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

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3
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1answer
741 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 ...
3
votes
1answer
480 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 ...
2
votes
1answer
1k 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 ...
2
votes
3answers
10k 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 ...
6
votes
1answer
3k 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 ...
6
votes
3answers
1k views

Detection of USB Modem is unstable - how can I correct this? [closed]

I am using Huawei 3G USB Modem in Ubuntu 12.04 LTS on DELL Inspiron NS5520. I tried every possible solution but had no luck. Whenever my USB Modem disconnects, I can not re-connect it and then I have ...
1
vote
1answer
725 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 ...
1
vote
1answer
2k 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]# ...
2
votes
2answers
1k 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 ...
0
votes
1answer
2k 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 ...
2
votes
1answer
993 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 ...
-1
votes
2answers
8k 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 ...
1
vote
0answers
1k 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? ...
6
votes
1answer
8k 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 ...
2
votes
2answers
322 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 ...
4
votes
1answer
949 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 ...
3
votes
2answers
10k 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 ...
2
votes
2answers
1k views

BackTrack USB Wireless adapter drivers issue

I purchased USB Wireless adapter which runs smoothly on Windows and Ubuntu, but in BackTrack it's showing me a Bad password issue. From my reading I guess it's driver issue which BackTrack Kernel ...
0
votes
1answer
248 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.
4
votes
2answers
7k 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 ...
3
votes
0answers
161 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 ...
4
votes
2answers
6k 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 ...
1
vote
1answer
2k 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. ...
0
votes
1answer
801 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 ...
3
votes
4answers
6k 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 ...
4
votes
0answers
3k 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 ...
4
votes
1answer
402 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 ...
1
vote
2answers
432 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 ...
1
vote
1answer
5k 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 ...
1
vote
0answers
236 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) $ ...
3
votes
2answers
585 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 ...
2
votes
0answers
276 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 ...
0
votes
0answers
343 views

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

How do you access the internet in RHEL 5 using Android smartphone USB LAN?
4
votes
2answers
5k 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, ...
5
votes
2answers
2k 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 ...
1
vote
0answers
876 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 ...
1
vote
1answer
459 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 ...
4
votes
3answers
14k views

GSM modem does not create /dev/ttyUSB file

I installed Kannel in a server, and I want to use a GSM 3G USB modem to send/receive SMS messages, as described in section SMS Centers > GSM Modem of the Kannel User Guide. I have already installed, ...
2
votes
1answer
2k views

Getting webcam to work in Raspberry Pi

I am trying to get a HAMA webcam to work with my raspberry pi with the raspbian os. When I type usb-devices I get: pi@raspberrypi ~ $ usb-devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 ...
0
votes
1answer
187 views

Using USB hub for keyboard and mouse in multiseat

I want to configure a 2 user multi-seat in Linux. Is it possible to configure keyboard and mouse for second seat with a USB hub on a single USB port or I need to connect each of them to a separate USB ...
2
votes
1answer
201 views

Virtual terminal switched when USB mouse plugged in Linux

Our machine runs a modified RedHat 9 (Kernel Linux 2.6.20-1.21, GNOME 2.10.0). When USB mouse is plugged in, the X Window will always switch out, we have to switch back by Alt + F7. There is no such ...
8
votes
2answers
3k views

Auto-run script when Wifi card is plugged in (udev)

I've been trying to use udev to make a Debian system run a bash script when a wireless card is connected. So far I created this file /etc/udev/rules.d/wifi-detect.rules: ACTION=="add", ...
9
votes
1answer
925 views

USB audio only outputs white noise

I am running OpenBSD/i386 5.1 on a 5 year old laptop. The speakers and headphone port work, but the headphone port is a little loose so I am trying to install an external USB sound card (Fiio E17 USB ...
3
votes
2answers
2k views

Debian USB automount

Got my USB flash automount broken after reboot. Using Debian 6, GNOME 2 My NTFS hard disk is still mounting correctly. When i connect my Android smartphone (with SD and local drive) my messages log ...
10
votes
1answer
11k views

Understand output of `udevadm info -a -n /dev/sdb`

I plug an external HDD into my laptop. I try to find out the information by $ udevadm info -a -n /dev/sdb Udevadm info starts with the device specified by the devpath and then walks up the chain of ...
2
votes
1answer
2k views

Does my Ubuntu have module for USB 2.0?

I copy some files between my external HDD and Lenovo T400 laptop. The external HDD is 7 years old and has "USB 2.0" on its enclosure, and the laptop is 3 years old. The copying speed is mostly ...
10
votes
1answer
7k views

Creating a bootable Linux installation USB without unetbootin

I want to install Scientific Linux from USB. I don't know why unetbootin doesn't work but I am not curious to find out: after all, I transferred to Linux from Windows to see and learn the underlying ...
-1
votes
1answer
4k views

Huawei E353 Driver for Linux

Does the Linux kernel that comes with Ubuntu 12.04 support the Huawei E353 modem? I'm using it on Windows currently but want to know if it works on Ubuntu.
2
votes
0answers
849 views

Finding/Mounting USB Device in Mac OS X 10.8

I've looked all over and found similar questions and answers and none seem to work for me or match what I see. I should add I'm new to UNIX and the OS X command line but have got a basic overview to ...
7
votes
2answers
4k views

How can I hide messages of udev?

When I plug in a usbhub (7 sticks in) udev displays a lot of messages in console. Can I hide these messages or send them to /dev/null?