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

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Why doesn't this udev rule trigger upon removal of the device?

I have two mice, one which has an issue where the middle mouse button and button6 get triggered simultaneously. So I configured my ~/.Xmodmap to disable this button. At the same time, however, I ...
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2answers
5k 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.
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1answer
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USB 2.0 device is not working in USB 3.0 ports

I have a Ubuntu 12.04 system. On that system I have one USB 3.0 port. In this port I am trying use my USB 2.0 device, but every time when I plug in that USB 2.0 device into the USB 3.0 port, the ...
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5answers
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Ubuntu 13.04 does not recognize USB drive

Using Ubuntu 13.04 (with Gnome 3), my new USB stick (details see dmesg/lsusb) doesn't show up automatically. Situation: The drive does not show up at fdisk -l The drive does appear when running ...
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2answers
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Creating bootable usb stick with NetBSD installer on Linux

How can I create bootable usb stick with NetBSD installer on Linux? I tried to use UNetBootin, but on download list there is only 4.0 version and when I select my ISO with 5.1 version it doesn't work ...
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3answers
4k views

USB performance/traffic monitor?

First of all, I found a similar question but it doesn't really solve my problem. I am trying to discover if the USB bus for a device I am using is the bottleneck in my program. How can I monitor a ...
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2answers
2k views

Support for usb 3.0?

I could not seem to find the question here but I was wondering what experience if any users have had with USB 3.0? My asus p5x58d has usb 3 on it but I have yet to try it out and also do not know ...
6
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1answer
96 views

Disconnect and reconnect USB port via cli

I have a mouse that will stop working randomly. The solution is easy, unplug and replug. Is there a way I can do this via the command line though? Doing via command line has a few advantages. ...
6
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1answer
35k views

Remove USB flash-drive write-protection

I have a sports-watch which has an integrated flash-memory. This flash-memory is used to store training information. When I connect the watch to my computer using the USB cable, it's detected as ...
6
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1answer
1k views

How to make a system lock when the USB pendrive with authentication key is removed?

Say, I have USB drive authentication up and working. So far, so hoopy. But now I want to take the next step, which is locking the machine when I eject the medium. I know there is udev I can script, ...
6
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1answer
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“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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3answers
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Detection of USB Modem is unstable - how can I correct this? [closed]

I am using Huawei 3G USB Modem in Ubuntu 12.04 LTS on DELL Inspiron NS5520. I tried every possible solution but had no luck. Whenever my USB Modem disconnects, I can not re-connect it and then I have ...
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3answers
839 views

How to get my USB key to auto mount

I'm currently working in a command line only environment. When I plug my USB key in, I see a new device file in /dev: ... sdi sdi1 ... If I simply sudo mount /dev/sdi1 /media/tmp, and umount it ...
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votes
6answers
8k views

Disable USB power for USB controlled power strip

I have a USB controlled power strip that has a single usb port. If my computer is turned on and connected via usb to the power strip, the power strip will provide electricity to all the sockets. I ...
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4answers
2k views

How to check if the ISO was written to my USB stick without errors?

I followed these DebianEeePC HowTo InstallUsingStandardInstaller instructions at the Debian Wiki, to write a Debian ISO to my USB. dd if=debian-*-netinst.iso of=/dev/sdX Using sha1sum, I can check ...
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4answers
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How to create a bootable USB stick with Debian Squeeze

Using Ubuntu, I want to install Debian Squeeze on my PC with a bootable USB stick. I found this tutorial: Plug the usb key in order to find the device location: $ df -k /dev/sdb ...
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1answer
2k views

Writing raw images safely to USB sticks

Trying lots of different linux, on all kinds of hardware I find my self typing commands like this quite often: sudo dd if=xubuntu-13.10-desktop-amd64.iso of=/dev/sdc bs=10240 Needless to say, ...
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3answers
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Watch USB connections vendor id, product id, revision

I'd like to simply watch all devices added and removed from my system and view their USB vendor ID, product ID, and revision and other relevant information. How can I do this in Linux? Is there a ...
5
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1answer
6k views

List USB ports in linux

I want to list usb ports in linux and then send a message to the printer connected to it. That message is sensed by the printer to open the cash drawer. I know I can use echo - e and a port name, but ...
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4answers
1k views

Light up a LED through USB

Hey, so I'm just playing around with a usb cable and an LED. I plugged in the usb to my computer and connected ground with the LED ground and the last usb pin (+) to the LED. It stays lit bright. I ...
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4answers
367 views

Is it possible to use pendrive as key for Linux system

I want to give high security for my linux box. So i planed to use my pen drive as key for my linux box. How can i do it ?
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3answers
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How does libusb access kernel stuff?

From what I understand: Generally speaking, a driver runs in kernel space and can be called from user space. Only code in kernel space can call usb low level things / ioctl libusb is a library, so ...
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2answers
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How to check if an USB device is present without lsusb?

I want to see if an USB device is present but I don't have lsusb. Is there another way to check if an USB device is present without having to use lsusb?
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1answer
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Query USB current

How can I obtain information about the amount of current negotiated by a device attached to a USB port? I am looking for information similar to this presented by OS X in terms of current available ...
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4answers
5k views

Prevent claiming of novelty usb device by usbhid so I can control it with libusb?

