Universal Serial Bus, an industry standard for serial communication.

learn more… | top users | synonyms

13
votes
3answers
866 views

CentOS /dev/bus/usb structure

On my Ubuntu 12.04 when I plug in usb device, under dev directory tree usb device is added like this: /dev/bus/usb/001/001 On my CentOS 5 added like below: /dev/bus/usb/devices/2-1.4/ lsusb ...
6
votes
3answers
4k views

Kickstart installation from USB — Kickstart location

After managing to get a Fedora ISO to rebuild successfully (for a USB stick) after adding a kickstart file (http://serverfault.com/questions/548405/), I now have an issue with locating the kickstart ...
1
vote
3answers
537 views

Does anyone know where I could find a 2 input USB voltage meter?

What we really need is a tiny UPS, of sorts. We'll be hooking up a solar cell and a battery to a single board computer. Currently, that SBC is a custom Pic32 device, and it does it's own UPS and ...
1
vote
2answers
914 views

How to copy directories using debugfs?

The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I ...
1
vote
2answers
1k views

How to disable hiddev96 in linux (or tell it to ignore a specific device)

I'm having problems with a CentOS 5.0 system when using a certain USB device. The problem is that the device advertises itself as a HID device and linux is happy to try to provide support for it: In ...
0
votes
2answers
141 views

Accessing Server hosted on USB remotely

I'm running a program called VMlite VNC Server for android on a set of Phones connected via USB to a windows XP machine. Due to the way we're utilising the phones, we need them unrooted and with Wifi ...
0
votes
2answers
114 views

How to perform remote backups on a USB external drive?

I have a server hosting files (~300 Gb) and I need to perform a full backup every week on an exernal USB drive. People without good IT knowledge need to be able to do it too, so it has to be a very ...
2
votes
1answer
115 views

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: ...
2
votes
1answer
356 views

run ubuntu from virtual box in an external hard drive

I would like to run ubuntu on my external hard drive. I have got virtual box installed in the external hard drive and made a machine named ubuntu and installed the latest ubuntu version which i got ...
1
vote
1answer
40 views

USB Device With Embedded Fileserver

I'm attempting to access logs from a proprietary hardware box with no reasonable hope of modifying the software. There is a process on the device to dump log files to a flash drive on the USB port ...
1
vote
1answer
272 views

assign a USB to KVM virtual machine centos 5.8

can any one advice how to assign a USB to a guest based on KVM and host is centos 5.8 64-bit ? when i tried with gui using virt-manager -> add physical device-> usb i got all usb like null despite ...
1
vote
1answer
402 views

Automatically Start PPP USB Modem

I have a Verizon USB 3G modem that I want the connection to automatically start with on boot. In my Debian based system in /etc/network/interfaces I have the following: auto ppp0 iface ppp0 inet ppp ...
1
vote
1answer
473 views

Performance of external USB disk with ESXi5

I have a new HP DL120 G7 server with ESXi5. One VM is a Win2003 instalation and I have an external USB2.0 drive attached by USB Controller and USB Device. I copy a 4GB file from external USB to ...
1
vote
1answer
72 views

Card Reader and Software

I am looking for a card-reader solution that includes not only the physical card-reader but a method to read/program the cards. The end goal is have to give my end users a card-reader and then an ...
0
votes
1answer
438 views

Xen USB pass through

Running the Xen (Debian). I want to access the iKey USB dongle from Windows DomU. I have 2 PCI: lspci: 00:14.0 USB controller: Intel Corporation Lynx Point USB xHCI Host Controller (rev 04) 00:1a.0 ...
0
votes
1answer
2k views

Disable all USB devices but keyboard/mouse/flash-drive

For security reasons, I would like to make sure no USB device can be connected to my servers running RHEL3 except keyboards, mice and flash drives. To sum up : What should work : Mouse Keyboard USB ...
0
votes
1answer
202 views

Alternatives to rdiff-backup that work well with USB drives?

Here's the problem in a nutshell. We need to backup some SVN repositories, Samba shares, /home directories, postgresql nightly backups, etc. But the results are going to be written out to external ...
0
votes
1answer
200 views

Hyper-V - USB Disk mapped to VM

If I have a VM on a Hyper-V host with an IP 192.168.50.25 (VM IP), where the Host has an IP of 192.168.40.25. (The host itself has a virtual switch whose NIC patches into a procurve onto the VLAN ...
0
votes
1answer
655 views

Kickstart Installation from USB

My goal is to install Oracle Linux 6.3 from USB. My problem is when I copy DVD media to USB. The symlink file repodata is unable to create because the file system is FAT/FAT32. Below is the symlink ...
0
votes
1answer
64 views

USB access from switch

Currently, I have a network setup that kind of duct-taped together. I have A.) The wireless DSL modem with four ethernet ports and a USB 2.0 port B.) The wireless router with four ethernet ports and ...
0
votes
1answer
533 views

external drive and CentOS - Reset high speed USB device number

I have 2 external drives (3TB) and both will not work with my centOS Box. Tested them in windows ( different machine ) No problems ( 2.6.32-279.9.1.el6.i686 ) dmesg reports: usb 2-2: new high speed ...
0
votes
1answer
148 views

strange usb file system corruption

We have a few X7DBT Supermicro motherboards that is using a Kingston DataTraveler 102 USB Flash Drive as a boot drive. The customer had 10 systems and they say that the site had a power failure. Once ...
0
votes
1answer
1k views

How to limit usb 2.0 port to work as usb 1.1 in ubuntu?

