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

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How to password lock usb ports in arch linux [on hold]

I want USB ports to be password locked and it should be easy to unlock via gui or cli.
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33 views

USB Stick created on one machine not working on another [on hold]

I have a 8 GB usb stick and just want to tranfer files from one debian machine to another. same version and 32Bit. but when i create a partition on machine a, copy files to the drive and try to ...
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1answer
29 views

Embedded Linux USB Audio Issue

I have a Corewind WiFiG25 board based on the AT91SAMG25 400 MHz following Arm processor running Linux 3.6.9 built using Buildroot. I am attempting to play mp3 files using mpg123 connected to an ALSA ...
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6 views

Mouse stutter on Thinkpad OneLink Dock Pro

I am on a Lenovo Thinkpad Yoga (S1) running OpenSUSE Tumbleweed (kernel 3.19) and am trying to use my OneLink Pro docking station for said device. Unfortunately the performance of the mouse through ...
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12 views

how to differentiate between usb based dvd writer and usb pendrive in RHEL6? [duplicate]

i have connected usb based dvd writer and pendrive to system. Now i want to differentiate these two so that my requirement is to block pendrive and allowing usb based dvd writer.
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968 views

Is USB-to-USB data transfer between two Linux OSes possible?

I want to create a USB-to-USB data transfer system in Linux (preferably Ubuntu). For this I want to use no external hardware or switch (except this cable). It's going to be like mounting a USB drive ...
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24 views

Autoloading externally compiled module at hotplug event

I have a pretty outdated embedded linux driven system with v2.6.33.7 kernel, which came without USBNET and CDC_ETHER modules. I compiled those modules to be able to attach a certain USB-LAN stick, ...
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1answer
30 views

boot from usb flash drive

I have a Sony Vaio SV-E14A2M1E with win 8.1 and just created a bootable USB with Linux mint 17.1 but I can't boot from it, I' ve done a bit of research but I'm not sure with what I've found.
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21 views

FreeBSD: Permanent nodes for usb devices

In FreeBSD, USB devices appear in /dev as (for example) /dev/ugen2.5, /dev/ugen2.6, etc... However, I noticed after a reboot sometimes these are pointing to different devices. Is there a way to lock ...
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54 views

Can I connect to Multiple Bluetooth devices using a Bluetooth dongle?

I am using a usb bluetooth adapter on my PI 2 , which communicates to an arduino using HC-06 Bluetooth module. This script runs to connect to that module: #! /usr/bin/python import serial from ...
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32 views

How to make OS to mount USB as user

In debian jessie KDE, when I plug USB stick and click it in dolphin (it mounted automatically), stick mounted as root, while I am using standard user account. So I need to get superuser to manipulate ...
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43 views

New laptop - hub over-current condition

I bought a new laptop Lenovo B50-70 and I abe installed Linux Mint. In the syslog is long output og messages: .... hub 1-1:1.0: over-current condition on port 3 hub 2-0:1.0: over-current ...
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1answer
35 views

Boot from virtual usb drive in qemu-kvm

I want to create multi-bootable USB with GRUB2. But I don't want to use physical USB stick to experiment with. How can I create virtual USB to play with it as it is real device using qemu? I want to ...
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15 views

Does udev only check for matches on the first remove event?

ACTION=="add|remove",SUBSYSTEM=="tty", ATTRS{idVendor}=="XXXX", ATTRS{idProduct}=="XXXX",SYMLINK+="device", RUN+="/home/alvin/udev/test.sh" This is the command that works on add ...
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1answer
10 views

CONFIG_USB_DYNAMIC_MINORS Macro enabled?

I am trying to install a USB device on my Fedora 21 machine. The manual for the USB device mentions that it does not support kernels which are configured to automatically assign minor numbers to USB ...
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33 views

USB Logitech gaming controller doesn't get recognized

I have an offline Mint desktop that has not been connected to the Internet for some time; around the order of a year. So it is not updating for sure. Just got two USB Logitech gaming controllers, they ...
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1answer
51 views

Where can I find a list of USB error codes?