I have a USB rocket launcher that I wish to experiment with through libusb. However, libusb cannot claim the interface; presumably because the output of usb-devices lists 'usbhid' as the driver for ...
5
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1answer
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usb kernel module does not load on demand but works fine with insmod and modprobe from the shell

I have a USB Linux Kernel module that compiles and builds. Running insmod loads my module and dmseg and tail -f /var/log/debug shows me it works as expected. Running depmod -a then modprobe from the ...
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2answers
5k views

Use an USB tethered phone as network adapter

I am running CentOS 6 and was able to tether my HTC phone using a proxy called proxoid . This allows me to redirect HTTP. But how do I redirect the entire TCP traffic, e.g. if I need to setup openvpn ...
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votes
3answers
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Installing Fedora from USB key

How do I load a Fedora DVD iso onto USB so I can install it from there. I've tried dd as in here: Fedora instructions but for some reason this didn't work. Here's what I've tried: sudo dd ...
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3answers
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Run CentOS 6 from a USB flash drive

I have a 16 GB USB flash drive that I would like to install CentOS 6 on so that I can boot into it on other computers. The reason for this is because I am going to be upgrading to VPS hosting and I ...
5
votes
1answer
2k views

How to distinguish input from different keyboards?

I want to write an application in Python that you can use with your default keyboard and a specially designed one for the application. I will design it simply by using a small numerical keyboard with ...
5
votes
1answer
2k views

How do I create a USB image with a partition table?

I want to create an image of some directory tree that is writable directly to an USB drive, just like the images of many linux distributions. For example, with openSUSE you can download an ISO image ...
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1answer
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Installing FreeBSD from USB-Stick boots but later can't find the USB-Stick

When trying to install FreeBSD 8.2 from USB memory stick the kernel boots from the USB-Stick and the installer menus work and let me partition and everything. However when it comes to actually ...
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2answers
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How to avoid powering down certain USB devices when a machine is suspended

I'd like to maintain power supply to a USB-powered drive when the system goes into suspend (AKA S3 or "suspend-to-RAM") mode. Normally the power is cut while the machine is suspended, which causes it ...
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votes
4answers
8k views

Determine the USB port to which my Mobile is connected?

I tried the following commands, but couldn't find the name of USB port $ lsusb Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 ...
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votes
3answers
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Change /dev/sd* for USB Linux install?

I am trying to install Scientific Linux 6.1 (which is literally RedHat Enterprise Linux without the branding) by booting its installer from my USB drive. The installer starts fine, but two things ...
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votes
1answer
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How to be notified when a USB device was plugged in?

My system has to auto-mount USB devices; how can I be notified when a USB device is plugged in? Where can I read more about this subject? I would like to handle this problem via C or a shell script. ...
5
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1answer
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What is the easiest way to boot Linux from a USB drive on Intel Mac?

I would like to boot an Intel Mac from Linux on an external USB drive. Right now, I have install rEFIt and use grub on the internal hard disc to boot the external drive. That seems pretty complicated. ...
5
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1answer
2k views

USB 3.0 ports not working

I have a Sager NP8130 notebook with two USB 3.0 ports which I cannot get to work in any linux distros I've tried. The distros I've tried so far are the latest 64-bit (where available) versions of the ...
5
votes
1answer
758 views

How to understand Hot plugin mechanism for a USB in an Android stack?

I want to know where I could get some material to study USB hot plug-in mechanism in Android Stack. I tried googling many a times, but din't find anything useful.
5
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1answer
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Monitoring USB traffic

Kernel version: 2.6.31-22 I wish to monitor the USB traffic to and from a device. I've searched, but different sites seem to give different information and I'm confused. Some sites suggest that I ...
5
votes
1answer
259 views

What's changed with USB drivers in 4.0 and later Linux kernels?

With kernels up to 3.19, all of my USB devices work perfectly. On upgrading to 4.0 or later, some of my USB devices stop working and the kernel produces errors like this: [ 3.369436] usb 9-1: ...
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2answers
97 views

Restrict USB access on a Debian

Is it possible to restrict the permissions of USB ports on a Debian (Linux) system ? For examples : Suppressing the ability to plug any kind of material excepted USB key? Giving the ability to ...
5
votes
1answer
503 views

Can I make a USB port on my Linux computer look like a mass storage device?

I'm running Kubuntu 12.04 on my PC. I want to make one USB port on my computer appear as if it is a USB mass storage device to other devices. In other words, something connected to this USB port will ...
5
votes
1answer
7k views

Two usb wifi adapaters, only wlan0 appears, how to get wlan1?

I'm attempting to connect two wifi usb dongles to a debian system, one is to connect to a local lan, the other I plan to use in adhoc mode to connect to a specific device. You could look at this as an ...
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2answers
2k views

Does the filesystem influence flash drive speed?

I'm currently filling up an empty 16GB flash drive which gives me a lot of time for imponderables. It's formatted as fat32 or whatever it came with (and I'll probably leave it that way for ease of ...
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1answer
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Samson Meteor Mic under Linux/ALSA [closed]

Has anybody gotten a Samson Meteor Mic working under Linux/ALSA? I tried to google it but I found no mention of Samson Meteor under Linux at all. Kernel/ALSA/Audacity see the device. Unfortunately I ...
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1answer
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Unable to boot Chromium OS from USB drive

I have tried both my own builds of Chromium OS and Hexxeh's daily Vanilla builds, and neither work. I copy them over to my flash drive, but when I try to boot from it, nothing happens except my ...
5
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1answer
183 views

How to detect if USB device is bootable in udev?

I'm trying to write a udev rule to not mount USB devices plugged into my system if they're bootable, but I don't know how to specify in udev if a device is bootable in a rule. Is that possible? If so, ...
5
votes
1answer
552 views

How can I prevent drivers from binding USB devices on a certain bus?

I have a setup with two Logitech Unifying receivers, each receiver has a keyboard bound to it. One of the receiver is to be used by the physical machine to which the devices are connected, the other ...
5
votes
1answer
1k views

Configure fstab for a bootable usb

I'm trying to clone a partition and make it a bootable usb. I've made two ext3 partitions (just like the installation I'm cloning). The first one is small and has grub/ and the kernel. The second ...