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

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3
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3answers
225 views

USB to VGA on Linux

I've been offered a Macbook Pro mid-2012. Although it wouldn't have been my first choice it's still a great piece of hardware, only problem for me is that it only has a single Thunderbolt port ...
2
votes
1answer
39 views

Get ID and Mounted location of an USB

I need to find a way of retrieving the ID and Mounted Location for USB devices. I've found two commands that gives me what i want, but i haven't find how to associate them.. rsm@matrice:~$ lsusb Bus ...
0
votes
1answer
36 views

USB not working in OpenBSD 5.6 installer

I'm trying to install OpenBSD 5.6 amd64 on my 2012 Mac mini (quad-core Intel i7), but USB stops working partway through the boot sequence, as evidenced by my lighted keyboard going dark. Without a ...
1
vote
0answers
31 views

Why are USB partitions & disk capacity not coherent between fdisk, parted, dmesg & /dev/sdXy

Disclaimer: I initially posted this on SF : http://serverfault.com/q/645670, but I think it better fits here First, a word of context: I'm trying to burn an ISO on a 16 Gb USB key, but I'm having ...
0
votes
0answers
14 views

Why isn't this “external” harddrive showing up?

I have an "External harddrive to USB adapter" that's giving me trouble. It shows up if I run lsusb (unrelated devices ignored): Bus 002 Device 013: ID 152d:2338 JMicron Technology Corp. / JMicron USA ...
2
votes
1answer
17 views

Enable numlock only for external keyboard

I'm not sure this is possible, but I thought why not to ask. I have a laptop without a numeric block, and use it sometimes with external keyboard. Numlock for the internal keyboard = useless, so I ...
0
votes
0answers
20 views

How to modify rights automatically when I plug a usb device ?

I am running CentOS 6.6. I need to get specific rights (666) on /dev/bus/usb/... when I plug a specifc usb board (Digilent FPGA board). Otherwise my software complains about LIBSUB_ERROR_ACCESS. It ...
0
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0answers
4 views

scanjet 3670 does not work with usb 3

My SCAN-JET 3670 does not work with USB 3 properly. It works intermittently. Sometimes works after reboot once or twice and then stops. Sometimes I get a blurred or stretched image.
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0answers
33 views

How to measure power consumption of a USB device?

The title says it. It has been asked how much power a port can deliver, but I do not need that. I need to get the power consumption of a plugged-in device in real time. This question was left ...
4
votes
1answer
35 views
+50

Error compiling custom kernel with a new usb serial driver

I have tried compile a driver for my kernel 3.13.0-40-generic. I have also tried compile a custom kernel with this driver but both have failed. The name of the driver is vizzini for Linux ...
1
vote
2answers
62 views

identify harddrive before mounting

I've recently made 2 script that take care of mounting and dismounting a harddrive in linux. The thing that I could not figure out is the following. I am currently mounting /dev/sdc1 to ...
1
vote
0answers
18 views

Inaccessible USB Mass Storage Device (Bricked Garmin device)

I've got a running GPS watch (Garmin Forerunner 210, fwiw) which recently got bricked during a firmware update. Let's assume for point of discussion that an rma is not possible, so I'd really like to ...
2
votes
1answer
37 views

Auto mount and dismount USB harddrive debian server

I've read a few articles on how to automount USB devices with usbmount. I was just wondering about the following: the documentation states that when the USB device is removed it will automatically ...
0
votes
0answers
31 views

TP-Link TL-WN822N USB wifi stopped working after kernel upgrade

I downloaded and compiled the last kernel from git (3.18). Installed it and all the modules. But now the USB wi-fi adapter doesn't work. The kernel can see it: #lsusb -v Bus 001 Device 003: ID ...
2
votes
1answer
36 views

How to disable USB devices based on their vendor ID on GNU/Linux?

