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

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400 views

Change value of USB “max_sectors” for an entire family of devices

I've been using Linux for a while, but only since I started using "recent" distros (ie.: anything non-Debian) I have started having I/O problems with most of my USB devices. Basically when trying to ...
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0answers
79 views

Using USB 3 controller with Linux 2.6.x

I have a laptop that has an USB controller and an SD card which I believe connected to USB3. I need to do some development on a Linux version 2.6 which doesn't support USB3. Can I use USB 3 ...
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1answer
2k views

How to get UUID for a USB drive?

I want to mount my USB to a mount point which holds the UUID name. But I don't know how to express this in a command line! Can someone help me how to do it? I have searched and found that I have to ...
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1answer
261 views

USB key not responding when inserted

I just attempted to create a USB key for Chrome OS. I followed the instructions found here. This is what I did: 1- Downloaded a .zip version of the build. 2- Extracted the .zip file which gave me a ...
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0answers
76 views

Flash disk USB Fedora installation reset counting

I have created a flash disk with pen drive Linux universal USB installer to install Fedora 18 on my system but after booting, a counter starts and then reset and never installation begin. My system is ...
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1answer
2k views

How to bind USB device under a static name?

I have an arduino which sometimes gets bound to /dev/ttyUSB0 and other times to /dev/ttyUSB1 making my script fail. I do not want to enumerate all the possibilities of where my device could be, but I ...
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1answer
196 views

What is the udev rule to allow specific thumb drive vendors?

How can I write a udev rule that whitelists specific vendors and doesn't allow other USB drives? Do I put it in /etc/udev/rules.d, or /lib/udev/rules.d? What command do I run to test if the rule is ...
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1answer
1k views

Impossible to mount USB stick

I've just installed Debian Sid on my computer but I cannot mount external USB drives as you can see in the image. Mounting failed Cannot mount "SENZATITOLO" Not authorized What should I ...
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1answer
614 views

How to use one distro's live CD to install another distro?

I'm trying to install Mint Linux to a USB stick, but the Mint live CD doesn't fit on a normal CD and I don't have any DVDs available. The Ubuntu live CD does fit on a CD, so I want to use the Ubuntu ...
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1answer
2k views

Endless data loop from dev/ttyUSB while sending AT commands

I have problem sending AT commands to my USB modem. At first I tried php-serial class, but when i was reading data, I got endless loop with strange data. Then I tried to debug problem and opened putty ...
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1answer
2k views

Mounting USB drive on 3G dongle

I've got an Huawei HiLink E303 USB G3-internet dongle that I'd like to use to connect to the internet. I'm using Arch Linux. According to this page, the Linux drivers are actually on the device and ...
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1answer
292 views

(Solved) Linux cdc_acm device - unexpected characters sent to USB device

I'm having trouble with unexpected characters being sent on a USB port with the cdc_acm driver. What makes this all the more perplexing is that the code runs fine on Ubuntu 12.04 (3.2 kernel) but ...
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1answer
41 views

USB_HID is not working

How do I get a usb keyboard to work? I have already selected and compiled the USB HID transport layer and I don't know what else to do.
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1answer
1k views

how to disable USB devices based on vendor id in Linux environment?

I want to disable usb devices based on vendor id in Linux environment. I want to allow only specific USB devices, based on vendor id.
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1answer
429 views

Getting keyboard to work in debian 6.0 in order to unlock root partition

I just installed Debian 6.0, encrypted / and now I'm trying to boot. When GRUB comes up, I select Debian, it loads the initrd and asks for the root password, however I can't enter anything, because ...
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1answer
205 views

Removing device from USB hub triggers udev event for removing hub

I have a udev rule to halt the system when a usb hub is removed: SUBSYSTEM=="usb", ACTION=="remove", ENV{ID_VENDOR_ID}="050d", ENV{ID_MODEL_ID}="0237", RUN+="/sbin/halt" Unfortunately, this also ...
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1answer
266 views

Why do I not seem to have hidraw options on my system, and how can I fix my usb devices?

Starting today, I noticed a few problems with my system. USB devices, including the internal ones such as microphones, don't seem to be working at all. I first noticed when my keyboard and mouse ...
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2answers
3k views

How to install a printer that is connected via an USB-to-Parallel-Port adapter?

