Questions tagged [usb]

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

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Linux: disable all USB networking (Ethernet & WiFi)

How can I disable all USB networking devices (both Ethernet and WiFi), but keep all other device types (e.g. memory stick) enabled? Is there a common match key that could be used in udev rules? What ...
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Kali Linux Fresh Install Failure

I'm trying to install Kali linux for the first time. I am installing the newest version on the downloads page and have successfully created a USB boot media using the tool recommended by Kali. I ...
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Unable to enumerate USB device - unknown device: how to find out device that odes not show in lsusb?

I have a hardware product which sends a signal to an LCD display. The hardware box (unknown chip set) has an USB-A outlet and connects to a USB-B outlet on an LCD-display. The LCD display shows ...
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USB network adapter claims to work at 100 Mpbs, but router says it's 10 Mbps

I have a cheapo USB Ethernet adapter connected to Raspberry Pi Zero. When I log into my router's interface, I can see that the connection speed is 10 Mbps. However ethtool eth0 says that it's 100 Mbps ...
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How do I load a kernel module g_massstorage in boot?

I've been trying with with the g_mass_storage kernel module. Tried loading it by putting it in /etc/modules and when the module boot nothing happens. When i lsmod it shows only usb_f_mass_storage.. i ...
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Access USB device storage via terminal

For some reasons my Debian is broked and It boots me into a termial based UI instead of my desktop. Where can I find my USB device storage directory in this terminal? Edit: It's not under /media
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My monitor claims to have 3x USB 3.0 ports, but why don't they work correctly when the monitor is connected via USB-C?

I recently purchased a HP Z27 monitor. It's 4K/UHD, and supports video input via usb-c. It also has 3 "downstream USB 3.0" ports that are available for use when the usb-c cable is connected. I'm ...
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How to make GRUB boot a different USB drive

Some context first: I have an old PC I intend to use as NAS with a openmediavault (debian based) installed in a flash drive. So I bought a pci-e expansion card with USB 3.0 ports for higher speeds ...
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Ubuntu 18.04 Mouse Pointer Blinks when the second monitor plugged in with a USB-HDMI converter

I recently purchased a CableCreation USB-to-HDMI converter to plug in a second monitor. Installed a driver provided here. Mouse cursor blinks badly when on the primary screen, the one pluggled through ...
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Any way to make a bootable USB non-persistent with additional 'persistent' programs?

I have recently been running Puppy Linux 8.0 from a persistent USB drive. The problem is I do not have a particularly fast USB, and when running in persistent mode it is incredibly slow (almost ...
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Passing a USB device to Qemu KVM

I am trying to get my Windows VM to access my USB pen drive, but I am having problems passing this USB over to the VM. On my Linux host machine, I ran lsusb where my device was identified as Bus ...
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STM3210 USB to serial adapter not showing up in /dev/ttyUSB

I found a vinyl cutter on Ebay, and purchased it. Then I stumbled upon this video: https://www.youtube.com/watch?v=3tZXsUGEJ-E which demonstrates that it is possible to use this type of device on ...
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Kinect won't konnect

I'll start with context and get to the question. I have been working on setting up ARSandbox and I've been having issues with hooking up the Kinect.I seem to have narrowed it down to problems with the ...
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unable to install any OS (xubuntu, debian..etc, please help me!!)

I was trying to boot Xubuntu, Ubunto, and many other variants. Initally on BIOS my USB stick was never detected to boot from, so after reading online I found out that I need a (bootia32.efi) to be ...
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usb-devices not recognized

My Thinkpad does not recognize usb-devices unless I plug them in before booting. dmesg | grep usb or lspci -v | grep HCI do not give any output. ➜ ~ uname -a Linux thinkpad 5.0.0-37-generic #40~18....
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How to disable xhci-hcd (in LibreElec) (Disable USB 3.0)

I asked at the same question at LibreELEC forum but I am trying here as well. I'm running media box with LibreELEC and external drives (all USB3.0). The box itself does not have USB3 capabilities (...
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It's now 2020, what is the current way to automount usb drives in Linux (Debian)?

