Universal Serial Bus (USB) establishes a connection between devices and a host computer.

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26 views

Accessing usb in Qt(Beagleboard xM) [closed]

I am on the process of building a GUI application using Qt. I need to use the USB ports for my application. I searched for Qt USB support and ended up in this link, I tried to run this but every time ...
3
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1answer
40 views

Remove USB flash-drive write-protection

I have a sports-watch which has an integrated flash-memory. This flash-memory is used to store training information. When I connect the watch to my computer using the USB cable, it's detected as ...
1
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1answer
44 views

Udev rules involving X11 don't run on startup

I have some udev rules written to run when I connect certain usb devices. For example, I change pointer velocity for certain mice, and change xmodmaps for particular keyboards. The scripts work well ...
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2answers
74 views

udev rule not working

I have created a udev rules which is supposed to mount a USB device, backup some datas et cleanup everything. I am actually working on a Debian server. There is the information about my usb device ...
0
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0answers
19 views

Setting USB remote wakeup

We have a custom Linux board, where we are able to power the system down and only maintain USB power. This feature should be used for waking the system from an USB device. Therefore we want to set ...
3
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1answer
66 views

USB to Serial in Chrubuntu - /dev/ttyUSB0 missing

The usbserial stuff has been working so well for me in Ubuntu for a number of years that I have almost forgotten how to troubleshoot it. I just installed Chrubuntu, however, and now my usbserial is ...
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0answers
44 views

unable to connect intex 3.5g modem in ubuntu 12.04

Can anyone help me out on connecting usb modem in ubuntu? Here are the steps i have followed, initially it is recognized as a storage device and the modprobe cmd does not create any impact on it ...
2
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3answers
53 views

How to check if the ISO was written to my USB stick without errors?

I followed these DebianEeePC HowTo InstallUsingStandardInstaller instructions at the Debian Wiki, to write a Debian ISO to my USB. dd if=debian-*-netinst.iso of=/dev/sdX Using sha1sum, I can check ...
2
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2answers
27 views

How should I format a USB prior to writing an ISO to it?

I found these Debian EeePC HowToInstallUsingStandardInstaller instructions at the Debian Wiki, stating that I can install an ISO to a USB using this: dd if=debian-*-netinst.iso of=/dev/sdX Do I ...
3
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3answers
93 views

What filesystem should be used when transfering files between Linux systems?

I often need to move files between two Linux computers via USB. I use gparted to format the USBs. When I formatted the USB to use FAT32, the USB was unable to copy symlinks, so I had to recreate the ...
2
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1answer
60 views

Running Ubuntu of a USB stick. Can't install wireless driver

I've installed Ubuntu 12.04 on my 8 gb USB stick, and got it running. It seems like I don't have the full Ubuntu OS on the stick though, and that was my intention. Anyway, I can run a "demo" version ...
0
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0answers
17 views

Unable to connect Intex 3.5g modem in Ubuntu 11.04 [duplicate]

When I try to connect Intex USB modem firstly it is not displayed as a USB modem in networking panel. Then afterwards wen I try to manually add it, I get errors I have tried gnome-ppp and ...
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0answers
38 views

Run script on “Safely remove” action in KDE

I have a Linux box with KDE 3.5.10. I do not plan to upgrade it soon, so please don't answer that. Now, I want to run a script each time I select the "Safely Remove" option on a mounted USB ...
4
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0answers
52 views

Is there a way to mirror USB outputs?

I'm currently writing a program for a project. It is for a braille reading system where I have a braille display connected via USB that is controlled by a program called brltty. One of the ...
0
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3answers
45 views

USB Hubs and Linux

I have found over the course of 3 different distros that USB hubs simply don't work "out of the box". Is there any advice out there that can help me get my USB hub working in Crunchbang?
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0answers
35 views

lsusb outputs “Illegal Instruction” - why?

I'm trying to get a 3G USB dongle to work on a Raspberry Pi running Raspbian Wheezy, using a script called sakis3g. However, in trying to do this, I keep running into problems: when trying to connect ...
4
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3answers
71 views

Watch USB connections vendor id, product id, revision

I'd like to simply watch all devices added and removed from my system and view their USB vendor ID, product ID, and revision and other relevant information. How can I do this in Linux? Is there a ...
0
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0answers
60 views

How do I install Red Hat Linux 9.0 Shrike from a USB drive?

