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Questions tagged [usb]

Universal Serial Bus, an industry standard for serial communication.

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Laptop connected with HP USB-C Dock G5 cannot shut down properly [migrated]

I use an HP USB-C Dock G5(S/N: 5CG321Z29T) with my Dell Latitude 5531 laptop. Specifications below, OS: Windows 10 Pro OS Version: 22H2 Ram: 32GB I connected the dock to the Type C port of the laptop. ...
KIRAN K J's user avatar
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How to fix USB with "device descriptor failed" issue in Windows 10

I use a Kingston DT50 USB to flash OS in different computers. When I tried to format it from Windows 10, it failed. From then onwards, it is not usable as a flash drive and in Windows 10 device ...
Jeevan Sai.K's user avatar
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How to remove "Current read only: yes" attribute in USB flash drive

This is USB recovery flash drive given to me when I bought my laptop I want to install other Operating system in that flash drive but when I try to format it it says "USB is write protected" ...
Jeevan Sai.K's user avatar
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228 views

Exclude Bitlocker encrypted USB from USB storage disable GPO in Windows Server?

I have a USB drive to move files between a domain and a standalone PC. The USB drive is encrypted with BitLocker and can be used between a domain client pc and the standalone. On my domain there is a ...
Kostas's user avatar
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xhci_hcd errors on CentOS 6 for cp210x device

We have very old CentOS 6 installed on CheckWay Sherman with Linux kernel 2.6.32-696.1.1.el6.i686. We try to integrate external usbserial scales device but there are errors settings UART speed. stty -...
Olga Pshenichnikova's user avatar
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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 ...
Teemo22's user avatar
-1 votes
2 answers
285 views

USB Proxy "Dongle"

I need to be able to record all print requests to a printer physically connected via USB to a PoS like system. There is no need for me to manipulate the print job, I just need a "copy" of ...
Stefan's user avatar
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Microsoft Active Directory Admin - Discriminate usable USB Disk devices

good morning, I have been trying for a while through policy management or other microsoft media to restrict the use of USB removable disks. I know that through Active Direcory I can enable and disable ...
Cris9400's user avatar
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1 answer
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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 ...
Gustavo's user avatar
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222 views

How do I prevent a faulty USB drive from freezing my Ubuntu server?

I have an issue where a mounted external USB hard drive fails, this causes the IO Wait of the system to spike (I can see this in Grafana) but shortly after the system becomes completely unresponsive, ...
Hackeron's user avatar
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Can't live-attach a USB device to a kvm virtual host again after upgrades

I have a DS2490 USB 1-wire interface on the home server conway which is attached to one of the virtual machines so that that virtual machine can read the sensors on the 1-wire network. This attachment ...
Koos van den Hout's user avatar
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1 answer
314 views

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. ...
Piedone's user avatar
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3 answers
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Is there a way to power down/reset a USB port if it or a device attached has issues?

I've got an issue with some hardware in a test lab that, when the device being tested has an issue, it seems to "crash" the USB controller, causing the port to not show devices connected......
Evan R.'s user avatar
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2 votes
1 answer
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How to auto redirect a usb device on virt-manager

How do I automatically redirect a USB device to a remote KVM? preferrably filtered by ID. I have a KVM running on a server (QEMU+SSH), and the display protocol is Spice. How could I always redirect a ...
Luctins's user avatar
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1 answer
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"hdparm -s 1" on USB disk -> bricked? - USB drive is on power on in standby mode which cannot be reverted with hdparm

I have a disk which was apparently put into PUIS mode with hdparm. As the disk does not spin up on power on automatically, I think I need to send it directly to the USB device (which is not even ...
Questi's user avatar
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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 ...
pefu's user avatar
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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 ...
kaiya's user avatar
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kvm and libvirt: hotplug virtual disk as USB storage

Observations (1) A new virtual disk can be hot plugged into a KVM/qemu VM as a qemu virtio device, e.g. see question KVM and Libvirt - How do I hotplug a new virtio disk?. However, this requires PCI ...
Joachim Wagner's user avatar
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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 ...
ahmed shahin's user avatar
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1 answer
135 views

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 ...
Kevin Kleinfelter's user avatar
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50 views

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 ...
jbbletterman's user avatar
4 votes
2 answers
12k views