With every new release the way to automount USB drives in Linux seems to change (fortunately I'm using Debian, so I'm only losing a few days on this every 2 years). We used to have usbmount, udisks, ...
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Kinect 0 does not exist

I'm trying to set up the AR Sandbox and I'm having a tough go of it. I can't seem to get KinectUtil to pull the intrinsic calibration data from the kinect unit. When I use the KinectUtil list command, ...
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USB not working on Ubuntu

The USB ports in my notebook don't work for my kindle and my pendriver. Although they work with my cellphone. I tried running fdisk -l and all the sdb partitions are missing. But if I run lsusb the ...
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udev Rule Doesn't Trigger When USB Gamepad Connected

I have a Raspberry Pi 4 hooked up to my TV. When I plug in my USB controller, I would like to run a script that uses CEC to turn on my TV, switches the TV input to the Pi, then starts Steam Link. The ...
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Is there a way to mount a bluetooth device as a bluetooth USB device?

I run Qubes, which is based on Xen. I have a virtual machine called sys-usb just for handling USB. This machine makes available all the USB devices and I can redirect them to other VMs. This VM has ...
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Can't access USB devices inside of VirtualBox

I am trying to pass USB stick to a Windows installation inside of VirtualBox, but it doesn't show any of the USB devices. I also tried instaling the VBox Extension Pack and running it with USB 3.0 ...
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udev rule does not apply on boot - have to reconnect usb every time

I use Arch Linux and have the following udev file in /etc/udev/rules.d to get access to the display on my G19 keyboard: SUBSYSTEM=="usb", ATTR{idVendor}=="046d", ATTR{idProduct}=="c228", RUN{builtin}+...
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No /sys/kernel/config/usb_gadget

I followed https://events.static.linuxfound.org/sites/events/files/slides/USB%20Gadget%20Configfs%20API_0.pdf and complied the kernel with Device drivers [*] USB support <M> USB Gadget ...
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USB ports not working on Gentoo 4.19.27

I'm running a freshly compiled Gentoo 4.19.27-r1. lspci | grep USB returns: 00:14.0 USB controller: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller (rev 21) lsusb returns nothing dmesg | ...
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Why does my bash script not complete when launhed from a Gnome shortcut in Fedora 31?

I use a USB Ethernet adapter here and it regularly falls out of my laptop and when I plug it in again sometimes Fedora 31 (or may laptop) doesn't recognise it has been plugged in again - resulting in ...
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USB write protection: detect hardware fail

I'm struggling with an old USB that is mounted in read only. I've tried to set the bit of read only to 0, but no fortune. How can i be sure that is related to a hardware fail?
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How to switch 5v USB on/off?

I purchased a HMI(Human-Machine Interface -Exor Esmart04) running on Linux with kernel version 3.10.12. On this HMI there is a USB port which outputs 5V, this 5V I'm trying to switch on/off using a C ...
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Chromebook fails to load Kubuntu installer USB

I'm trying to install Kubuntu on my Chromebook (HP Chromebook 11 G3). I got the installer from the Kubuntu website (the amd64 one, as running uname -m gives me x86_64), checked all of the checksums, ...
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Menu to disable/enable trust for USB/thunderbolt devices

Is there a way to enable/disable trust for USB/thunderbolt devices? Sort of like when you plug something in, it asks you whether you want to trust the device for data? I remember seeing a video where ...
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What is the meaning of SYMLINK in udev rules?

I've been trying to write a USB driver for a device, but none of the methods (libhid, libusb-0.1, libusb-1.0) I've tried work. I've written usb drivers before. I can also communicate with the device ...
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ttyACM0 connected but not showing received data

I have a STM32F4 microcontroller, with the USB interface, I connected it to the raspberry pi. When connected, it shows up as /dev/ttyACM0. I send some chars every second from the device. In windows, ...
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NTFS-3G cannot on macOS catalina: MFTMirr does not match $MFT (record 3)

I have upgraded my macOS from High Sierra to Catalina, which, I think, causes for me to have following error. Is there any way to fix this error? $ mkdir /Volumes/FOLDER $ sudo /usr/local/bin/ntfs-3g ...
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USB GSM modems become unresponsive when many are accessed at the same time

I'm working at a project that requires concurrent access to multiple USB serial devices (modems) through the Linux option driver. The USB modems are connected through an USB 3.0 hub. As I connect ...
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Should you use external hdd storage device and/or usb sticks for booting linux system for long term uses?

