Server Fault Stack Exchange
Server Fault Stack Exchange

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.

402 questions
2
votes
2 answers

Cyberpower UPS usage with a Linux arm based sytem

I have a UPS (Cyberpower CP900EPFCLCD) which I would like to connect to an arm based server via USB. Unfortunately, Cyberpower doesn't provide a daemon for arm based platforms at the moment. Is there any other method I could use to get my arm based…
tisch
  • 141
  • 1
  • 5
2
votes
0 answers

Force libvirt to pass always the same device number to the guest on USB device reconnection

I have a HP plotter connected with a USB cable to a debian server through a USB hub. On the server there is a virtualized Windows XP. Everytime I reboot the plotter a different device number is assigned by udev to the plotter which has the effect to…
stenio
  • 163
  • 1
  • 1
  • 6
2
votes
1 answer

Why can't a GPT partitioned disk on SATA be read on USB?

If I GPT partition a 4TB disk when it is connected to SATA, then it works fine. If I take the disk and put in the an USB3 enclosure, then I get [root@localhost liveuser]# sfdisk /dev/sdb sfdisk: Checking that no-one is using this disk right now…
Jasmine Lognnes
  • 2,520
  • 8
  • 33
  • 51
2
votes
1 answer

Mount a folder as a removable drive on Windows

I'm using some compression software that requires a USB dongle to operate. There's nothing special about the dongle, it's just a usb drive with files on it. We're attempting to move the operation into AWS, so I'd like to be able to virtualize the…
UltimateBrent
  • 469
  • 2
  • 7
  • 13
2
votes
2 answers

Can you prevent a remote desktop session from accessing usb ports?

The question could also be rephrased. I've got a software application that requires a USB dongle. It works correctly when running at the console of the remote machine, but when connecting via remote desktop it does not seem to work. I've seen this…
Nick R
  • 1,106
  • 3
  • 14
  • 19
2
votes
0 answers

FreeRDP USB Redirection Not Working on Hyper-V?

I have compiled FreeRDP from the tip of the Master branch on (and for), an ARM v7 processor, (see cmake command line below). It all seems to build correctly and the basic xfreerdp client works for a full remote desktop. I cannot however determine…
Rat
  • 29
  • 3
2
votes
1 answer

External drive switching from /dev/sda to /dev/sdb

We have a small box with external drives attached for backing up configuration sets. I found out the problem is simply that on reboot or whatever unknown event the drive switches from /dev/sda1 to /dev/sdb1. How can I circumvent this or configure…
Daniel W.
  • 1,609
  • 4
  • 26
  • 48
2
votes
2 answers

Keeping USB backup drive from sleeping while mounted?

Once every few days, seemingly at random, our backup to an external USB hard disk fails on our hp DL380 G5 server running CentOS 6.4 64-bit. If I cd /mnt/backup and run ls it complains ls: reading directory .: Input/output error, but mount -l…
Kev
  • 984
  • 4
  • 23
  • 46
2
votes
1 answer

ESXi 5.5 Configuration Not Saved After Reboot

I just installed a new copy of ESXi 5.5 onto a USB (32GB) stick and am trying to set up the configuration. However, when I reboot the server the cahnges I made to configuration like Ip's SSH settings ect. are blanked and revert to the install…
Nat45928
  • 121
  • 2
  • 4
  • 13
2
votes
0 answers

User's printer switches almost daily between USB002 and USB003

I have a user with a Dell Latitude D620 with a simple Dell dock in her office. She has a Brother MFC-7860DW printer connected to a USB 2.0 port on the dock. Often (possibly 3x a week) she will come to me and say she cannot print. This happens…
TheCleaner
  • 32,627
  • 26
  • 132
  • 191
2
votes
1 answer

How can I disable USB removable devices except mouse and keyboard

I am the owner of a small company (4 employees) and I have Win 7 Ultimate on my machine. My other PCs are connected via LAN and they too have Windows 7 on their machine. My question is, is there any way to prevent USB storage devices. Recently I…
Joel Wilson
  • 21
  • 1
  • 1
  • 2
2
votes
1 answer

hp DL380 G4 won't boot with disk plugged into front USB

We outgrew a few older external USB backup drives, and purchased WD My Passport 1 TB USB 3.0 drives to replace them. When they are plugged into the front of our G4, it will blink forever after the BIOS (which is current, BTW) and never boot, even…
Kev
  • 984
  • 4
  • 23
  • 46
2
votes
0 answers

What might cause DIR $file to report "File not found" when DIR $dir shows the same file just fine?

I can DIR a file and it doesn't exist, but DIRing its directory, or a file in the same directory as it, works fine. Is this a hardware or software problem? If it's hardware, is it the drive or something worse? 2013-06-13 9:35 C:\>dir …
Kev
  • 984
  • 4
  • 23
  • 46
2
votes
2 answers

Does disabling a USB port stop power from being provided on pins 1/4?

This is hopefully a simple question. When you disable a USB port at the BIOS level, or if it is disabled by group policy/at the OS level, does it still provide the +5VDC power on pin 1? I ask because of an amusing issue where a coworker tried…
Matthew
  • 2,737
  • 8
  • 35
  • 51
2
votes
1 answer

Configuring Backup Exec 2012 using USB hard drives as media

I have found some information on this but have not found the exact answers to these questions. Background I have installed backup exec 2012 (with agents for databases) I have configured a storage pool, with 2 USB drives (1TB) The backups are…
atom
  • 181
  • 5
  • 16
1 2 3
…
26 27