Redirecting USB device to a virtual machine with virt-manager does not work

I have a Fedora workstation running an Ubuntu 16.04 virtual machine (KVM hypervisor). I'd like to redirect a USB device to the VM, but when selecting "Virtual Machine | Redirect USB device" ...
Romain Deterre's user avatar
2 votes
1 answer
2k views

USB networking setup between Android and embedded Linux

I'm working on a project right now where we have an embedded Linux system running some sensor/motor control functionality, and we're creating a GUI application to allow the user to control the system. ...
rdowell's user avatar
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1 answer
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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 ...
A. Petrov's user avatar
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0 answers
212 views

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/...
zlg's user avatar
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1 vote
0 answers
132 views

Read data off Apple NGFF M2

I have one of those propietary NGFF M2 SSDs found in older Macbooks. I bought a converter which is supposed to convert it to a standard NVMe. When I plug it in my Linux box only sees it as a SCSI ...
Shawn Welch's user avatar
3 votes
1 answer
1k views

What is the purpose of a xHCI controller while esxi6 doesn't support USB3?

When I add a virtual xHCI controller to my Linux VM on an esxi6 host, plug some USB3 device to a blue USB 3.0 SuperSpeed port on the server and connect this device to the VM, I get only USB2 speed. ...
Juergen's user avatar
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-1 votes
2 answers
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Unplugging power bank usb safely [closed]

I have a strange question, but please bear with me. Mostly I charge a power bank via usb in my laptop. When I want to unplug it, Windows does not show a "Safely remove hardware" option and ...
Coder13's user avatar
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0 answers
29 views

USB 3.1 Gen II - if there are two attached Gen I devices, will it allocate 5Gbps to each?

Most USB PCIe add-on cards are single chipset and the ports share the available bandwidth. Theoretically, if I have two USB 3.1 Gen I devices that each can saturate the 5Gbps bandwidth, attaching them ...
IAmTheSquidward's user avatar
4 votes
1 answer
124 views

USB for keeping data safe

I'm used to consider that USB transfers are safe for data, that is USB does not add level of unreliability to data storage. However, I read that USB is not always a good choice for data transfer ...
abitbol's user avatar
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0 answers
92 views

Read files from an encrypted disk?

Is it possible to read from an LUKS-encrypted disk via the terminal, e.g. by booting from a live Linux system on a USB flash drive and accessing the encrypted host computer's hard drive?
david's user avatar
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2 answers
447 views

Is exFAT filesystem a good choice for USB3 HDD connected to a home NAS server on Raspbian? [closed]

I have a home NAS on Raspberry PI4 with a USB3 HDD connected. I have a variety of devices with different OSs (Linux, Win and Mac), and I'd like to be able to access that HDD from any of those with a ...
Ivan Koshelev's user avatar
2 votes
0 answers
190 views

Autofs and udev rules to restrict usb permissions to groups

I need some help trying to figure out how to restrict the reading and writing access of usb devices. There are two groups on my system: usbreaders: only should have rights to access and read the usb ...
DG DM's user avatar
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0 votes
1 answer
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Possible to run a G-Technology G-SPEED Q with only 1x hard drive installed?

I picked up an old G-Technology G-SPEED Q that had had all of it's internal drives removed. It previously held 4x 2TB hard drives that it could run RAID 0 or 5 accessible via USB 2.0, Firewire 800 and ...
Gerard de Jong's user avatar
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0 answers
110 views

DD copy fails because output device path change during copy

I'm trying to copy an external USB hard drive to another using DD. my command: dd if=/dev/sdb of=/dev/sdc conv=noerror,notrunc iflag=noatime status=progress I'm using a live debian 10 distro. ...
macrophone's user avatar
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1 answer
4k views

Dell R230, unable to boot from USB

I have a Dell R230. I'm trying to install FreeNAS 11.3 and use an USB stick as boot medium. I tried three different USB sticks (all of which work for booting on other computers): - Kingston DTSE9 G2 ...
matthias_buehlmann's user avatar
1 vote
1 answer
811 views

MMCLI on BusyBox returns "Cannot request manual scan of devices: unsupported' - IMEI