I'm running Sabayon Linux (x86_64). $ uname -a Linux qdoe 3.7.0-sabayon #1 SMP Thu Dec 20 07:12:55 UTC 2012 x86_64 Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz GenuineIntel GNU/Linux I have a HP ...
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1answer
1k views

Query USB current

How can I obtain information about the amount of current negotiated by a device attached to a USB port? I am looking for information similar to this presented by OS X in terms of current available ...
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1answer
392 views

Compile Linux Kernel w/ Dynamically (Un)loadable usbserial Module

I've attempted to install drivers for an FPGA device, but require that I remove the usbserial module. This happens to be impossible because usbserial is a built-in module. It was suggested that I ...
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1answer
549 views

Removing builtin modules in Linux

I'm currently attempting to remove the usbserial module in order to install a new driver module. When I attempt to remove the module I get the following issue: [root@localhost xr21v141x-lnx-3.0-pak]# ...
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2answers
725 views

USB Driver Compilation Error

I'm currently trying to compile a Linux USB UART driver, which is provided here: http://www.exar.com/connectivity/uart-and-bridging-solutions/usb-uarts/xr21v1410 The driver consists of 2 header files ...
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1answer
509 views

How to find the device is connected to which usb hub in linux OS? [duplicate]

Possible Duplicate: How can I uniquely identify which device is on USB `hub 6-0:1.0: port 2`? I connected three USB hub in a system and I connected different devices in each hub. How I can ...
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1answer
375 views

Installing Debian on USB

From my Ubuntu, I want to create a bootable Debian USB. I tried to install Debian with debootstrap. A brief list of commands is mount /dev/sdb1 /mnt debootstrap sid /mnt http://ftp.debian.org/debian ...
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2answers
2k views

Find the Information of USB Devices In C++ [closed]

I need to list existing USB hub and the devices connected in the hub using my C++ program. I can able to print the USB Hub and devices connected in hub from terminal using the commands lsusb lsusb ...
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625 views

Install Arch(Bang) - Create Usb - Uefi

I am pretty new to Linux and want to install ArchBang-Linux, but I fail at creating a bootable USB-Stick. Can someone explain this procedure to me in a little more detail? ...
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1answer
3k views

Two usb wifi adapaters, only wlan0 appears, how to get wlan1?

I'm attempting to connect two wifi usb dongles to a debian system, one is to connect to a local lan, the other I plan to use in adhoc mode to connect to a specific device. You could look at this as an ...
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2answers
189 views

full-featured WLAN USB adaptor

I am searching for a WLAN USB adaptor that can be used as an Access Point as well as a mere client and in an AdHoc setup. It should support IEEE 802.11n and transmit rather fast (300Mbps). As I ...
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1answer
404 views

What kind of bad things can happen if I disable APIC (not to be confused with ACPI)?

I'm dealing with some really old point-of-sale machines that run a point-of-sale flavour of SuSE 9. It turns out that its kernel is affected by an old bug that makes USB 2.0 functionality unstable ...
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1answer
4k views

Booting Ubuntu from usb on a Mac

I have a Macbook pro (late 2009) running OSX 10.6.8. I want to partition a flash drive and install my Ubuntu iso image onto it. Then I want to boot up from it by (restarting my computer and) holding ...
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1answer
924 views

BackTrack USB Wireless adapter drivers issue

I purchased USB Wireless adapter which runs smoothly on Windows and Ubuntu, but in BackTrack it showing me Bad password issue. From my reading I guess it's driver issue which BackTrack Kernel don't ...
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1answer
164 views

GET flash memory type: SLC or MLC

Just for my knowledge, I would like to know whether the type of flash memory used in my pendrive is SLC or MLC. Is there a way to find it out? I googled but found nothing.
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2answers
3k views

Cannot change baud rate on usb serial device

I recently upgraded to ubuntu 12.04 from 10.04. Under 10.04 I had no trouble using usbserial driver to connect to a device through the serial port. After the upgrade usually I cannot reset the baud ...
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0answers
142 views

