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

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2
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0answers
7 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 ...
0
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0answers
20 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 ...
1
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0answers
33 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 ...
0
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1answer
21 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 ...
0
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0answers
11 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 ...
0
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1answer
7 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 ...
1
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0answers
31 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 ...
2
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1answer
32 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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12 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 ...
1
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1answer
20 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 ...
0
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0answers
19 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 ...
0
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0answers
56 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 ...
1
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1answer
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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0answers
28 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 ...
1
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0answers
51 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, ...
0
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1answer
28 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 ...
3
votes
1answer
63 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 ...
0
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2answers
50 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.
0
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1answer
42 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 ...
1
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1answer
33 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 ...
0
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0answers
11 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: ...
0
votes
1answer
35 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 ...
0
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0answers
19 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 ...
1
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1answer
57 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 ...
0
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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 ...
1
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1answer
51 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 ...
0
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0answers
26 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" ...
0
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0answers
33 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 ...
0
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0answers
21 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 ...
2
votes
0answers
28 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 ...
0
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0answers
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
votes
1answer
38 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 ...
1
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0answers
57 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 ...
1
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0answers
31 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 ...
0
votes
1answer
81 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 ...
1
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1answer
55 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 ...
1
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0answers
83 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 ...
2
votes
1answer
93 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 ...
0
votes
1answer
49 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 ...
2
votes
0answers
108 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 ...
0
votes
1answer
150 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 ...
0
votes
2answers
110 views

hidapi ./configure error — missing libudev

I am trying to install hidapi on Debian. I already have libudev-dev and libusb-1.0-0-dev installed, but when I run ./configure in hidapi-master, it says that I do not have libudev, to install it and ...
-1
votes
2answers
82 views

Use a directory to simulate a USB storage device? Or any other way to simulate a USB storage device?

When it comes to CD's you have virtual CD software in which you load an .iso and it works like a CD-Rom. But when it comes to USB is there something similar? Is it possible to use a directory to ...
1
vote
1answer
427 views

How to burn debian iso to usb

I downloaded the debian amd 64-bit iso file (apx 650 mb) on a macbook w/retina (i.e. no cd drive) running OS X. I'm trying to dual boot and have already gotten rEFInd working. Set up partition for ...
0
votes
0answers
93 views

Installing Kali Alongside Windows 8.1 Error

I tried to install Kali but it would not boot, however Ubuntu booted successfully, it's just Kali that won't boot. I make it to the menu where I select what I wish to do like "Live, Install etc" but ...
0
votes
2answers
38 views

How do I find out if something is using the serial port?

I want to program a microcontroller under Debian Wheezy, but can't get it to work so far. I asked on Electrical Engineering and got the advice to check if something is already occupying the serial ...
0
votes
0answers
36 views

USB HID works well in Bios and Grub, but doesnt work in Linux

I have a combined USB device with a touchscreen and a keypad. When I plug it into my Linux Laptop the keypad and the touchscreen get both recognized at boot level, I can see both status LEDs turn on ...
-2
votes
1answer
128 views

Mount USB flash drive to /media/<label>

I did a minimal install of Debian using a USB thumb drive (instead of a DVD) and rebooted my box. At the console, tty1, I logged in to my user account. I re-plugged in my USB thumb drive that ...
2
votes
2answers
342 views

bluetooth mouse disconnects

I'm using Debian Jessie (testing). I have a bluetooth mouse (Microsoft Sculpt Comfort) and I can pair it and use it ok, but after some time of inactivity (around 10 minutes) it stops working, I have ...
1
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0answers
88 views

Raspbian: USB storage device name changing after USB device power cycle

I'm running Raspbian 7.4 on a Raspberry PI that has two USB storage devices connected to it. This Raspberry PI will remain running during a power failure because it has console cable connected to it ...