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

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USB bEndpointAddress varies when run on different targets

I am running a target application that implements the usb gadget driver FunctionFS and has 4 endpoints. I write the descriptors to the endpoint ep0 and the other 4 endpoints are opened for read/write ...
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47 views

How to have X server on another graphics card which keeps refreshing when I'm working on my main display?

For presentations I want to use the external USB connected video adapter connected to the projector (especially as the standard VGA output in my laptop got damaged). My idea was to start a dedicated ...
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65 views

RNDIS Server to make a computer as a peripheral

First of all my goal is this, have a computer as a peripheral device to connect it to anyone's computer with ssh protocol or web. The idea is doing this by using a plug and play USB cable . Facts ...
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73 views

Ubuntu - USB device not discovered after system restart

I have an USB device that after pluging in is visible as /dev/ttyACM0. Unfortunately, after system restart, it is not beeing discovered and I have to plug it out and in again to work. I have found a ...
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1answer
330 views

How to create a bootable Linux installation USB from an ISO in OS X?

I downloaded the ISO for Debian's net installation to a computer running OS X. I want to put the data from the ISO onto a USB, so that I can install Debian on another laptop (not an Apple laptop). ...
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212 views

Fedora unable to detect USB or wireless networks? [closed]

I installed Fedora(Gnome) 19 on a Dell Inspiron with Intel i3 processor, and a factory built-in Windows 7 home premium OS. The installation process completed successfully. But now when I log into ...
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33 views

Slackware 14 can't find DVD after booting from it

I am installing Slackware 14 from a DVD onto a gigabyte 990fxa-ud3 motherboard. The DVD boots fine but when I run setup and choose CDROM as the source, it says that it can't find the CDROM drive. ...
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320 views

Connect Huawei E3131B 3g Modem

I am attempting to connect a Huawei E3131B 3g modem using Linux. I use usb-modeswitch and pppd. First I mode-switch the modem using the command: usb_modeswitch -c /etc/usb_modeswitch.d/12d1:14fe -v ...
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79 views

Card Reader UB6520 on Parabola GNU/Linux

I'm trying to make work the SD card reader UB6250 on Parabola GNU/Linux. Could you help me please? After inserting the SD card, I get the following dmesg: [65408.273667] usb 2-5: new high-speed USB ...
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2answers
2k views

Which USB slot is 2.0 or 3.0? How do I know?

I would like to know if my desktop computer supports USB 3.0, but from the output below this seems unlikely. I get the following output from lspci: root@liv-HP-Compaq-dc7900:/home/liv# lspci -v | ...
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1answer
123 views

Crunchbang installation on netbook

I've recently installed crunchbang on my Compaq mini netbook, as the computer was not very powerful I chose crunchbang and was hoping to be able to use the computer mainly as a VPN server I could log ...
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1answer
50 views

What is needed for USB a device to appear under Sound in Ubuntu control panel?

I have a device that combines two audio interfaces and one HID interface. It enumerates correctly, as lsusb -D shows. Also, a trace with wireshark shows no errors - all descriptors are exchanged ...
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60 views

How do i block USB devices based on device class in Linux

Problem Statement In windows server to provide access to USB devices are managed by GFI EndpointSecurity. Is there any open source tool in Linux which can do the same job. I want to block USB ...
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3answers
165 views

How to set up wireshark with correct permissions [duplicate]

Ubuntu 13.10, Saucy Salamander here. I am trying to install wireshark in order to monitor USB activity with a certain device. The problem is that wireshark does not have access to the USB bus (or any ...
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1answer
728 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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120 views

External disk doesn’t appear in /dev/

I have an external (USB-2.0) hard drive. Today I couldn’t mount it after plugging to my computer. When I look in /dev/ $ ls /dev/sd* There is no new disk, only sda and sdb with their partitions, ...
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1answer
123 views

How to create bootable debian usb drive from an existing linux partition?

I've been using linux (ubuntu, debian, and salix) for a few years but have never been able to create a bootable usb drive from within linux. I've always had to use pendrivelinux which is a ...
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1answer
398 views

ddrescue extremely slow on USB hard drive

I'm recovering the HDD from my laptop that died (wouldn't boot up at all, Disk Utility reported that there were no problems, but wouldn't mount the disk). I've hooked up the HDD through the USB ...
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23 views

Power USB port of MacBook Pro while sleeping

I installed Fedora 20 on my MacBook Pro. I'm also an iPhone user. While I can charge the iPhone using the USB port when working, once the computer falls asleep, the USB ports are powered off. This is ...
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1answer
173 views

udev rule for a USB device and ignoring others

Is it possible to create a udev rule for an USB device and ignore other USB devices? I want my system to support HID USB touchscreen (hid.ko) and ignore HID devices such as keyboards, mice, etc.
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1answer
222 views

kvm usb modem passthrough

I'm trying to set up a USB modem passthrough in kvm virt-manager. The host is Fedora 20. The guest is Centos 6 $ ifconfig wlp0s29u1u6: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether ...
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71 views

How to make a mouse driver from a tty?

I have an Arduino plugged in my computer through the uart/tty port. I would like to use it as a mouse but I have no idea where to start with kernel/device drivers/etc. Here is a little summary of ...
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3answers
266 views

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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1answer
831 views

How creation of new USB device file in /dev/bus/usb/001/ directory work?

I noticed that every time I connect a USB device, a new device gets created in the /dev/bus/usb/001/ directory. Further on each reconnection of the same device, the "Device Number" and "ID" change. ...
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1answer
299 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 ...
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1answer
137 views

How to make a USB storage device undetectable in u-boot?

I need to do a test in an embedded system where I plug in the USB storage device and do "usb start" but the USB storage device is not detected. I have a working pendrive. How to make it undetectable ...
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1answer
129 views

USB device to be detected at the “same” /dev point always?

