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

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6
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1answer
931 views

What would cause “crossover” between two USB2 webcams when using motion?

I am using the Motion package for linux to act as a security system with two Microsoft LifeCam HD-5000 webcams. In general it's working very well but I'm experiencing a weird issue. Every now and then ...
2
votes
1answer
940 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 ...
3
votes
2answers
412 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
votes
1answer
15 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
2answers
1k 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 ...
1
vote
1answer
409 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 ...
0
votes
0answers
32 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" ...
1
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0answers
9 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. ...
1
vote
1answer
15 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
18 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 ...
2
votes
1answer
332 views

Is it possible to simulate/force/fake an USB device unplug and replug on Linux?

So I've got a strange problem that I've been running onto. I've got a bitcoin usb miner, Bitfury, and I'm using CGMiner to mine. When I start the application, as root, the USB device is not detected ...
1
vote
1answer
54 views

Format USB drive

I have a USB drive which I format with sudo mkfs.vfat -I /dev/sdb1 When I then look at the size of the USB drive with df -h, it reports its size to be 64 MB, though it should be 8 GB. What am I ...
0
votes
1answer
16 views

Porting Ruby USB code to latest versions of Linux?

I have some Ruby code that I've been using on Linux. It looks like this: require 'usb' dev = nil # will be a USB::Device USB.devices.each { |x| if x.idProduct==1 && x.idVendor==0x08f7 then ...
4
votes
2answers
646 views

USB set to /dev/sda instead of /dev/sdb

I've been trying to use a kickstart file to guide the Red Hat installer (RHEL6.5) without user intervention. It correctly looks for the kickstart file in /dev/sdb/fs.cfg, but because the USB is ...
0
votes
0answers
12 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
12 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
14 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
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0answers
20 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 ...
9
votes
2answers
8k views

How to disable USB autosuspend on kernel 3.7.10 or above?

I've updated my HTPC from kernel 3.7.10 to 3.10.7 and it seems CONFIG_USB_SUSPEND is now gone from the kernel options and included in PM. The main problem I'm facing is that I have an external HDD ...
1
vote
1answer
45 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
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0answers
10 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 ...
1
vote
2answers
3k 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 ...
1
vote
1answer
471 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 ...
9
votes
4answers
39k views

How to install Debian from USB? (Using full size image not netinstall)

I learned of a way to install Debian from USB using the netinstall image, which is fine. However it means I have to spend hours and hours downloading packages to do the install. Is there a way I can ...
0
votes
1answer
390 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 ...
2
votes
2answers
39 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
20 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
0answers
27 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
5answers
14k 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 ...
0
votes
1answer
370 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, ...
1
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0answers
29 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
2answers
464 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 ...
0
votes
2answers
287 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
vote
0answers
22 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
48 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
1answer
796 views

Installing Packages Offline On Linux Mint

Is it possible to create a linux software package on windows ,store it on a USB stick and then install it on a linux system which is not connected to the internet ? For example I would like to ...
2
votes
1answer
1k views

BackTrack USB Wireless adapter drivers issue

I purchased USB Wireless adapter which runs smoothly on Windows and Ubuntu, but in BackTrack it showing me Bad password issue. From my reading I guess it's driver issue which BackTrack Kernel don't ...
1
vote
0answers
47 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
2answers
328 views

Can't set a blacklist for usb autosuspending

I'm trying to disable usb autosuspend for my wireless USB mouse: CONTROL_USB_AUTOSUSPEND="auto" AUTOSUSPEND_USE_WHITELIST=0 AUTOSUSPEND_USBID_BLACKIST="046d:c52f" I already put these values to ...
2
votes
1answer
367 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 ...
2
votes
1answer
2k views

Mount exFAT file system as user without hardcoding

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 ...
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vote
0answers
39 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 ...
2
votes
3answers
4k views

How do I dual-boot Kali Linux With ISO (no CD/USB/DVD)

I am trying to install Kali Linux 1.0.7 to my Windows 8.1 32-bit PC. I have the ISO, but I have no CD's, USB Sticks, or DVD in my home so I was wondering how can I install Kali Linux without ...
8
votes
1answer
567 views

USB audio only outputs white noise

I am running OpenBSD/i386 5.1 on a 5 year old laptop. The speakers and headphone port work, but the headphone port is a little loose so I am trying to install an external USB sound card (Fiio E17 USB ...
0
votes
0answers
95 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
1answer
757 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 ...
0
votes
0answers
7 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
1answer
2k views

how to disable USB devices based on vendor id in Linux environment?

I want to disable usb devices based on vendor id in Linux environment. I want to allow only specific USB devices, based on vendor id.
1
vote
1answer
88 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 ...
2
votes
1answer
813 views

Mimo 2G USB Monitor and cheap computer (Raspberry Pi?)

I have a Mimo 2G USB Monitor (UM-710S I believe) which I got in college due to the lack of space for a real second monitor in the dorm. Now I don't really have a use for it, so I thought of ...