I have a desktop PC which does not have a CD drive and does not have access to the Internet or other networks. I want to install Red Hat Linux 9.0 "Shrike" on it using a 8GB USB flash drive. I have ...
0
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0answers
83 views

3 of 4 USB ports not working on CentOS 6.4

There seems to be a problem with my USB ports on my Lenovo IdeaPad Y580. On Windows 7 all four of them work just fine, but on CentOS 6.4 only one works. I have checked that the devices I used to test ...
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0answers
57 views

Trouble communicating with FTDI FT245RL on ttyUSB0. works fine on Win7x64

I purchased a Sainsmart 4 channel USB relay board which seems to be based on a FTDI FT245RL chip. I should be easy enough to use. when you plug it in it appears as a serial port (VCP). You send it ...
0
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1answer
41 views

Cannot boot from usb

I bought a new computer (Samsung NP900X4D) which came with Windows 8. I want to install linux (Mint 14) but the computer lacks any optical drives, and so the only option (I'm aware of) is using a ...
2
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2answers
241 views

Why is USB not working in Linux when it works in UEFI/BIOS?

For background I have just built a new machine with modern hardware including: AMD FX-8350 Gigabyte GA-990FXA-UD3 motherboard 16GB RAM NVidia GTX 650 Ti Kingston SSD Given that, I tried to install ...
0
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3answers
272 views

USB mount doesn't work on Centos 6.4

I have a problem. After an update, my USB drives are not mounted automatically and I'm unable to mount them manually... The output of my fdisk -l command is: Disk /dev/sdb: 15.8 GB, 15762194432 ...
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0answers
76 views

Resetting a USB cellular-modem?

I'm working on putting together a little Raspberry-Pi box which will connect to the net through a cellular-modem (like a Huawei E220, E1750, or E173). It needs to be able to sit there and run for ...
1
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1answer
133 views

Reading from USB serial port under Cygwin

I am actually using Cygwin, but it is my understanding that it responds to Unix commands so hopefully I am in the correct place. I have an Arduino hooked up via USB to my LapTop for data reading. I ...
0
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1answer
63 views

USB-Serial Driver(Exar Xr21v1414) Run Error

I'm currently trying to run the bellow driver in linux-3.8.3 on Exar xr21v1414 http://www.exar.com/connectivity/uart-and-bridging-solutions/usb-uarts/xr21v1410, but when i install the driver ...
2
votes
1answer
113 views

Why doesn't this udev rule trigger upon removal of the device?

I have two mice, one which has an issue where the middle mouse button and button6 get triggered simultaneously. So I configured my ~/.Xmodmap to disable this button. At the same time, however, I ...
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0answers
139 views

How to retrieve sysfs devpath of a USB flash drive given its corresponding partition sysfs path?

I have a USB flash drive connected to a hub. Its storage device partition devpath in sysfs is /devices/pci0000:00/0000:00:12.2/usb6/6-1/6-1.2/6-1.2:1.0/host10/target10:0:0/10:0:0:0/block/sdb/sdb1. I ...
0
votes
1answer
149 views

Cannot access HDD files through Linux Mint Live USB

I have valuable info on my Ubuntu partition, but it crashed, and I tried to get to it through Live USB with Mint 14, but it says it's read only. Can I make it writable too? So I can put it on my ...
2
votes
1answer
146 views

Using screen to connect to Cisco console

I am trying to configure a Cisco (small business 300) via serial port. I read here: http://www.commandlinefu.com/commands/view/6130/use-screen-as-a-terminal-emulator-to-connect-to-serial-consoles ...
0
votes
1answer
212 views

Fixed udev rules for USB modems

On gentoo i have 10 USB modems and every of them has 3 interfaces /dev/ttyUSB0, 1, 2 and so on for each modem. Sometimes their postitions can change, so it is very difficult to work with them. I'm ...
1
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1answer
225 views

MTS MBlaze 3G USB Dongle in Mint 14 Cinnamon

I recently installed Linux Mint 14 Cinnamon 64-bit along with Windows 7. I have a MTS Mblaze 3G USB dongle. This dongle has 2 modes i.e., 1X mode which gives less speed up—to 30 kbp/s and a ...
3
votes
2answers
151 views

Use an USB tethered phone as network adapter

I am running CentOS 6 and was able to tether my HTC phone using a proxy called proxoid . This allows me to redirect HTTP. But how do I redirect the entire TCP traffic, e.g. if I need to setup openvpn ...
1
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0answers
76 views

How to load kernel module in Chromium OS?