Every time I boot Debian, the boot log shows a bunch of xhci_hcd problems, and messages like usb 3-13: hub failed to enable device, error -22 usb 3-13: device descriptor read/8, error -61 I'm ...
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24 views

Make bootable USB drive on Mac

I've tried to make a bootable USB drive — using Syslinux & Buildroot — on my Macbook Air. When I boot up I get something like this error. "Non-system disk, press any key to restart" Does that ...
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1answer
22 views

Issues with saving Linux and Windows folders on the same USB?

I'm wondering if folders work differently when set up by Linux than they do when set up by Windows. Here's what I want to do: Go into Linux Mint, plug in a brand new USB stick, and create a folder ...
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24 views

USB dongle undetected on Linux Mint

I'm facing a peculiar problem on my Linux Mint laptop for the last week. I have a ZTE AC2726 USB dongle with service provider reliance (netconnect broadband+). The same dongle works well on my ...
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115 views

Testing if HL-340 works

I have Kubuntu 14.10 development workstation and recently I have bought a pair of QinHeng Electronics HL-340 USB-Serial adapter via eBay. HL-340 is USB<---->Serial adapter and it is recognized by ...
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26 views

What is the proper bash method of prompting the user for administrative password before backing up the usb data to the computer?

mate-terminal --window-with-profile=PROFILENAME="Hold the terminal open" -e "sudo rsync -azvu --log-file=/var/log/simplebackup.log --append-verify --exclude '.gvfs' /media/user/usb/ ...
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35 views

Handle mouse and keyboard usb device in udev

I'm trying to set up usbip on our thin clients to forward (almost all) USB devices to the server. What I don't want to forward are all input devices and all hub / virtual devices. So I want to ...
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80 views

Why do I have to insert USB storage twice to mount it?

Often, I insert my USB storage into my computer and it will not mount. I can see the USB drive recognised in KDE's panel, but it will not be mounted. I can click on the "mount" button in the panel, ...
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38 views

Why do we need a usbkbd driver when there is usbhid?

I discovered that it is the usbhid that controls my USB keyboard by default. I discovered it by doing rmmod usbhid. When I removed usbhid the usb keyboard stopped working. Note that usbkbd was not yet ...
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1answer
80 views

No /dev/hidraw device when I plug in a Yubikey

I have a Yubikey NEO, and I'm trying to get it to work on Debian. When I plug it in, I get udev events, but no /dev/hidraw? device. Here's what I know so far: cat /boot/config-$(uname -r) | grep ...
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75 views

how to know vendor id, device id, serial number of internal CD/DVD writer?

we have the usb-devices command to know the external CD/DVD writer details like serial number, vendor id, device id. But i want to know the same for internal CD/DVD writer.
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1answer
53 views

unable to access USB in virtualbox [duplicate]

I am beginner in linux-unix...In my office, i have been assigned to do work on linuxmint16. I have installed virtualbox and create two vhd. one is windows server 2008 and another one is windows 7. In ...
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1answer
42 views

Login using Private key on USB Dongle on SSH@linux

I'm presently using PPK file (public and private key pair) generated from putty to Login (password less) through ssh in Linux server and it is working well. I am exploring possibility in using my ...
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16 views

FTDI FT2232H time setting

I used FTDI FT2232H in MPSSE mode, running it at 30MHz(maximum speed) clock rate and Latency Timer is 255, I have downloaded libraries from below link and compiled with my App. code: ...
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1answer
37 views

Can I install Linux without a disk and remove my Windows completely?

I have an old laptop with Windows 7. Just for fun, I'd like to replace the current OS with Linux; completely removing Windows. Edit: Preferably Ubuntu. Can this be done without a blank disc? Can USB ...
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22 views

usbmount mounted lots of USBs when I only have 2

So I installed usbmount on my raspberry pi and it mounted: usb0, usb1, usb2, usb3, ... usb7, but I only have 2 pen drives connected. The other 2 USB ports are being used to a wireless receptor and a ...
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1answer
80 views

CP2102 usb to serial error

I'm trying to flash the nodemcu fw for the esp8266 using a usb to serial adapter, it come mounted on /dev/ttyUSB0 but it can't communicate with the module. All the connection are ok, and I've also ...
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0answers
14 views

Superuser can't `lstat` a directory but ordinary user can, what gives? [duplicate]

