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

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15 views

USB to UART converter is laggy

I have a USB to UART converter with CH341A chip on it. This device can be used as a USB to UART converter, as a 24/25 chip programmer and as a USB to PARALLEL converter. The problem is with the UART ...
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1answer
16 views

How do I understand if an USB Ethernet adapter is compatible with a certain kernel version to use it to load kernel/filesystem?

I'm using an old kernel, 2.6.32, and I would like to boot the kernel over TFTP and mount the filesystem over NFS. Mounting the kernel over TFTP is a plus, but mounting the filesystem over NFS is a ...
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2answers
109 views

Why is lsusb taking so long?

I'm running lsusb several times, but it's taking a long time to return. Is there a reason why it won't finish or that it runs slowly? I've tried killing their PIDs but that doesn't work. So I close ...
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3answers
40 views

My SD card has a partition but Linux doesn't create a device entry for the partition

OK, I don't know what's going on here, at first I thought it was a problem I remember having some time ago where I couldn't mount a vfat partition because it had some flag set that it had not been ...
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0answers
31 views

USB bar code scanner not working on Raspbian

My USB bar code scanner (SYMBOL LS2208) is recognized as a HID. hid-generic 0003:05E0:0600.000F: hiddev0,hidraw0: USB HID v1.10 Device [\xffffffef\xffffffbe\xffffffa9\xffffffbe\xffffffa9Symbol ...
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2answers
1k views

BackTrack USB Wireless adapter drivers issue

I purchased USB Wireless adapter which runs smoothly on Windows and Ubuntu, but in BackTrack it's showing me a Bad password issue. From my reading I guess it's driver issue which BackTrack Kernel ...
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1answer
39 views

Will this work? [on hold]

I have a relative who doesn't have a Ethernet jack to her laptop and was wondering if a USB 2.0 Male to 10/100Mbps RJ45 LAN Ethernet Network Plug Adapter Cable will work. She has a old netbook 1.6Ghz ...
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1answer
34 views

How to Install Fedora (not create bootable USB)

I have searched Google for how to download Fedora, and all I find is how to create bootable USB. Once I load Fedora from bootable USB how do I permanently install Fedora from USB onto my laptop?
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2answers
47 views

boot from usb flash drive

I have a Sony Vaio SV-E14A2M1E with Win 8.1; and I 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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27 views

usbfs: process 25093 (pool) did not claim interface 0 before use

I recently got a new phone, a Moto G 2nd Gen. I am running Debian Jessie on kernel 3.16.0-4-amd64 libmtp 1.1.8-1 libusb-1.0-0 2:0.1.12-1 gvfs 1.22.2-1 When I plug it in, it appears to be fine. ...
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1answer
1k views

How to detect a working ttyUSB for my usb modem

I working with OpenWRT and need setup USB 3G Modem. When i connect USB modem i see in logs that system create four ttyUSB. Why four? Tue Jul 29 07:45:23 2014 kern.info kernel: [ 580.220000] ...
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1answer
56 views

USB bus number changes on reboot

I have a fully updated Archlinux installation and I use udev to set specific permissions on the device node based on USB bus and port numbers so that I can redirect the ports (and not devices based on ...
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1answer
2k views

Media changed: please insert the disk labeled 'Debian GNU/Linux

I installed Debian 7 using a USB flash drive "burned" from the first DVD ISO of the Debian installation CD/DVD. I did a very minimal install without Debian desktop environment, Print server and ...
3
votes
1answer
511 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 ...
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0answers
257 views

Brother scanner and missing /dev/bus/usb entry?

APR 2015 UPDATE: Scanning just worked! The update to Mint 17 (aka Ubuntu 14.04) did not make any difference, but the most likely explanation is that the recent update to Ubuntu 14.04.2 as the base ...
2
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1answer
30 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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0answers
15 views

How to password lock usb ports in arch linux [closed]

I want USB ports to be password locked and it should be easy to unlock via gui or cli.
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1answer
862 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 ...
3
votes
1answer
489 views

USB keypad (HID) not responding in linux but in grub

An external USB keypad I'd like to use gets recognised as a USB HID device, but it is not functional when Linux is booted. It does work when plugged into a Windows desktop and it does work while in ...
0
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0answers
10 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 ...
6
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1answer
1k views

“usb 3-2: can't set config #1, error -110” - USB keyboard works in Windows 8 laptop but on PC only until Linux boots