I've installed the Chromium Vanilla by Hexxeh to a USB drive, but I can't use it on my computer because it lacks the carl9170 driver, which is needed by my adapter (a D-Link DWA-160.) I've managed to ...
4
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0answers
135 views

Attaching USB-Serial device with custom PID to ttyUSB0 on embedded

I'm attempting to get an FTDI USB-Serial device with a custom PID to automatically (or even manually) attach to ttyUSB%n, without much success. The device's normal VID/PID is 0403/6001. When ...
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1answer
110 views

Change value of USB “max_sectors” for an entire family of devices

I've been using Linux for a while, but only since I started using "recent" distros (ie.: anything non-Debian) I have started having I/O problems with most of my USB devices. Basically when trying to ...
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0answers
61 views

Using USB 3 controller with Linux 2.6.x

I have a laptop that has an USB controller and an SD card which I believe connected to USB3. I need to do some development on a Linux version 2.6 which doesn't support USB3. Can I use USB 3 ...
4
votes
1answer
156 views

How to get UUID for a USB drive?

I want to mount my USB to a mount point which holds the UUID name. But I don't know how to express this in a command line! Can someone help me how to do it? I have searched and found that I have to ...
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votes
1answer
97 views

USB key not responding when inserted

I just attempted to create a USB key for Chrome OS. I followed the instructions found here. This is what I did: 1- Downloaded a .zip version of the build. 2- Extracted the .zip file which gave me a ...
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0answers
62 views

Flash disk USB Fedora installation reset counting

I have created a flash disk with pen drive Linux universal USB installer to install Fedora 18 on my system but after booting, a counter starts and then reset and never installation begin. My system is ...
2
votes
1answer
191 views

How to bind USB device under a static name?

I have an arduino which sometimes gets bound to /dev/ttyUSB0 and other times to /dev/ttyUSB1 making my script fail. I do not want to enumerate all the possibilities of where my device could be, but I ...
2
votes
1answer
95 views

What is the udev rule to allow specific thumb drive vendors?

How can I write a udev rule that whitelists specific vendors and doesn't allow other USB drives? Do I put it in /etc/udev/rules.d, or /lib/udev/rules.d? What command do I run to test if the rule is ...
0
votes
1answer
127 views

Impossible to mount USB stick

I've just installed Debian Sid on my computer but I cannot mount external USB drives as you can see in the image. Mounting failed Cannot mount "SENZATITOLO" Not authorized What should I ...
0
votes
1answer
232 views

How to use one distro's live CD to install another distro?

I'm trying to install Mint Linux to a USB stick, but the Mint live CD doesn't fit on a normal CD and I don't have any DVDs available. The Ubuntu live CD does fit on a CD, so I want to use the Ubuntu ...
1
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1answer
498 views

Endless data loop from dev/ttyUSB while sending AT commands

I have problem sending AT commands to my USB modem. At first I tried php-serial class, but when i was reading data, I got endless loop with strange data. Then I tried to debug problem and opened putty ...
1
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1answer
394 views

Mounting USB drive on 3G dongle

I've got an Huawei HiLink E303 USB G3-internet dongle that I'd like to use to connect to the internet. I'm using Arch Linux. According to this page, the Linux drivers are actually on the device and ...
2
votes
1answer
168 views

(Solved) Linux cdc_acm device - unexpected characters sent to USB device

I'm having trouble with unexpected characters being sent on a USB port with the cdc_acm driver. What makes this all the more perplexing is that the code runs fine on Ubuntu 12.04 (3.2 kernel) but ...
0
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1answer
25 views

USB_HID is not working

How do I get a usb keyboard to work? I have already selected and compiled the USB HID transport layer and I don't know what else to do.
2
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1answer
273 views

how to disable USB devices based on vendor id in Linux environment?

I want to disable usb devices based on vendor id in Linux environment. I want to allow only specific USB devices, based on vendor id.
3
votes
1answer
139 views

Getting keyboard to work in debian 6.0 in order to unlock root partition

I just installed Debian 6.0, encrypted / and now I'm trying to boot. When GRUB comes up, I select Debian, it loads the initrd and asks for the root password, however I can't enter anything, because ...

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