I have a USB modem plugged into a BusyBox v1.23.2 appliance. Typically I would be able to get the IMEI number using the MMCLI command set. However when this specific card (multiple of the same card - ...
PHELMS's user avatar
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0 votes
2 answers
239 views

Linux How can I find out if the server has USB2 or USB3

I have a server that I do not have documentation and I plan to buy a USB Storage Device that is USB3 and now I want to find out if the server has USB2 or USB3. I tried dmesg | grep usb [ 1....
Max Muster's user avatar
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0 answers
48 views

Control lamp from FreeBSD

I have a webcam connected to a FreeBSD server that I want to collect and email an image on a schedule via a cron job. The room it is in may not always be lit. I am hoping to find some solution where a ...
Jonathan Gilbert's user avatar
1 vote
2 answers
773 views

External disk drive write performance decreases after some time. What could be the reason?

I have an external USB 3 "spinning rust" 2.5'' Harddisk. Serial number lookup at Western Digital reveals this is a model WDBYNN0010BBL, "WD My Passport (Ultra) Portable Storage, Blue". 1 TB = 931.48 ...
David Tonhofer's user avatar
6 votes
2 answers
7k views

How can I fix my UPS repeatedly disconnecting and reconnecting?

I'm running a nut server connected to a Tripp Lite SMART1500LCD by USB. The device is behaving unexpectedly and I can see these kernel messages: user@host:~ $ dmesg -T [Wed Dec 4 13:24:24 2019] usb ...
Layne's user avatar
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0 votes
1 answer
215 views

Disable usb mass storage on a per user basis

We are currently trying to implement a policy that dictates that some users may use usb mass storage devices and others may not. These users can use any device available in the company. Is there any ...
Mauricio Romanini's user avatar
1 vote
2 answers
3k views

How to find out which device corresponds for /sys/bus/usb/devices/deviceN

I have a device connected to my Debian linux box, lsusb says: Bus 002 Device 005: ID 0525:a4a7 Netchip Technology, Inc. Linux-USB Serial Gadget (CDC ACM mode) In /sys/bus/usb/devices/ I have ...
LoFi's user avatar
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1 vote
0 answers
608 views

If statements in udev rules

Is it possible to make statements in udev rules via if, else or case? I imagine something like: if [ $HOSTNAME == "host1" ] then ATTRS{idVendor}=="04a9", ATTRS{idProduct}=="", SUBSYSTEMS=="usb", ...
Nico's user avatar
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0 answers
220 views

usb stick "not authorized to perform"

Hello (sorry for my poor english). I have a fresh install of desktop clients linux mint 19.2 with a NIS authentication. Local users can plug usb-stick and it automount without problem. On the other ...
bxdfr's user avatar
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0 votes
1 answer
87 views

Network adapter for HP ScanJet 8300

I have an HP Scanjet 8300 flatbed scanner, which comes with a USB connection. Now I would like to put it on my network rather than attached to a computer through USB, so I'm trying to find a suitable ...
CesarGon's user avatar
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1 vote
3 answers
985 views

Is it possible to connect a laptop to a Linux desktop - to function as the desktop console? [closed]

I have some 30 Linux (RHEL/CentOS 7) desktops that operate as servers. Their only connections are power and NIC. Being desktops, most don't have serial ports. How can I go about using a Linux ...
boardrider's user avatar
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0 votes
0 answers
990 views

Mac OS X server - cannot add devices to MDM server

Mac OS X 10.14.4 - Server 5.8 I am trying to add devices to the server to manage them, the server is set up, the certificates as well, the Trust profile and the enrollment profiles are set, but when ...
Davide Biasco's user avatar
0 votes
1 answer
167 views

Dell PERC6i raid 0 single drive or USB 3.0 external, which will be faster for backups

I have an older Dell R710 for my personal home server with a pair of PERC6i raid cards in it. I have a drive array attached to one of them where the data lives on different RAIDs, the other PERC6 is ...
shorton's user avatar
  • 149
1 vote
1 answer
1k views

Dell poweredge R640 disable USB 3.0 possible?

Everything is in the title. I want to install an old ESXI (5.5 version) on a DELL PowerEdge, but just after finishing the boot of ESXI every USB devices (Mouse + keyboard) seems to turn off and I can'...
Couim's user avatar
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