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

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ELAN Touchscreen on Ubuntu 14.04 and Debian 7.6

I recently purchased an ASUS Q550LF laptop with Windows 8.1 preinstalled, and subsequently installed Ubuntu 14.04 and Debian 7.6. I use Ubuntu for most tasks, but occasionally have reason to boot ...
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2answers
319 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
388 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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4answers
21k views

How to create a bootable USB stick with Debian Squeeze

Using Ubuntu, I want to install Debian Squeeze on my PC with a bootable USB stick. I found this tutorial: Plug the usb key in order to find the device location: $ df -k /dev/sdb ...
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1answer
83 views

usbip: problem getting device attributes: No such file or directory

I try to use an ftdi rs232/usb adapter over ethernet. It's connected to my raspberry pi. pi@raspberrypi ~ $ usbip list -l Local USB devices ================= - busid 1-1 (0424:9512) 1-1:1.0 ...
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1answer
333 views

Grub and usb serial support

How to access the grub menu using a usb serial converter? I know it's possible to have grub menu in serial console, putting these lines in grub.conf: serial --unit=0 --speed=9600 --word=8 ...
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0answers
8 views

Getting output from vivopay-serial converter

First off, I am new to linux so please excuse my ignorance. I'm trying to read output from idtech's ViVOpay Vend III in linux. The device claims it interfaces with USB and RS-232. I currently have ...
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1answer
512 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 ...
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1answer
882 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 ...
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1answer
103 views

Ubuntu 14.04 LTS - USB 3.0 Low Output or not working

I have a problem with my laptop. Since I've installed Ubuntu 14.04 LTS in dual boot, my two USB 3.0 don't work anymore. Maybe you need to know: My Laptop has 2*USB 2.0 and 2*USB 3.0. One of the USB ...
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1answer
800 views

Mimo 2G USB Monitor and cheap computer (Raspberry Pi?)

I have a Mimo 2G USB Monitor (UM-710S I believe) which I got in college due to the lack of space for a real second monitor in the dorm. Now I don't really have a use for it, so I thought of ...
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2answers
1k views

Unable to connect INTEX 3.5G (aka 普创E003) Wireless USB modem in Ubuntu 12.04 LTS

Can anyone help me out on connecting INTEX 3.5G 7.2 Mbps (aka 普创E003) Wireless USB modem in Ubuntu? Initially it is recognized as a storage device and the modprobe cmd does not create any impact on ...
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1answer
923 views

Mount exFAT file system as user without hardcoding

I've "solved" the following problem, but not in a desirable way. First, mounting exFAT file systems in Linux was truly as simple as this site says. The catch is, "as long as you are root." A user ...
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0answers
22 views

Wireless 3g dongle not mode-switching successfully

Lots of wireless 3G dongles have 2 modes they can operate in; storage mode where they mount like a USB thumb drive and which usually contains Windows drivers for the device, and communication mode. ...
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1answer
365 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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1answer
697 views

Cannot access HDD files through Linux Mint Live USB

I have valuable info on my Ubuntu partition, but it crashed, and I tried to get to it through Live USB with Mint 14, but it says it's read only. Can I make it writable too? So I can put it on my ...
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1answer
208 views

Some keys on keyboard map to numbers instead

I'm running Leenux 5.1 from a USB stick using unetbootin. It works ok, except my keyboard is messed up -- pressing k results in a 2 instead (the 2 key also types a 2). How could this happen?
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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
731 views

USB keyboard doesn't work with Debian installer

I have a wired USB keyboard. I've written the latest netinstall Wheezy image on my USB pendrive (using dd). It boots but the installer doesn't recognize the keyboard! (The same pendrive works on my ...
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1answer
29 views

Pernicious USB-stick stall problem. Reverting workaround fix?

There's an issue with Ubuntu that hasn't been fixed yet, where the PC freezes or gets really slow whenever it is copying to an USB stick (see Why is my PC freezing while I'm copying a file to a ...
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1answer
427 views

Incorrect step with grub while installing onto a USB stick?

I tried installing debian on a USB stick. I believed I made a mistake with the grub boot up part. I want to leave my harddrives alone and with my bios choose to boot up from a stick. Do I need grub if ...
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1answer
26 views

Control USB connection/power - only charge

When I charge my GoPro with a wall-charger I'm able to still use it and take photos, but when I connect it to my Linux computer I can't. I want to be able to programmatically control how my computer ...
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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. ...
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1answer
183 views

Cut down the installed space?

My system: Debian 6.04, sda is working disk, sdb is my USB disk. I installed Debian onto the USB drive this way, to edit grub file on sda, nano /boot/grub/grub.cfg to add the new lines menuentry ...
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2answers
589 views

How to create a bootable Linux installation USB from an ISO in OS X?

