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

learn more… | top users | synonyms

1
vote
0answers
39 views

Completely disable / deactivate USB in Ubuntu 10.04

I have some Ubuntu 10.04 based portable touchscreen computers at workplace and sometimes people would use USB data cable to charge their phones from the USB port. Now I have usb storage access ...
1
vote
0answers
16 views

Frugal installation on WIN 7 no admin rights

Laptop from my work has WIN 7 Enterprise, but I have no admin rights on it and under no circumstances I would change partitions. However it does boot from USB. As I want to use Linux on a regular ...
1
vote
0answers
87 views

Why are USB partitions & disk capacity not coherent between fdisk, parted, dmesg & /dev/sdXy

Disclaimer: I initially posted this on SF : http://serverfault.com/q/645670, but I think it better fits here First, a word of context: I'm trying to burn an ISO on a 16 Gb USB key, but I'm having ...
1
vote
0answers
56 views

Inaccessible USB Mass Storage Device (Bricked Garmin device)

I've got a running GPS watch (Garmin Forerunner 210, fwiw) which recently got bricked during a firmware update. Let's assume for point of discussion that an rma is not possible, so I'd really like to ...
1
vote
0answers
60 views

What happens after dialing USB 3G modem

I have a hard time understanding how a 3G USB modem communicates with OS. As far as I understand, pretty much all USB modems work in a similar fashion - they expose USB CDC device and to connect, ...
1
vote
0answers
77 views

Configuring Epson Stylus NX420 Scanner on Debian Wheezy

I'm trying to get my Epson Stylus NX420 printer/scanner combo to work with sane on Debian Wheezy (via USB). I've got cups and saned running, and I've added the printer in the cups configuration page. ...
1
vote
0answers
37 views

How can I find out if a problem with the USB ports in my laptop is due to hardware or software?

A few days ago, the USB ports in my laptop stop working. At first, I thought it might be due to a recent update of my OS (Ubuntu 14.04), so I began testing if something came up when connecting a ...
1
vote
0answers
39 views

Dedicate USB hardware to LXC container

Reading the LXC documentation, it seems possible to dedicate the physical network port eth2 to an LXC container with config something like: lxc.network.type = phys lxc.network.link = eth2 I'm ...
1
vote
0answers
34 views

What accommodations must be made to boot an external HDD on multiple computers?

Is there a way to create a bootable external hard drive (like a persistent USB) that can be booted to multiple computers? I have built plenty of live USBs where this wasn't a problem, but when I ...
1
vote
0answers
28 views

How do you determine the capabilities of a WebCam?

I have a collection of WebCam's lying around. Some of them are new, some go back a decade (gotta love not having to "upgrade" devices in Linux :). Somehow I've developed the impression that ...
1
vote
0answers
136 views

Gobi 2000 not detected on Lenovo X201

I recently bought a used Lenovo X201 wich includes a Gobi 2000 3G modem, but I can't get it working for the simple reason: the USB device does not appear to show up in the kernel. uname -r output: ...
1
vote
0answers
74 views

Failing to load a module on udev event

I have a pretty simple udev rule which is executed when a USB is plugged into my Debian machine: SUBSYSTEMS=="usb", KERNEL=="sd?", ACTION=="add", RUN+="/usr/local/bin/USB/t.sh \ %k" My t.sh is also ...
1
vote
0answers
354 views

Udev rule not working on Debian

I can detect and mount my USB drive on my Debian VM machine. And the first post here - explained below - works on my Ubuntu machine. Should not it work on Debian too? It doesn't of course. Why is ...
1
vote
0answers
232 views

USB fails to be mounted or detected on Debian machine

My lsusb command says this: Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 005: ID 0951:1642 Kingston Technology DT101 G2 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 ...
1
vote
0answers
397 views

