:/BAK# cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
[code]....
The one problem I see myself running into is /dev/md1 and /dev/md2 are currently in use by the new system, so I cannot mount it there. I should also note, reloading the OS is a viable option if needed as we haven't started configuring the server yet. So if we need to reinstall the OS and assign the NEW RAID arrays to something other than /dev/md1 and /dev/md2 then we can do that.
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Jan 6, 2010
I've been looking for a good data integrity test tool for linux, but I'm having trouble finding one. Basically I'm looking for an application that will generate a heavy I/O load to a raw device and then perform some kind of data verification on the device. I my case the raw device will be md raid5 array.
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Dec 25, 2009
I was testing a bug in F12+Acer Aspire One and its 'suspend' feature (you can probably find the thread) and I ended with my SDHC card messed up. I formatted it as ext2 (or ext3, don't remember exactly) and apparently its superblock got corrupted. For one thing there is a single file I want to recover from the card (I don't mind formatting it afterwards). I am no expert using e2fsck or fsck, that's why I am asking here. In addition I used the "dd" command to create a backup of the drive in a file (so I can start tinkering with it). What is the best course of action to recover my files? Either from the card or from the image?
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Feb 7, 2010
I'm thinking of a web based app that will monitor temps and values fed in from a data acquisition device but am seeking advice on what to use to produce the web page would php be powerful enough? The app will also have to have access to a shell for scripting, I know thats a security risk but it will not be in an exposed env. The web page will have a series of lcd readouts displaying the aquired data refresh rates will probably be around 5 seconds along with control buttons to turn on and off values. Storing data in a mysql database for statistical reports would be needed eventually. Ubuntu 9.10 will be the os. Is python easily integrated into apache?
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Jun 10, 2010
Why do I see different values of character 'a', in main() and in functionA() in the following C++ code?
Code:
#include <stdio.h>
#include <string.h>
#include <iostream>
using namespace std;
[Code]....
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Jun 24, 2011
Now i have a problem.I want to used a hid usb device under linux 2.6.11.But i can't know how to used ioctl function to send and receive data to a hid device
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Apr 19, 2010
i am installing Ubuntu version 9.10 in VMWare Work Station 7 but i can't get passed to 'Install Ubuntu'. I tried pressing enter but it still won't load.
Is there any key or command that i have to enter?
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