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

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3
votes
2answers
965 views

Mount a device as another user

Is there a command (on Debian Wheezy) that a testuser that belongs only to the group testuser can run (maybe he needs to be listed in sudoers first) in order to mount a USB stick as if he belonged to ...
2
votes
1answer
618 views

Resetting USB device without root permissions

I'm getting a strange behavior on an Android system when quickly plugging and unplugging usb devices from a usb hub. What happens is that after some quick plug/unplug of a device on the hub, I start ...
0
votes
1answer
570 views

Debian - Boot from USB

I currently have Debian 7.0 installed on my laptop (HP Pavilion dv9700). I would now like to install Arch instead. I wrote the Arch ISO to a USB drive, but when I start up my computer, it ...
3
votes
1answer
382 views

Is it possible to have two seperate one way (simplex) serial ports to make single tty device?

I am building embeded device, which has IR comunication with PC and it will have two IR Led/detector pairs which are one-way and are setup like this: IR source input commands -> near embeded device ...
2
votes
2answers
6k views

Automount not disabling in Ubuntu 12.04 or 13.04

I'm trying to disable the automounting of any usb device. I have this working in Ubuntu 10.04, but I'm trying to do the same in either 12.04 or (ideally) 13.04 but not having any luck. Everywhere I ...
3
votes
1answer
315 views

How do I access a flash drive that has been ejected without physically plugging it out and back in? [duplicate]

When I plug in my flash drive, it gets auto-mounted. If I right click on the drive and select 'eject', then it's unmounted. Now, I want to remount the drive in Terminal. How do I do this? I've ...
1
vote
0answers
129 views

No USB 04b4:0307 microphone input after Ubuntu 10.04

I was very happily using VOIP SIP with Ubuntu 10.04. Since I upgraded to 12.04, not only has Ekiga become very buggy and inconvenient, but, the subject matter of this question: the microphone of my ...
1
vote
2answers
356 views

no menu entry for /dev/ttyusb0 failing to upload

I'm using Ubuntu 13.04 Gnome edition. I have a problem with my Arduino Duemilanove Board. Previously I was using kernel 3.9.2-030902-generic. After I installed kernel 3.10rc6 and I start my arduino ...
5
votes
3answers
26k views

Run CentOS 6 from a USB flash drive

I have a 16 GB USB flash drive that I would like to install CentOS 6 on so that I can boot into it on other computers. The reason for this is because I am going to be upgrading to VPS hosting and I ...
5
votes
3answers
15k views

How can I match a ttyUSBX device to a usb serial device

option driver correctly matched USB ID and loads driver for this device. For example # lsusb Bus 001 Device 002: ID 19d2:0031 ONDA Communication S.p.A. ZTE MF636 Bus 001 Device 003: ID 12d1:14ac ...
16
votes
4answers
10k views

Get power consumption of a USB device

Is there a way to check how much power a USB device requires? Why do I need this? I need to connect an LTE USB stick to my Raspberry pi, and don't know how much power it needs. We got it quite ...
2
votes
1answer
5k views

Unable to receive data from /dev/ttyACM0 device [closed]

Using USB based CAN device connected on AR9350 mips processor based Atheros reference board with linux kernel 2.6.32.61. Which is coming up as /dev/ttyACM0 device. In which Able to transmit data from ...
0
votes
0answers
949 views

how to configure USB networking on fedora

I have a Samsung smartphone, which can be connected to a free WIFI network, but my laptop can't connect to that WIFI network. So I want to use my smartphone as a router/forwarder. I want to connect ...
2
votes
3answers
7k views

How do I get my wireless USB mouse working

My wireless USB mouse is not plugging and playing. This is my first time using linux (Ubuntu 12.04) and I'm trying to get a development environment going to learn to use the shell, Python, and other ...
3
votes
1answer
845 views

Grub and usb serial support

How to access the grub menu using a usb serial converter? I know it's possible to have grub menu in serial console, putting these lines in grub.conf: serial --unit=0 --speed=9600 --word=8 ...
1
vote
3answers
6k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...
7
votes
5answers
10k views

When installing linux on USB Drive, which filesystem should I use to format for best performance?

I'm planning on installing Linux on a USB drive, and I was wondering which filesystem I should use to format the drive for best performance (overall responsiveness), and life of the drive?
2
votes
1answer
130 views

Assigning static device path

I have 4 flash cards plugged in, sequentially named by system: /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 I want to assign static pathes to them, so every time the system boots up their pathes will ...
2
votes
0answers
742 views

Anti-ghosting (NKRO over USB) keyboard

I've recently bought a new keyboard and was surprised to find that it didn't work in Linux. This keyboard does strange things to handle multiple key presses (anti-ghosting, a/k/a N-key rollover) over ...
2
votes
0answers
54 views

Configuring Enlightened Sound Daemon

I have a single audio source specified in ALSA as plughw:1,0 (a USB microphone) and I'd like several other processes to be able to access the source simultaneously. For various reasons, each process ...
5
votes
1answer
595 views

How can I prevent drivers from binding USB devices on a certain bus?

I have a setup with two Logitech Unifying receivers, each receiver has a keyboard bound to it. One of the receiver is to be used by the physical machine to which the devices are connected, the other ...
3
votes
1answer
472 views

Creating multiple devices from one device?

Specifically taking a USB device, which normally allows only one process to open it for reading, and clone/duplicate/replicate it so that multiple processes can open and read the input. Something ...
1
vote
1answer
4k views

cannot mount usb

I have a compiled arch kernel. As there are some files in the /root, the user has enabled usb mounting. as dmesg shows it identifies two usbs. one is plugged to keyboard. I tried these commands, but ...
1
vote
0answers
405 views

USB ports not working

Ok, got a Puppy Linux Wary 5.3. running on an old laptop with USB ports. Now, here's the strange part ... none of them work. When I stick in a USB-stick there's no reaction. Still, lsusb lists ...
2
votes
4answers
622 views

USB 500GB external drive mounted with undetermined permissions, missing data

Note: This situation is evolving. Please see the output at the end of this question for the current situation. I'm using Linux Mint 14. Recently, I repartitioned one of my hard drives, and I backed ...
8
votes
1answer
39k 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
vote
1answer
610 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 ...
1
vote
3answers
4k 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 ...
3
votes
1answer
10k 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 ...
0
votes
2answers
3k views

Unable to connect INTEX 3.5G (aka 普创E003) Wireless USB modem in Ubuntu 12.04 LTS

Can anyone help me out on connecting INTEX 3.5G 7.2 Mbps (aka 普创E003) Wireless USB modem in Ubuntu? Initially it is recognized as a storage device and the modprobe cmd does not create any impact on ...
5
votes
5answers
3k 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
votes
2answers
254 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 ...
4
votes
3answers
163 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
votes
1answer
3k 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 ...
1
vote
0answers
113 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 ...
11
votes
2answers
264 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 ...
1
vote
3answers
319 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?
2
votes
0answers
401 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 ...
5
votes
3answers
3k 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
votes
0answers
643 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
votes
1answer
781 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 ...
19
votes
7answers
57k 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 ...
2
votes
5answers
25k 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 ...
6
votes
1answer
2k views

How to distinguish input from different keyboards?

I want to write an application in Python that you can use with your default keyboard and a specially designed one for the application. I will design it simply by using a small numerical keyboard with ...
3
votes
1answer
8k 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
votes
1answer
658 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 ...
6
votes
1answer
9k 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 ...
2
votes
0answers
2k 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
1k 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
6k 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 ...