Sending SMS trough a modem attached to another server using ser2net and socat

I don't know exactly how to troubleshoot the issue I'm having, so I'll ask here. I have a USB 3G modem attached to a physical machine (server4) (running ProxMox (Debian Wheezy)), and I can send SMS ...
1
vote
0answers
855 views

USB Ports not working with Ubuntu Linux 14

Sorry if this seems like a duplicate post but I am Ubuntu Linux noob and am struggling with it a bit. I installed and configured Ubuntu Linux 14 for dual boot setup on my Windows 8.1 machine. ...
1
vote
0answers
138 views

Emulating scroll lock behaviour to trigger USB KVM switch

At work, I use two computers: one Windows machine for intranet and mail, one Ubuntu machine on a separate network for development. In order to easily switch between the two I use a simple USB KVM ...
1
vote
0answers
47 views

How to turn off a USB drive when samba is not using it [Raspberry PI]

I have a backup server on a Raspberry Pi using samba with 2x 2TB drives for storage. To reduce noise and drive degradation I'd like to turn them off when I'm not transferring files. I tried to ...
1
vote
0answers
31 views

Rfkill refuses to unblock the WiFi device

Running rfkill list indicates the USB WiFi adapter is softblocked. I can run rfkill unblock 0 with no error message, yet running rfkill list again indicates the device is still softblocked. ...
1
vote
0answers
175 views

How do I know from a BeagleBone Black if it is connected via USB (as a client/slave)?

BeagleBone Black has an USB port which allows the user to access it through ssh. In general, we could say that when you plug it to a PC, the PC is the USB host and the BBB is the USB client. On the ...
1
vote
0answers
206 views

Brother scanner and missing /dev/bus/usb entry?

I'm having awful trouble getting a DCP-7055 multi-function printer to work as a scanner with Mint 16. (My old flatbed scanner was working.) (I have printing working.) I've installed the Brother ...
1
vote
0answers
182 views

How to use a PS gamepad with OpenWRT?

I'm fairly new to OpenWRT and Linux in general so please bare with me. I'm trying to print the button presses from a playstation gamepad to the console on an Arduino Yun which has OpenWRT. I've used ...
1
vote
0answers
243 views

Input/output error using jmtpfs not saving file when copying to device

I'm trying to mount an Android device on Debian using: jmtpfs /media/mobile But when I try to copy a file from my system to the device I get an input/output error saying that the file can't be ...
1
vote
0answers
384 views

Invalid version string 'GNU/Linux'" when creating bootable USB stick

When I tried to create a bootable USB stick using Startup Disk Creator, appear this massege below. Invalid version string 'GNU/Linux'" How can I create a bootable USB stick on Ubuntu 14.04?
1
vote
0answers
42 views

Why does USB errors with my mobile phone stop the computer from interacting with services?

I set my Android phone to use "Mass storage" as the connection mode (In Settings → Storage → context menu item USB computer connection) to easily be able to browse the files. Then I plugged ...
1
vote
0answers
91 views

Removed USB storage device is still mounted

I'm working on a embedded linux system based on busybox. Sometimes a USB device which is physically removed from the post is still displayed in mount, df or /proc/mounts. If I reattach the device, it ...
1
vote
0answers
250 views

Modifier keys cannot be mapped to regular keys on USB keyboard with udev

Using an hwdb file, /etc/udev/hwdb.d/99-keyboard.hwdb, I can remap the left Alt key on my USB keyboard as the Ctrl key: keyboard:usb:v*p* KEYBOARD_KEY_700e2=leftctrl This also works when I try to ...
1
vote
0answers
229 views

Device in fstab not mounting at boot

The following is in my /etc/fstab file: UUID=596ac80a-5571-41dc-a00e-b3270ecfe7c4 / ext3 errors=remount-ro 0 1 /dev/sdb1 /home/teamspeak/ts3/files/virtualserver_1/channel_527 ext3 ...
1
vote
0answers
539 views

Save motion output videos in USB Drive

I'm using a USB drive in my Raspberry to store my website. Now I want also save my videos made with motion. I wasn't able to save in a folder different from /tmp/motion so googling I found I had to ...
1
vote
0answers
296 views

CDC ACM doesn't working in a custom linux kernel

I've a cubieboard2 running arch linux with a custom linux kernel. In the cubieboard2 I plugged in my usb-serial device (like an arduino), the device is recognized as CDC ACM. My linux kernel has the ...
1
vote
0answers
70 views

How to have X server on another graphics card which keeps refreshing when I'm working on my main display?

