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

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5
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1answer
255 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 ...
2
votes
1answer
141 views

GPS Device Attached to Linux Mint 15

I purchased a Silvercrest GPS device from Lidl recently, but the software that came with it is a tad "underpowered" to say the very least and has no Linux support. I'm attempting to get at the raw ...
0
votes
1answer
36 views

How to get back on track of your Linux PC fails and your USB drives with Linux O.S. are lost [closed]

Assumption is you take your netbook or nettop and fly to another country where you have no friends, etc. You can not create a bootable usb drive with a linux iso file unless you purchase a windows pc ...
1
vote
1answer
471 views

How do you use minicom with stdin and stdout?

I need to communicate with Python over a USB to RS-232 converter, to a device. The application minicom connects seamlessly, so if I could run that in non-interactive mode, everything would would be ...
3
votes
1answer
668 views

No room on ep ring?

I just switched to tty1, and I'm getting all kinds of output. It all looks like this: [timestamp] xhci_hcd 0000:00:14.0: ERROR no room on ep ring It's happening over 100 times per second, every 5 ...
2
votes
1answer
334 views

How to disable USB autosuspend in Manjaro Linux?

How can I disable USB autosuspend in Manjaro Linux?
4
votes
3answers
779 views

How do I share an internet connection through USB?

I have two Linux boxes. One is running KNOPPIX and the other Ubuntu. I have only one wifi dongle between them, and only one of them has an Ethernet port. They both have free USB ports however. I ...
0
votes
0answers
111 views

USB Modem connection problem

I am using Linux (CentOS 6.x) for the last three or four months. There are Dual OS in my PC (Windows 7 and centOS 6.x). I am using Airtel USB Dongle for Internet connection. Now the problem is that ...
0
votes
2answers
250 views

How do I send text to a USB device?

I'm trying to get the "Torobot" USB servo controller to work with Angstrom on a Beagle Board XM. The servo controller registers as a USB device. The device just takes simple text commands, but there ...
3
votes
5answers
9k views

Ubuntu 13.04 does not recognize USB drive

Using Ubuntu 13.04 (with Gnome 3), my new USB stick (details see dmesg/lsusb) doesn't show up automatically. Situation: The drive does not show up at fdisk -l The drive does appear when running ...
0
votes
0answers
54 views

How to change layout as soon as a USB keyboard is attached automatically

I have a USB keyboard set, I attach it to my computer to use it with another language layout. The USB keyboad will type (e.g.) Russain. While the other (main) keyboard set will type English. To set ...
3
votes
0answers
670 views

How do I reset a USB device using a script?

I have a USB GSM modem that does not always work property (Huawei E367u-2) Sometimes it gets reset (USB device disconnect/reconnect in logs) and when it comes back up, it has different ttyUSB numbers. ...
3
votes
0answers
1k views

Getting my Smart Card reader to work on Linux

I got a Smart Card reader, that I ripped from a Laptop the other day. It is an internal Smart Card reader, though it uses USB, so making a cable for it, was no problem. It seems it's recognized by ...
1
vote
1answer
335 views

A single key on keyboard produces extra keypresses for each simultaneously pressed key

I recently acquired MK-85 mechanical USB keyboard from QPAD. The keyboard works perfect on Windows. It works perfect in Syslinux. It works almost perfect on Linux. The only issue on Linux is that a ...
1
vote
1answer
110 views

Overcoming data word length limitation of usbmon

When capturing USB traffic with usbmon, I sometimes see the following: ffff8801ed3703c0 2599784347 S Bo:1:008:2 -115 74 = 24484880 087ffa7f dd7ffc08 d87fec7e d3000080 5e80a30c d1d43300 00803c9b The ...
2
votes
1answer
890 views

USB keyboard only works intermittently in GRUB 2 on reboots - how to make it work consistently?

Something weird is going on with my keyboard. The keyboard is a USB-connected Unicomp, which works absolutely flawlessly once the computer is up and running. However, GRUB 2 (specifically, ...
6
votes
2answers
1k views

Booting from install disk, no USB keyboard

I'm trying to install Arch Linux on a new system with a Gigabyte GA-Z87N-WIFI board. Although I can use the USB keyboard (and mouse) in the BIOS, the keyboard doesn't seem to work at all once I boot ...
1
vote
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 ...
3
votes
2answers
306 views

Mount a device as another user

Is there a command (on Debian Wheezy) that a testuser that belongs only to the group testuser can run (maybe he needs to be listed in sudoers first) in order to mount a USB stick as if he belonged to ...
2
votes
1answer
201 views

Resetting USB device without root permissions

I'm getting a strange behavior on an Android system when quickly plugging and unplugging usb devices from a usb hub. What happens is that after some quick plug/unplug of a device on the hub, I start ...
0
votes
1answer
316 views

Debian - Boot from USB

I currently have Debian 7.0 installed on my laptop (HP Pavilion dv9700). I would now like to install Arch instead. I wrote the Arch ISO to a USB drive, but when I start up my computer, it ...
3
votes
1answer
145 views

Is it possible to have two seperate one way (simplex) serial ports to make single tty device?