I downloaded the ISO for Debian's net installation to a computer running OS X. I want to put the data from the ISO onto a USB, so that I can install Debian on another laptop (not an Apple laptop). ...
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1answer
256 views

UEFI boot Fedora from USB 2.0 on 3.0 port (l75d-a7280)

I'm trying to make a bootable usb in ubuntu for fedora, but my settings are not working. I formatted the USB with FAT & Ext4, MBR, and Legacy BIOS bootable. My BIOS allows the USB 3.0 controller ...
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1answer
17 views

Measuring transfer speed of USB drive

I want to write a program to find out the average data transfer speed of my USB port. How do I go about implementing it? The only method I can think of is writing a large file to the path where the ...
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1answer
418 views

Map physical USB device path to the Bus/Device number returned by lsusb

I need to get the title of the attached USB device. I can do that with lsusb. udev allows some substitutions when I write rules: say, we can use $kernel to get name of the device, or $devpath to get ...
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1answer
32 views

Format USB drive

I have a USB drive which I format with sudo mkfs.vfat -I /dev/sdb1 When I then look at the size of the USB drive with df -h, it reports its size to be 64 MB, though it should be 8 GB. What am I ...
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2answers
8k views

What happens when a USB drive is plugged in?

What is the flow of USB events from kernel space to user space? I get a popup on my desktop when I plug in a USB drive -- what is the sequence of events that leads from detecting the new USB drive to ...
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1answer
3k views

Understanding udev rules and permissions in libusb

I had a problem with my scanner. Xsane worked only as root. Using it as normal user it didn't find any devices. Adding the user to the groups saned or scanner didn't help. Finally I solved the ...
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1answer
29 views

How to give more power to a USB device (error -110)?

I’m trying to mount an external hard drive (2.5", USB, no separate power supply) on Debian 7, but it gives me (in dmesg as well as when trying to boot with the device connected) errors like: ...
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0answers
16 views

Not receiving any data from ACM device

I am unable to receive any data from a CDC-ACM device on my embedded Linux device. My Linux embedded device is running kernel 2.6.16.11 and has a armv5tejl processor. When plugged in, I see the ...
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1answer
28 views

How to use a USB device instead of a hard drive

Recently I setup a webcam that uses ftp, which uploads the current frame every 0.33 seconds. This creates thousands of images on my hard drives. I have a daily cron job deleting anything past 10 days ...
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1answer
73 views

How to detect a working ttyUSB for my usb modem

I working with OpenWRT and need setup USB 3G Modem. When i connect USB modem i see in logs that system create four ttyUSB. Why four? Tue Jul 29 07:45:23 2014 kern.info kernel: [ 580.220000] ...
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2answers
3k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...
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1answer
36 views

How can I administer a server if USB disabled?

I'm looking to disable USB via the kernel for a high-performance server. How can I effectively administer the server, if problems occurs if USB isn't enabled? Without USB, keyboards and mice ...
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0answers
19 views

Linux kernel module to read out GPS device via USB [migrated]

I'm writing a Linux kernel module to read out a GPS device (a u-blox NEO-7) via USB by using the book Linux Device Drivers. I already can probe and read out data from the device successfully. But, ...
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0answers
88 views

USB error -110 (power exceeded) but works when reconnecting

At the last boot, two USB devices were not powered: The Logitech G5 mouse works most of the time, but this time I had to plug it in (in the same motherboard USB port) three or four times before it ...
4
votes
1answer
318 views

How can I prevent drivers from binding USB devices on a certain bus?

I have a setup with two Logitech Unifying receivers, each receiver has a keyboard bound to it. One of the receiver is to be used by the physical machine to which the devices are connected, the other ...
2
votes
1answer
993 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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3answers
552 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 ...
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0answers
43 views

HSPA+ USB Modem Alcatel X600 1bbb:0195

The Modem Does anyone have this modem in Linux? I do not get to configure the device. I have tried other tutorials similar devices without success. I can't get the device /dev/ttyUSB0 My System: ...
4
votes
2answers
144 views

USB set to /dev/sda instead of /dev/sdb

I've been trying to use a kickstart file to guide the Red Hat installer (RHEL6.5) without user intervention. It correctly looks for the kickstart file in /dev/sdb/fs.cfg, but because the USB is ...
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1answer
82 views

Bought Wireless Adapter, Can't Use It

I bought a cheap Aztech WL572USB Wireless-N USB Adapter. It clearly says it supports linux on the documentation but strangely doesn't even provide any way to set it up. I assumed it's plug-n-play but ...
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3answers
3k views

How can I format a thumb drive so that I delete all existing files?

I have a usb thumb drive that I want to reuse. How can I format it?
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1answer
2k views

Unable to receive data from /dev/ttyACM0 device [closed]

Using USB based CAN device connected on AR9350 mips processor based Atheros reference board with linux kernel 2.6.32.61. Which is coming up as /dev/ttyACM0 device. In which Able to transmit data from ...
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2answers
435 views

How do I dual-boot Kali Linux With ISO (no CD/USB/DVD)

I am trying to install Kali Linux 1.0.7 to my Windows 8.1 32-bit PC. I have the ISO, but I have no CD's, USB Sticks, or DVD in my home so I was wondering how can I install Kali Linux without ...
8
votes
4answers
798 views

Why does “cat ttyUSB0” not produce output?

I connected an infrared receiver to a USB port ... (the last line of dmesg tells device file) $ dmesg [10496.596063] usb 7-2: new full-speed USB device number 2 using uhci_hcd [10496.751112] usb 7-2: ...
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1answer
664 views

Installing Packages Offline On Linux Mint

Is it possible to create a linux software package on windows ,store it on a USB stick and then install it on a linux system which is not connected to the internet ? For example I would like to ...