For presentations I want to use the external USB connected video adapter connected to the projector (especially as the standard VGA output in my laptop got damaged). My idea was to start a dedicated ...
1
vote
0answers
115 views

How to make a mouse driver from a tty?

I have an Arduino plugged in my computer through the uart/tty port. I would like to use it as a mouse but I have no idea where to start with kernel/device drivers/etc. Here is a little summary of ...
1
vote
0answers
166 views

Scanner works in laptop, not in desktop

I have an Epson Perfection 660 flatbed scanner that works on my laptop. This is what appears in /var/log/syslog when I plug it in: Dec 18 15:43:57 lap kernel: [   31.868278] usb 6-2: new full-speed ...
1
vote
0answers
1k views

All USB ports detected as USB 1.0, not USB 2.0

My Ubuntu 13.10 server (Upgraded from 11.10) has always had an issue with mounting USB 2.0 devices. Despite legacy being turned off on the motherboard bios, the output of lsusb -t always shows the ...
1
vote
0answers
130 views

Mount an SD card over USB?

I'm currently using: insmod g_file_storage.ko file=/dev/mmcblk0p1 stall=0 removable=1 This works as I can see the device in Windows. However when it comes to changing a file, the changes are not ...
1
vote
0answers
138 views

PXE USB BOOT Debian

I have installed a Debian. I rsynced it. I load it on my client through PXE from NFS to make a backup. But I need my Computer(NFS-host) at the same time to make something other with it. For example, ...
1
vote
0answers
118 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
0answers
463 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 ...
1
vote
0answers
343 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 ...
1
vote
0answers
98 views

Run script on “Safely remove” action in KDE

I have a Linux box with KDE 3.5.10. I do not plan to upgrade it soon, so please don't answer that. Now, I want to run a script each time I select the "Safely Remove" option on a mounted USB ...
1
vote
0answers
336 views

How to load kernel module in Chromium OS?

I've installed the Chromium Vanilla by Hexxeh to a USB drive, but I can't use it on my computer because it lacks the carl9170 driver, which is needed by my adapter (a D-Link DWA-160.) I've managed to ...
1
vote
0answers
92 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 ...
1
vote
0answers
81 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 ...
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? ...
1
vote
0answers
204 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) $ ...
1
vote
0answers
431 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
0answers
870 views

Changing mode preference (1x/EVDO/Hybrid) for USB modem

Device in question - Huawei HC156 (what it says on the packaging)/HC1260 (what it says in lsusb). I CAN connect to the internet with it, but I can't change modes between 1x, EVDO, Hybrid. The option ...
1
vote
0answers
461 views

RT2800USB wireless adapter stops scanning

I have a Linux machine, and I'll switch between using an RTL8187 based card, and a RT2800USB based card (the cards are both USB dongles by the same manufacturer). I've loaded the drivers for both ...
1
vote
0answers
2k views

WD MyBook 3TB - Gparted failed & HDD partitions recovery?

I have this new WD MyBook external HDD (USB 3.0/2.0); I created 3 partitions all of them ext3 type (~1 TB | ~1 TB | ~750 GB) I loaded lots of files all the partitions were like ~30% full on each, and ...
1
vote
0answers
143 views

Make kernel detect garmin device

I'm trying to connect a usb garmin forerunner device to my system, but the usb device is not detected. I have loaded the following mods: garmin_gps 11544 0 usbserial 25449 ...