Hi sorry I am a newbie in linux and was just wondering if it is a good idea to use usb/hdd to boot linux?? I used samsung usb 3.1 128GB to boot Kali linux and it heated up pretty quickly which made ...
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How to to access /sys/bus/usb/devices/ from qemu with AppArmor enabled? (“Cannot Open File” and “Cannot read serial from…”)

I'm trying to access an USB device with AQEMU. For this I have added an USB port in the media options. But when starting the virtual machine I'm getting these errors: AQEMU Warning [..] >>> ...
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Dual boot installation of kali linux along with windows 10

I have installed windows 10 in UEFI mode and I'm trying to install kali linux along with windows. So i have flashed usb drive for kali linux but usb storage option appears only in legacy mode not in ...
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How to verify static LAN IP assignment to USB0

A Raspberry Pi 3B+ is configured with Raspbian with a working wifi: pinned to a static LAN IP address Per the procedure: a static IP 192.168.42.42 assigned to the rPi's USB0 interface. Append: ...
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Multiboot USB purely Linux - No third party software

Is it possible to create a multiboot USB for Linux distributions, purely from Linux, without third party software? NOTE: this is a self-answered question. I wanted to share my methods with the ...
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4G LTE Device [USB Tethering]--> Raspberry Pi [Ethernet]--> Router, is this possible?

Ok, some background info first: 1) I run a Debian fork (Netrunner Blackbird, right now) for my daily and this has allowed me to get fairly comfortable with Terminals (Konsole on KDE, mostly)... 2) I ...
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Write HFS+ on Kubuntu 19.10

I am having trouble mounting a HFS+ drive with writing capabilities. Before you ask : I have googled this issue, tried multiple proposed solutions I have installed hfsplus hfsprogs Test ...
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Raspbian: Reading USB port intermittently works

I have a Raspberry Pi running Linux - Raspbian. The problem is that I'm seeing odd behavior when I try to read the USB port. It gives intermittent results. Last night it worked, this morning it ...
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Is there a limit to the number of USB gadget can be created with configfs?

OS: Ubuntu 18.04.3 Kernel: 5.3.8 Hi guys :) I'm trying to create bunch of HID gadgets by using configfs. It was successful until setting up fourth gadget, but kernel emits error message during ...
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Why udev doesn't create a symlink to device?

I have a device connected via USB: Bus 001 Device 009: ID 18d1:4ee4 Google Inc. Nexus 4 (debug + tether) I've tried to add both: ACTION=="add", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4ee4", ...
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USB3.0 connection problem with NanoPi M4

I have a single board computer NanoPi-M4 which has 4 USB3.0 ports and use Armbian OS which is "a Debian and Ubuntu based computer operating system for ARM development boards.". The problem is, when I ...
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Unable to mount a gpt partitioned external USB drive in Ubuntu 19.04

I'm trying to mount an external Toshiba USB drive in Ubuntu 19.04. No entry appears in the file manager gui when the drive is plugged in. fdisk shows... ewan@tiny:~$ sudo fdisk -l ... Disk /dev/sdb: ...
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USB device numbers overflow behavior

I have a USB device connected. Each time I send “power on” command over the USB interface, the device disappears from Linux, and reappears as the next device ID. E.g. if I detected the device as /dev/...
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how can i configure usb?

I want to configure USB in NUCLEO-H743zi board . I have used QUBE-MX and I have chosen CDC class (communication device class) mode for receiving and sending data to PC . when I plug in the USB port ...
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How to reconnect a logically disconnected (but still physically connected) USB hard drive after a reboot in CentOS 7?

I assumed it would just show up again, like it did after initially plugging in, but it seems after issuing a reboot command the drive is no longer visible. Before I rebooted the only place I could ...
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How to mount connected USB external HDD in CentOS 7?

All of the guides I've found say the first thing to do is to run fdisk -l, to identify the disk. Sadly it doesn't seem to show up on fdisk for me. Next I checked dmesg, which gives this output: [...