Ive got problem with kvm usb forwarding and printing (windows xp guest goes BSOD when i try to print something). Ive been adviced to change usb to 1.1 version. That only kvm works with 1.1 not 2.0 ...
0
votes
1answer
67 views

Moving usb mounts ubuntu 10.10

I use a usb 1Tb hard driver for backups. I have three of them and I have one one site (two weeks old) for the next backup, one off site (one week old), and one in the system (current back drive). I ...
0
votes
1answer
688 views

How to permanently attach USB devices to a KVM vserver?

I run a Server using KVM and virt-manager (over SSH). Currently I have the following devices which I want/need in a KVm virtual machine: +----USB-HUB +- USB Smartcard Reader #1 +- USB ...
0
votes
1answer
595 views

USB stick unmounts itself, becomes unavailable ?!

On Centos 6, I am trying to copy some files from a Fat32 stick. I do a "fdisk -l" then take that name and mount it with this command: mount /dev/sdb1 /mnt/usb I see the files there (I didnt count ...
0
votes
1answer
115 views

Slow ftp speeds from special directories

Good day, I'm having a very strange Problem with FTP transfers. The ftp server is a Linux 2.6 32-bit box with vsftp installed. On this box, transmission-daemon (bittorrent) is also installed and the ...
0
votes
1answer
383 views

How to create a virtual ethernet card for SSH tunneling through USB device? [W7]

I have an SSH tunneling that is connected to an USB device that is connected to the Internet. How can I configure a virtual ethernet card that get everything to 127.0.0.1:1080?
0
votes
1answer
194 views

Windows. Setting user permissions on usb peripherals

At work, I finally got the right to have a Debian installed into a Virtualbox on a Windows XP host. The USB access does not work in my Debian because it requires authorization from the system admin ...
0
votes
1answer
130 views

limit usb stick usage for users

We need to disallow access to usb stick on win2k3, though allowing access for some specific user and admin team. Is it possible ?
0
votes
1answer
185 views

How well does Cocoa allow auditing of I/O to USB, FireWire and optical media on a Mac?

I have a client who wants us to lock down the Mac laptops we're using to access his data. He wants an audit of all files read and written from removable media (USB, FireWire, optical). I have a ...
0
votes
1answer
439 views

TCP/IP Printing Issue in Windows Server 2008

I am running Windows Server 2008 R2 Entrprise in a VM on my laptop. I am having problems setting up a printer. It's an HP PSC 1355 - drivers were installed automatically when I plugged the device into ...
0
votes
1answer
1k views

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 ...
2
votes
0answers
686 views

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 ...
2
votes
0answers
346 views

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 ...
2
votes
0answers
331 views

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 ...
1
vote
0answers
27 views

4TB USB3 disk compatilibity

We recently bought a USB3 Verbatim Store 'n' Save 4 TB hard disk for offline backups of our backups. It didn't work on the (Linux) server I wanted to use it on and also didn't get it to work on a ...
1
vote
0answers
19 views

USB having periodic connection issues over <15 foot cable run - EMI or?

I hope this is an appropriate topic for this stack exchange. I have a cable run just shy of 15 feet that connects a few monitors (3) and usb 3.0 devices (a USB 3.0 hub) to one of the servers on the ...
1
vote
0answers
345 views

KVM USB Passthrough and Zydas usb wireless adapter: device or resource busy

i'm tring to setup a kernel testing virtualmachine for a 80211 module. i start my machine with this command: kvm -m 512 -net nic -net vde -usb -usbdevice host:0ace:1215 ktesting.img i set up a ...
1
vote
0answers
1k views

usb_modeswitch not switching

After I upgraded from kernel 2.6.18 to 3.5.3 modeswitch started not to work for me. Although lsusb shows my usb modem, usb_modeswitch does not switch it. My system information is like below. I ran ...
1
vote
0answers
4k views

USB Redirection to thin clients

I'm experiencing a problem with a client situation. We switched a user of theirs to a thin client (specifically, with a WYSE C10LE). The thin client connects to a Windows Server 2008 R2 virtual ...
1
vote
0answers
117 views

How to pass two USB-devices to XEN domU guest?

how do i pass more then one USB device to Xen domU guest? Either usbdevice = 'host:1d6b:0002' OR usbdevice = 'host:04f3:0232' works fine, but with only one device at the time. Obvious thing: ...
1
vote
0answers
185 views

Udev rule doesn't create symlink

I have created a script which is supposed to run automatically when a specific USB-device is connected. I've based my udev rule on the this post: Linux (Ubuntu) run script upon USB mount My udev ...
0
votes
0answers
72 views

Booting XenServer Installer on USB

I'm trying to install XenServer on a system that has no CD-ROM drive (it only has a USB) I'm able to successfully boot the server using a bootable USB that boots up Linux (specifically, the GRML ...
0
votes
0answers
110 views

USB over IP supporting Linux

I am running several virtual servers with Linux and need to connect usb devices. I am using XenServer for virtualization, therefore there is no native usb-pass-through available. How can I connect ...
0
votes
0answers
63 views

Rotating external disks while keeping the same drive letter in Windows 2003

On a Windows 2003 R2 server, two external USB disks are being used for backup purposes, one at time. The units are identical (same manufacturer and model) and retain the same volume name (although I ...
0
votes
0answers
95 views

Why is there no (Debian) init.d script for usbipd? Should I write my own?

I just installed the usbip package on my Debian Wheezy (7.1) . For some reason, it comes without an init.d script. Why is there no init.d script for it? Should I roll out my own? Or am I doing ...
0
votes
0answers
80 views

Some laptops USB not working on docking station

This is an odd one. I have two laptops (on an estate of 250) which won't recognise the USB ports on the docking station. Have swapped out hardware, and tried the disks in a new chassis and it is down ...
0
votes
0answers
45 views

Where can I find USB flash chip P/E statistics?

We have begun using USB flash drives as backup of remote users' file. Yes, I'm aware of better options but it wasn't my decision. The task at hand is to find some way of comparing the useful life of ...