In that question someone wanted a blacklist for all USB devices, and then only allow specific devices. In this question, we want to accept all USB devices, but prevent the driver (e.g. cdc_acm) from ...
0
votes
2answers
31 views

Fatal error: linux/smp_lock.h: no such file or directory when trying to compile tiusb

I am trying to compile the TI-Graph Link USB Drivers? So I downloaded it, and ran make in the directory libusb. It produced the following: ~/Téléchargements/tiusb/tiusb-1.10$ make make -C ...
3
votes
1answer
185 views

Turning off power to usb port. Or turn off power to entire usb subsystem

I have a usb lamp which I specifically bought in order to turn it off programmatically at a certain time, thus I need to remove the power to its usb port. I believe I have a usb-hub at usb6. The lamp ...
2
votes
0answers
51 views

USB ethernet device not working in VM

I'm having trouble getting a USB ethernet device working in a qemu-kvm/libvirt VM. The problem is that even though the guest OS sees the USB device just fine it can't mount it. lsusb on the guest ...
3
votes
2answers
43 views

Data loss when loop-mounting a file on removable USB storage

If I plug in a USB and modify files and unplug it I don't lose data. However if I use mount on a file on the USB I WILL lose data. Whats with that? Is there anything I can do to prevent loss of data? ...
3
votes
0answers
40 views

Bad/strange USB device issue: failed to shutdown/restart

On a fresh Arch Linux installation with Intel i7 processor and an Nvidia graphics card, I noticed during boot log messages related to a usb device filled the screen before it reached the graphical ...
-1
votes
0answers
72 views

Kali Linux dual boot installation

I´m trying to install Kali Linux next to Windows 7 (dualboot). I made a bootable USB with Rufus software. I restart the PC, press F12, choose USB boot priority....then I see installation menu....there ...
1
vote
0answers
26 views

What happens after dialing USB 3G modem

I have a hard time understanding how a 3G USB modem communicates with OS. As far as I understand, pretty much all USB modems work in a similar fashion - they expose USB CDC device and to connect, ...
0
votes
0answers
6 views

OpenSuse 11.1 Keyboard Issuses

Im having some repeat issues with my keyboard being unresponsive. Im using opensuse 11.1 with a 2.26.27* kernal and it seems to be getting worst. When the keyboard dies (although the mouse works) , ...
3
votes
1answer
83 views

Cannot print text via /dev/usb/lp0 on recent printers

I have a strange problem, when I connect an old printer (HP, Epson, at last 4 years old printers) on my linux embedded board, when I type the command echo test > /dev/usb/lp0 it prints correctly. ...
1
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0answers
26 views

Configuring Epson Stylus NX420 Scanner on Debian Wheezy

I'm trying to get my Epson Stylus NX420 printer/scanner combo to work with sane on Debian Wheezy (via USB). I've got cups and saned running, and I've added the printer in the cups configuration page. ...
0
votes
0answers
99 views

libfreenect2 - libusb -99 error

I need some help, when I am running protonect, the IR blaster go on but no frame is captured. It's some sort of libusb error. Running on Mavericks, with an express card adapter with "Nec µPD720202" ...
0
votes
1answer
25 views

Mint pc boots to no video … or usb power. What's going on?

This is a problem that's truly got me stumped, and I've been doing support for several decades. I've set up my in-laws with a pc running Linux Mint 13 (so that they don't screw it up like they would ...
1
vote
1answer
58 views

Remove a manually installed driver (wireless usb)

I downloaded and installed a driver for my wireless usb dongle as it wasn't detected by linux (KDE). I wasn't very sure which model it was but apparently it is a Ralink RT2870 (Brand name IPTime ...
1
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0answers
26 views

How can I find out if a problem with the USB ports in my laptop is due to hardware or software?

A few days ago, the USB ports in my laptop stop working. At first, I thought it might be due to a recent update of my OS (Ubuntu 14.04), so I began testing if something came up when connecting a ...
0
votes
0answers
14 views

Recovering windows boot files to pendrive

Here's my problem, i recently installed linux mint on my laptop so now i don't have to use it on my gaming pc. However when burn windows image on pendrive and try to boot it i only get a grub recovery ...
1
vote
1answer
28 views

USB Tuner driver not detected

I am using a DVB Tuner, USB tuner. I have added driver to the kernel and it is being registered. But when the device is connected, it doesnt invoke the probe function. Is there anything I have to ...
1
vote
0answers
24 views

Dedicate USB hardware to LXC container

Reading the LXC documentation, it seems possible to dedicate the physical network port eth2 to an LXC container with config something like: lxc.network.type = phys lxc.network.link = eth2 I'm ...
1
vote
0answers
30 views

What accommodations must be made to boot an external HDD on multiple computers?

Is there a way to create a bootable external hard drive (like a persistent USB) that can be booted to multiple computers? I have built plenty of live USBs where this wasn't a problem, but when I ...
1
vote
0answers
11 views

How do you determine the capabilities of a WebCam?