In Linux (actually I'm with CentOS v6.5), whenever I plug in my USB Terminal/Character Device (some kind of USB Adapter) for the first time (after booted), it is detected at: /dev/ttyUSB0 But ...
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2answers
574 views

How can I trigger an event in shell script when an USB device is removed?

I need to do some actions when a specific USB device is removed/added. I need a fast response on the order of milli-seconds. How can I do this in a shell script?
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2answers
113 views

Is it possible to mount one H.D.D. via USB Hub on two PCs?

Having a HDD Drive on a USB hub with two partitions. Can I mount first partition to Computer A and second partition to Computer B without trouble? Or even better, would it be possible to mount one ...
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1answer
104 views

USB disk doesn't work on the new kernel

I just install the latest linux kernel (3.12.6) on my laptop(Lenovo). My system is Ubuntu 12.04. I just use the old configuration file in the old system which is "config-3.2.0-58-generic". Everything ...
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1answer
495 views

Creating bootable USB from .iso in Fedora 19

I created a somewhat similiar question previously, but seeing as my understanding of the topic improved drastically with the answers, I realized that I had asked the wrong question. I am trying to ...
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1answer
291 views

Kernel recognizes USB device but then I can't find it in /sys or /dev

When I connect my Samsung 390G (a cheap cell phone!) to Ubuntu 13.04, dmesg seems to indicate that the storage device thereon is recognizable: [Sun Dec 29 01:26:10 2013] scsi16 : usb-storage ...
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1answer
40 views

Install to usb drive

I'm thinking about to install Debian Wheezy or CentOs 6.5 (not the live version) on an USB drive. I think this shouldn't be a problem as long as my computer can boot from USB. But will this work ...
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2answers
70 views

Kodak still camera udev problem

My still camera is not includev in udev list. lsusb stands: Bus 007 Device 016: ID 040a:058b Kodak Co. Digital Camera So I add to /usr/lib/udev/rules.d/40-libgphoto2.rules ...
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0answers
46 views

Detach keyboard from the kernel

I am writing a remote controller app for an octocopter and want to use a keyboard as an input device for this app but I don't want it to have any effect outside this app. Somehow I would like to make ...
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1answer
87 views

udev GROUP and MODE assignments on symbolic link have no effect

I'm trying to connect my velleman k8055 board per usb to my pc. For this I have the udev rule SUBSYSTEM !="usb_device", ACTION !="add", GOTO="velleman_rules_end" ATTRS{idVendor}=="10cf", ...
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3answers
668 views

USB flash drive mounts and unmounts automatically

Whenever I plug my flash drive into the usb, a message like this window appears on the screen: Error mounting /dev/sdb1 at /media/sajjad/Linux Mint 16 Cinnamon 64-bit: Command-line `mount -t "ntfs" ...
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0answers
43 views

Driver not showing in /sys/bus tree

I'm trying to bind the "rt3572sta" to a USB device that previously had the "rt2800usb" driver bound to it. I ran this: $ sudo sh -c "echo [device-bus-id] > /sys/bus/usb/drivers/rt2800usb/unbind" ...
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0answers
398 views

WiFi USB stick not recognised by BeagleBone Black

I'm trying to set up a TP-LINK TL-WL725N v2 WiFi USB stick on my BeagleBone Black. However, it doesn't even appear to be recognised, i.e. it doesn't show up in the output of lsusb: $ lsusb Bus 001 ...
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1answer
149 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 ...
3
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1answer
950 views

Modules for USB wireless adapter missing?

I have an USB wireless adapter that is recognized as: # lsusb ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter. I am using this adapter on a device that has a much slimmed down kernel ...
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0answers
73 views

Gphoto2 does not output anything

I'm running ArchLinux and I want to download all the pics from my EOS1100D. However when I plug the camera and run gphoto2 --list-ports Nothing happens at all and the program get stuck. Here's ...
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0answers
109 views

Double-Ended USB Unrecognized Alfa AWUS036NHR

I have a wonderful little wireless adapter that works perfectly well on Windows, but drops the connection regularly in Arch. As far as I can tell, it's not getting enough power to function properly. ...
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120 views

Scanner works in laptop, not in desktop

I have an Epson Perfection 660 flatbed scanner that works on my laptop. This is what appears in /var/log/syslog when I plug it in: Dec 18 15:43:57 lap kernel: [   31.868278] usb 6-2: new full-speed ...
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1answer
616 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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2answers
393 views

How to mount a filesystem from a given USB bus:device

Recently I bought a new smartphone (with Android). When I connect it to my laptop, the (gui)file manager (PCManFM) recognize it and show me the filesystem at route gphoto2://[usb:001,003]. But I can't ...
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1answer
51 views

Missing usbserial driver

I am looking for the usbserial driver: “option” for Debian Jessie and armel architecture. Is there a package that contains this and other usbserial drivers? Where is the source-code for this driver ...
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1answer
213 views

USB 3.0 host controller suddenly stopped working

sudo lshw *-usb:0 UNCLAIMED description: USB controller product: 7 Series/C210 Series Chipset Family USB xHCI Host Controller vendor: Intel Corporation ...
3
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2answers
560 views

USB memory stick failing to mount - Not Authorized

One of my customers uses a machine running CentOS 6.4 with Gnome 2.28.2. Whenever he plugs a USB memory stick or external hard drive into the machine he gets an error pop-up that simply states Unable ...
0
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1answer
28 views

Yanked USB Key During Move [duplicate]

I'm using Fedora 17. I was backing up some files to a USB key. I was foolish and used the Move command instead of copy, and before the directory I was moving completed I accidentally yanked the usb ...