This really looks like a bug, and I'd like to dig in and find it, but I'm not sure where to start. First of all, I'm running Linux Mint, with a 3.13.0-24 x86_64 kernel. When I plug my Android tablet ...
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1answer
66 views

detect which port a usb stick is connected to

Due to hardware layout issues, USB port 1 on an embedded device is experiencing grave difficulties. Therefore, I would like users to use USB port 2 instead. Is there anyway to check which port an ...
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29 views

Can't access multiple USB channels

In OpenBSD I have a 3G minipcie (USB) modem, that has multiple non multiplexed USB channels. dmesg output: umsm0 at uhub4 port 1 configuration 1 interface 0 "Sierra Wireless, Incorporated AirCard" ...
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34 views

tar causes USB disconnects & reconnects

I'm experiencing a very weird behavior on a device running Linux 2.6.24.6. The device has an SD-Card and USB-ports. If I plug a USB Stick/HDD into a USB port and run the following: tar -cf test.tar ...
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25 views

Connecting MiFi via USB and usb_modeswitch

A bit of background: I have a E586 MiFi. (You can insert a SIM card and connect to it either via wireless or via USB.) My SIM card is a German Vodafone Ultracard, i.e. it is assigned to the same ...
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34 views

USB keyboard is disconecting automatically (without being unplugged)

In my log, I see following message: kernel: usb 1-1.6: USB disconnect, device number 5 acpid: input device has been disconnected, fd 7 acpid: input device has been disconnected, fd 8 I have not ...
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17 views

usb drive not working on c710-2487

I am trying to figure out why my c710-2487 chromebook won't recognize the USB stick with Ctrlu. I'm trying to boot bodhi from the USB. I have followed all of the instructions but it still seems like ...
4
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1answer
39 views

How to restrict/cut power output to a USB client?

...or, how not to charge my phone when I'm using it as a GSM modem in USB tether mode? I can use it as WiFi tether modem, but it wastes battery both of the netbook it supplies connectivity to, and on ...
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73 views

How to make MTP work

I'm experiencing many problems trying to properly connect and access the memory of my phone from my Linux system. I'm running openSUSE 13.1, with KDE, and my phone is a Samsung Galaxy S3 Neo equipped ...
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33 views

Initialize USB keyboard attached while suspended

I have a laptop that I sometimes want to use with separate peripherals; external monitor, external keyboard and external mouse. When in this mode, I want to keep the laptop closed and tucked away (as ...
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1answer
107 views

unbootable usb stick “Non-system disk or disk error”

All, I have a USB stick that used to boot fine. I thought I'd reuse it. Reformatted it, copied some files over, and now it won't boot. I've used "lilo -M /dev/sdc mbr" with no luck. Note that the ...
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1answer
71 views

Gnome, nautilus copy files to USB stops at 100% or near

I had similar issues before but i don't remember how i solved it. When i try to copy something to USB stick, with FAT, it stops near the end, sometimes at 100%. And of course, when i transfer the ...
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91 views

Mount android device 4.0.4 on linux

I am trying to mount a Samsung Galaxy S2 as a mass storage device onto an uptodate Arch Linux setup. On the Android phone I have done the following Settings -> More -> USB Utilities -> USB mass ...
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1answer
107 views

connecting linux device to a tablet via usb

I can connect my Linux device (an embedded device) to a tablet in the following way: Use a micro USB to Ethernet cable converter use a USB to Ethernet on my Linux device. connect the two device to ...
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1answer
60 views

Why arent the USB ports working on my install of centOS 5.10?

I have installed centOS 5.10 on a recently purchased desktop computer. The brand is SION, it is a clone. Motherboard: GIGABYTE J1800 (2.41 GHz) When I boot up the machine, this error keeps coming ...
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0answers
131 views

USB 3.0 works always, USB 2.0 works sometimes

I have little problem with my two ports USB 2.0. They don't work properly. If something (like mouse or keyboard) is connected on boot it's working but when I re-plug this device he often don't want to ...
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1answer
166 views

installing kali linux on live usb

I would like to divide a USB into three partitions. The first in FAT32 to use for data, photos, etc. compatible with windows, linux and mac osx. The second contains the Live Usb of Kali to boot ...