I have a collection of WebCam's lying around. Some of them are new, some go back a decade (gotta love not having to "upgrade" devices in Linux :). Somehow I've developed the impression that ...
2
votes
0answers
32 views

How do I debug printers with USB problems via CUPS?

I have two printers that have stopped accepting jobs via their USB subsystem. CUPS sees the printer USB ports, has been able to send jobs to them in the past, but can't talk to them: ...
2
votes
2answers
46 views

Is there a udev attribute/something that determines whether a device is a USB drive or not?

I am trying to create a UDEV rule to match/allow the use of USB devices. However, there is a twist. I want to be able to use only USB mass storage. Is there a unique UDEV parameter that can be used ...
2
votes
0answers
59 views

Unable to load a USB keyboard driver on Debian machine

I have a pretty simple driver for USB keyboard: #include <linux/module.h> #include <linux/kernel.h> #include <linux/usb.h> #include <linux/usb/input.h> #include ...
1
vote
1answer
102 views

Full UEFI System, Grub 2 self-compiled + Clover 2, Debian kFreeBSD installation?

I've a computer with full installation UEFI system, with 2 bootloaders (GRUB & Clover on ESP) clover is the primary bootloader that allows me to load OSX and grub2. I want to make a new install of ...
1
vote
0answers
46 views

Gobi 2000 not detected on Lenovo X201

I recently bought a used Lenovo X201 wich includes a Gobi 2000 3G modem, but I can't get it working for the simple reason: the USB device does not appear to show up in the kernel. uname -r output: ...
1
vote
0answers
33 views

Failing to load a module on udev event

I have a pretty simple udev rule which is executed when a USB is plugged into my Debian machine: SUBSYSTEMS=="usb", KERNEL=="sd?", ACTION=="add", RUN+="/usr/local/bin/USB/t.sh \ %k" My t.sh is also ...
0
votes
0answers
79 views

Unable to install CentOS 7

I have been trying to install CentOS 7 on a computer with no success so far. I am able to boot the live USB media, but the problem is the CentOS installation referring the HDD always as /dev/sdb. No ...
1
vote
0answers
112 views

Udev rule not working on Debian

I can detect and mount my USB drive on my Debian VM machine. And the first post here - explained below - works on my Ubuntu machine. Should not it work on Debian too? It doesn't of course. Why is ...
1
vote
0answers
72 views

USB fails to be mounted or detected on Debian machine

My lsusb command says this: Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 005: ID 0951:1642 Kingston Technology DT101 G2 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 ...
0
votes
0answers
158 views

Sending SMS trough a modem attached to another server using ser2net and socat

I don't know exactly how to troubleshoot the issue I'm having, so I'll ask here. I have a USB 3G modem attached to a physical machine (server4) (running ProxMox (Debian Wheezy)), and I can send SMS ...
0
votes
0answers
15 views

unitek nec upd720200 not detected

I've decided to buy an USB3.0 controller on PCI for my debian machine. I did a short research and it appeared that NEC chips will be fine. I've bought Unitek NEC UPD720200 and I does not work: I ...
2
votes
0answers
53 views

Configure a usb wireless adapter when hotplugged

I have a pc connected to the internet on eth0 and I have a usb wifi dongle: I succeeded to configure it as a hotspot to which I can connect from my mobile devices so that I can share the pc internet ...
1
vote
1answer
218 views

How to check if USB WiFi-Adapter is not working or router is out of range? [SOLVED]

I'm trying to use the TL-WN725N as an USB WiFi-Adapter with Fedora 20. As it is Version 2, it does not work out of the box. I installed the driver (first time I compiled myself, second time I used a ...
0
votes
1answer
163 views

mounting removable USB disks with nodev,noexec,nosuid

When I want to use a USB disk on my desktop, I insert the disk and mount it manually, for example: mount /dev/sdb1 /mnt/usb I know that I can specify mount options with -o, such as mount -o ...
0
votes
1answer
236 views

Tell Linux to use latest libusbx I have downloaded

Background, I'm trying to play with a Kinect camera and Python. When I tried to make freenect (manual install) on Ubuntu 12.04, it complained about undefined libusb_get_parent. However, it works ...
1
vote
1answer
54 views

USB 3G dongle internet keeps failing on Fedora 20 laptop

I use a 3G dongle for internet in my summerhouse, it has worked fine all summer, but since yesterday it has been losing connection, or something and I have to unplug it and insert it again for the ...