I am building embeded device, which has IR comunication with PC and it will have two IR Led/detector pairs which are one-way and are setup like this: IR source input commands -> near embeded device ...
0
votes
2answers
3k views

Automount not disabling in Ubuntu 12.04 or 13.04

I'm trying to disable the automounting of any usb device. I have this working in Ubuntu 10.04, but I'm trying to do the same in either 12.04 or (ideally) 13.04 but not having any luck. Everywhere I ...
3
votes
1answer
201 views

How do I access a flash drive that has been ejected without physically plugging it out and back in? [duplicate]

When I plug in my flash drive, it gets auto-mounted. If I right click on the drive and select 'eject', then it's unmounted. Now, I want to remount the drive in Terminal. How do I do this? I've ...
1
vote
0answers
103 views

No USB 04b4:0307 microphone input after Ubuntu 10.04

I was very happily using VOIP SIP with Ubuntu 10.04. Since I upgraded to 12.04, not only has Ekiga become very buggy and inconvenient, but, the subject matter of this question: the microphone of my ...
1
vote
2answers
109 views

no menu entry for /dev/ttyusb0 failing to upload

I'm using Ubuntu 13.04 Gnome edition. I have a problem with my Arduino Duemilanove Board. Previously I was using kernel 3.9.2-030902-generic. After I installed kernel 3.10rc6 and I start my arduino ...
2
votes
3answers
7k views

Run CentOS 6 from a USB flash drive

I have a 16 GB USB flash drive that I would like to install CentOS 6 on so that I can boot into it on other computers. The reason for this is because I am going to be upgrading to VPS hosting and I ...
1
vote
3answers
2k views

How can I match a ttyUSBX device to a usb serial device

option driver correctly matched USB ID and loads driver for this device. For example # lsusb Bus 001 Device 002: ID 19d2:0031 ONDA Communication S.p.A. ZTE MF636 Bus 001 Device 003: ID 12d1:14ac ...
6
votes
3answers
2k views

Get power consumption of a USB device

Is there a way to check how much power a USB device requires? Why do I need this? I need to connect an LTE USB stick to my Raspberry pi, and don't know how much power it needs. We got it quite ...
2
votes
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 ...
0
votes
0answers
229 views

how to configure USB networking on fedora

I have a Samsung smartphone, which can be connected to a free WIFI network, but my laptop can't connect to that WIFI network. So I want to use my smartphone as a router/forwarder. I want to connect ...
1
vote
1answer
2k views

How do I get my wireless USB mouse working

My wireless USB mouse is not plugging and playing. This is my first time using linux (Ubuntu 12.04) and I'm trying to get a development environment going to learn to use the shell, Python, and other ...
2
votes
1answer
332 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 ...
1
vote
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 ...
4
votes
4answers
2k views

When installing linux on USB Drive, which filesystem should I use to format for best performance?

I'm planning on installing Linux on a USB drive, and I was wondering which filesystem I should use to format the drive for best performance (overall responsiveness), and life of the drive?
2
votes
1answer
60 views

Assigning static device path

I have 4 flash cards plugged in, sequentially named by system: /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 I want to assign static pathes to them, so every time the system boots up their pathes will ...
1
vote
0answers
307 views

Anti-ghosting (NKRO over USB) keyboard

I've recently bought a new keyboard and was surprised to find that it didn't work in Linux. This keyboard does strange things to handle multiple key presses (ant-ghosting) over a USB interface. While ...
2
votes
0answers
43 views

Configuring Enlightened Sound Daemon

I have a single audio source specified in ALSA as plughw:1,0 (a USB microphone) and I'd like several other processes to be able to access the source simultaneously. For various reasons, each process ...
4
votes
1answer
317 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 ...
3
votes
1answer
146 views

Creating multiple devices from one device?

Specifically taking a USB device, which normally allows only one process to open it for reading, and clone/duplicate/replicate it so that multiple processes can open and read the input. Something ...
0
votes
1answer
2k views

cannot mount usb

I have a compiled arch kernel. As there are some files in the /root, the user has enabled usb mounting. as dmesg shows it identifies two usbs. one is plugged to keyboard. I tried these commands, but ...
1
vote
0answers
294 views

USB ports not working

Ok, got a Puppy Linux Wary 5.3. running on an old laptop with USB ports. Now, here's the strange part ... none of them work. When I stick in a USB-stick there's no reaction. Still, lsusb lists ...
2
votes
4answers
285 views

USB 500GB external drive mounted with undetermined permissions, missing data

Note: This situation is evolving. Please see the output at the end of this question for the current situation. I'm using Linux Mint 14. Recently, I repartitioned one of my hard drives, and I backed ...
1
vote
0answers
127 views

Why my linux does not detect USB storages at runtime? [closed]

I have an embedded system with Linux kernel v3.0.35 and Busybox v1.20.2. If I plug a USB flash drive in before starting the operating system the boot process mounts it to the proper place, with the ...
6
votes
1answer
14k views

Remove USB flash-drive write-protection

I have a sports-watch which has an integrated flash-memory. This flash-memory is used to store training information. When I connect the watch to my computer using the USB cable, it's detected as ...
1
vote
1answer
334 views

Udev rules involving X11 don't run on startup

I have some udev rules written to run when I connect certain usb devices. For example, I change pointer velocity for certain mice, and change xmodmaps for particular keyboards. The scripts work well ...
1
vote
3answers
1k views

udev rule not working

I have created a udev rules which is supposed to mount a USB device, backup some datas et cleanup everything. I am actually working on a Debian server. There is the information about my usb device ...
3
votes
1answer
5k views

USB to Serial in Chrubuntu - /dev/ttyUSB0 missing

The usbserial stuff has been working so well for me in Ubuntu for a number of years that I have almost forgotten how to troubleshoot it. I just installed Chrubuntu, however, and now my usbserial is ...
1
vote
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 ...
3
votes
3answers
421 views

How to check if the ISO was written to my USB stick without errors?

I followed these DebianEeePC HowTo InstallUsingStandardInstaller instructions at the Debian Wiki, to write a Debian ISO to my USB. dd if=debian-*-netinst.iso of=/dev/sdX Using sha1sum, I can check ...