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Questions tagged [usb]

Universal Serial Bus, an industry standard for serial communication.

The Universal Serial Bus is an industry standard for serial communication, defining:

  • connectors
  • protocols
  • cables

Originally developed to have a standard for connecting devices to computers.

More info on usb.org and wikipedia.

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Hyper-v passthrough of usb nfc reader

Is there any way to passthrough a NFC reader (ACS 122U) to an Hyper-V guest? I have a windows server 2022 host, drivers installed correctly. I already configured the required GPOs from this article here but it still isn't recognised. Works fine in…
Teemo22
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USB SATA adapters not working with SSDs

Has anyone else experienced issues with USB SATA HDD adapters working fine for traditional hard disks but not for SSDs? I haven't been able to find any information about this, but I've now encountered this issue with multiple SSDs and multiple…
SystemParadox
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Lost of PPP Connection between Debian <--> PDA / HandHeld using SynCE

I am currently able to connect a handheld to the PC running Linux with a very old Ubuntu 14.04, adding repository PPA for SynCE to source list. Now, the goal is to update the operating system, I chose Debian Buster where I have successfully…
Gustavo
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CUPS print server on Raspberry Pi Zero W: usb issue?

I am trying to setup a print server with a Raspbian installed on a Raspberry PI Zero W. The printer, connected via USB, is a mfp Samsung SCX-3400. I have setup everything and i can print, but the printing time (between launch of the print on the…
Sandro B.
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USB3 HDD write speed Debian 11 vs Ubuntu 22 (ESXi 7.0U3 VMs)

I have two VMs running on an ESXi 7.0U3g host. Both VMs are installed on an NVMe datastore (FYI for comparison below, note "usbspeed" vs "nvmespeed" tests), and have identical configuration: CPU: 8 Memory: 16GB SCSI Controller: LSI Logic…
caffeinatedbits
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USB peripherals reconnecting and finally disconnecting when on battery power with CyberPower CP1500EPFCLCD UPS

The following happens with my brand new, fully charged CP1500EPFCLCD UPS by CyberPower if I cut power to it (with the home circuit breaker): After a few seconds, my USB mouse starts reconnecting (i.e. stops working and then starts working again)…
Piedone
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Using USB HDD with Arcserve / Brightstor

I am having an issue configuring a standard USB HDD for use with CA Arcserve Brightstor 11.5 SP2 : Under the device list it shows a USB device category but none of my USB drives are listed underneath. I have attempted to "scan devices" but it makes…
Hilton D
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Xen hypervisor: What does the acronym RMRR mean in "(XEN) [VT-D] It's risky to assign" ... "with shared RMRR at"? What are the risks?

I'm running Qubes-OS 4.1.0 While looking through the /var/log/xen/console/hypervisor.log I stumbled over the following messages: ... (XEN) [VT-D] It's risky to assign 0000:00:14.0 with shared RMRR at c9f42000 for Dom40. (XEN) [VT-D] It's risky to…
pefu
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After USBGuard having blocked all USB devices including keyboard, is there any way to stop the service?

After USBGuard having blocked all USB devices including keyboard, is there any way to stop the service? Or will I need to reinstall the system as it is rendered unusable if it is not remotely accessible?
kaiya
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Sharing My USB Storage on remote desktop server

I have a server with public IP number running windows server 2019 . I can access this server via remote desktop through my personal computer. Is it possible to share my USB storage from my personal computer and make it appear on public server. The…
ahmed shahin
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How to Diagnose Constant ZFS Repairs

I ran a zpool scrub 4 times on my pool today. Each time, it found and fixed errors. Bad drive, right? The pool has 2 drives, and smartctl reports zero Raw_Read_Error_Rate for each. So the drives say nothing is wrong. ZFS is finding errors on both…
Kevin Kleinfelter
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Split initrd into smaller files

I would like to know if it's possible to have a split initrd implementation. Our reason for doing this, is the fact that our Fedora based application uses a stripped version of Fedora underneath with an initrd file which has become so large…
jbbletterman
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Is there exist in a market some usb->ethernet->wifi combo dongle?

I have a USB-ended device which I want to connect to Enterprise Wireless network (EAP/TLS via FreeRadius). Is there any device in a market which can act as a WiFi client with EAP/TLS possibility? Now this device connected to the network via…
A. Petrov
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Remote access to `/dev/input` fails with permission error

I need to open a USB game controller device (joystick) remotely. This device is physically connected to server and is available for local user with permissions: crw-rw-r--+ 1 root input 13, 0 ** /dev/input/js0 Using sshfs on client side, I mounted…
zlg
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Is it possible to get some indication that YubiKey (or another USB device) is connected at Windows 7 login dialog?

Scenario in question: Slowish Atom netbook. I resume from sleep or hibernation. Windows 7 login prompt displays. I have a loooong password stored in YubiKey. I plug in YubiKey, it lights up, like it's ready to do work. I press button on YubiKey to…
lkraav
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