I tried 2 new USB keyboards that work until Linux starts booting. When booting I saw: [ 8.365211] usb 3-2: New USB device found, idVendor=1a2c, idProduct=0b23 [ 8.404863] usb 3-2: New USB ...
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1answer
3k views

minicom showing offline

I am trying to use minicom in Ubuntu. To do this I first connect my USB to DB9 converter, then I type this command on terminal dmesg | grep tty to check if my USB to DB9 converter is connected ...
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1answer
686 views

rs232 to usb not working

I also asked this question on AskUbuntu but there nobody comments on it I have a konig rs232 serial to usb adapter (no FTDI chip), but when I try to connect to a cisco switch/router (via Putty, ...
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2answers
667 views

usbip: problem getting device attributes: No such file or directory

I try to use an ftdi rs232/usb adapter over ethernet. It's connected to my raspberry pi. pi@raspberrypi ~ $ usbip list -l Local USB devices ================= - busid 1-1 (0424:9512) 1-1:1.0 ...
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0answers
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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25 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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3answers
1k 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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2answers
2k 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 ...
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1answer
553 views

Why do I not seem to have hidraw options on my system, and how can I fix my usb devices?

Starting today, I noticed a few problems with my system. USB devices, including the internal ones such as microphones, don't seem to be working at all. I first noticed when my keyboard and mouse ...
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6answers
23k views

Create a Bootable (UEF GRUB) USB for Ubuntu & Windows 7 Install

I want to create a Bootable EFI USB to install Ubuntu & Windows 7 (maybe with utilities like PartedMagic). I did that using MultiSystem previously. However, I am using GPT and Windows install ...
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1answer
14k views

How to assign USB driver to device

This question is two-fold: First, how do you manually detach a driver from a USB device and attach a different one? For example, I have a device that when connected automatically uses the ...
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2answers
769 views

Smartphone used as USB memory stick is correctly read on XP VirtualBox machine but Linux Mint show only root folders

Smartphone used as USB memory stick is correctly read on XP VirtualBox machine but Linux Mint show only root folders The stick is recognized by Linux, but show first level folder only: Folders are ...
3
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2answers
463 views

Mounting USB camera on Ubuntu

I am quite new at Linux and I have to install this SwissRanger camera on Ubuntu. I am trying to follow their USB mounting instructions and I got stuck. From the instructions: Modify the usbdevfs ...
0
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1answer
603 views

ELAN Touchscreen on Ubuntu 14.04 and Debian 7.6

I recently purchased an ASUS Q550LF laptop with Windows 8.1 preinstalled, and subsequently installed Ubuntu 14.04 and Debian 7.6. I use Ubuntu for most tasks, but occasionally have reason to boot ...
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1answer
1k views

Debian USB automount

Got my USB flash automount broken after reboot. Using Debian 6, GNOME 2 My NTFS hard disk is still mounting correctly. When i connect my Android smartphone (with SD and local drive) my messages log ...
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2answers
2k views

udev rule for assigning known symlinks for identical usb serial devices

I have two (and possibly in the future, more) USB serial devices which are identical (down to the serial number, unfortunately) - they're actually BTC miners. Currently they end up as ttyUSBX where X ...
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0answers
25 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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2answers
5k views

Mount exFAT file system as user without specifying /dev/sdX1 in /etc/fstab

I've "solved" the following problem, but not in a desirable way. First, mounting exFAT file systems in Linux was truly as simple as this site says. The catch is, "as long as you are root." A user ...
2
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0answers
72 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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0answers
33 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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2answers
5k 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 ...
3
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1answer
487 views

Turn system on by USB keyboard?

To hibernate my Debian Wheezy system, I run the following command: sudo sh -c 'echo disk > /sys/power/state' To wake up the system, I can press any key on my USB keyboard. My understanding of ...
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0answers
45 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
44 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 ...
1
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1answer
639 views

Incorrect step with grub while installing onto a USB stick?

I tried installing debian on a USB stick. I believed I made a mistake with the grub boot up part. I want to leave my harddrives alone and with my bios choose to boot up from a stick. Do I need grub if ...
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2answers
1k views

How can I add an external CD/DVD writer ?

I want to add an external CD/DVD writer to my Ubuntu 14.04 system (System 76 Ratel): the writers in my local electronics store have USB interfaces, and the drives are advertised as windows and mac ...
1
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1answer
10k views

command to determine ports of a device (like /dev/ttyUSB0)

I have a question regarding the ports in Linux. If I connect my device via USB and want to check its port I cant do it using the command lsusb, which only specifies bus number and device number on ...
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0answers
19 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
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 ...
3
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1answer
469 views

How do I create a USB networking interface for passing internet to my Android phone?

I am working on passing through the internet from my computer to my phone (running Android) over USB. I'm not sure how to achieve this, but I know I will need a usb network interface, such as usb0. ...