Netbook w/ Fedora 17 and USB Numpad at Boot Disables Internal Keyboard

I have a netbook with F17 installed. No X, just text console. The system boots fine and the internal keyboard works. I can plugin a USB numpad after boot and it functions reliably. However, if the ...
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2answers
2k views

Prevent usbhid from claiming USB device

Directly related: Prevent claiming of novelty usb device by usbhid so I can control it with libusb? I want to access an RFID reader (works as HID device) from a program that uses libusb-0.1. In the ...
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1answer
1k views

How can I create a Windows XP installation USB drive? [closed]

There are two partitions on my hard disk, one is Linux Mint and one is newly formatted. (a simplification) I have Windows XP installation disks and iso files, however my optical drive isn't working. ...
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1answer
455 views

right way to mount sdcard in linux

i have a problem with mounting my camcoder with sdcard as volume. It seems it is sdcard problem, can it be repaired? I have reformated sdcard in windows system but this did'nt solve problem all ...
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3answers
4k views

Auto mount USB devices on debian?

This isn't a big deal i was just curious so if anyone happens to know why then great. I'm not sure if usbmount is the tool as which usbmount doesn't show anything but on my debian system (no ...
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0answers
1k views

How do I find out the device node corresponding to my device in SuSE 8?

I'm forced to work with a bunch of point-of-sale systems running SuSE 8. They are my client's computers. We are stuck dealing with these old systems until they get to upgrade their whole fleet to SLE ...
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0answers
219 views

PS/2 to USB port for keyboard gives “unable to enumerate USB device on port 5”

I got my hands on a Logitech Ultra X (Y-SX49) keyboard, with US key marks. The US key placement is much better than my Swedish native, at least for programmers, because there are much fewer shortcuts ...
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1answer
275 views

Can't set a blacklist for usb autosuspending

I'm trying to disable usb autosuspend for my wireless USB mouse: CONTROL_USB_AUTOSUSPEND="auto" AUTOSUSPEND_USE_WHITELIST=0 AUTOSUSPEND_USBID_BLACKIST="046d:c52f" I already put these values to ...
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1answer
3k views

Keyboard/mouse do not work when connected to USB hub, but only on Fedora - works on other distros

For the record, the same problem happens in openSUSE, too, and the solution is the same. It is fixed in both Fedora 18 (as far as I could tell: I just booted a live CD) and openSUSE 12.3. I installed ...
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0answers
181 views

Wireless Ad Hoc NAT

I got "OURLiNK 802.11n" mini USB wifi adapter for my Raspberry Pi, but I also would like to use it w/ my Scientific Linux 6.1 $ cat /etc/redhat-release Scientific Linux release 6.1 (Carbon) $ ...
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1answer
337 views

Mounting USB camera on Ubuntu

I am quite new at Linux and I have to install this SwissRanger camera on Ubuntu. I am trying to follow their USB mounting instructions and I got stuck. From the instructions: Modify the usbdevfs ...
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0answers
191 views

Making USB drives readonly on an specific USB port or for an user account

I have a Multiseat machine and the second seat has USB access from a signle port by HUB (a Keyboard and a mouse are connected to it). I need make all storages drives that is connected to to this HUB ...
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298 views

How do you access internet in RHEL 5 using Android smartphone USB LAN?

How do you access the internet in RHEL 5 using Android smartphone USB LAN?
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1answer
1k views

Restart USB mouse driver?

Sometimes, after some event that I can't determine, my USB mouse gets stuttery - like the refresh rate drops down to about 5-10Hz. It still works fine other than that, but it's incredibly annoying, ...
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2answers
778 views

Does the filesystem influence flash drive speed?

I'm currently filling up an empty 16GB flash drive which gives me a lot of time for imponderables. It's formatted as fat32 or whatever it came with (and I'll probably leave it that way for ease of ...
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0answers
307 views

w_scan: no data from PAT

I'm using w_scan to get channel list for my DVB-T stick. But despite channels being found, channels.conf file is empty. I suspect Info: no data from PAT has something to do with this. I know the ...
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1answer
240 views

nginx + php5-fpm + htdocs on USB

None of the configurations that I've looked up can help with setting up Nginx to serve PHP files on a mounted USB folder. I'm currently getting file not found when I try and access a PHP file on the ...