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

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2
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1answer
194 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 ...
7
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
760 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
1k 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
8k 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 ...
9
votes
1answer
5k 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
738 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
3k 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?
0
votes
1answer
199 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 ...
5
votes
1answer
2k views

How do I create a USB image with a partition table?

I want to create an image of some directory tree that is writable directly to an USB drive, just like the images of many linux distributions. For example, with openSUSE you can download an ISO image ...
3
votes
1answer
4k 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 ...
4
votes
1answer
18k views

How do I access a USB serial port without an entry in /dev?

I have a USB to serial adapter based on the SiLabs CP2101 chipset. I'm trying to use it with Debian 5.0 Lenny (armel architecture). I seem to be able to get the proper kernel module to recognize the ...
3
votes
1answer
4k views

Raspberry Pi Wireless USB stick

I recently acquired a Raspberry Pi, and have installed Debian Squeeze on it, and after doing a small bit of research (I'm not too proficient with Linux) I found and ordered a USB wireless dongle ...
1
vote
1answer
560 views

usb thumbdrive not mountable

I am new at linux and currently I have a problem with my USB thumbdrive (can't access it either in windows - no volumes are shown). cat /proc/scsi/scsi shows the following: Host: scsi8 Channel: 00 ...
1
vote
0answers
1k 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 ...
2
votes
1answer
4k views

ubuntu usb sound card sometimes recognized and sometimes not at boot

I have a linux ubuntu 12.04 server machine which works with an usb sound card. When rebooting the machine, sometimes the usb sound card is recognized and sometimes not, I cannot figure out a reason ...
2
votes
1answer
2k views

FreeBSD USB devices - given /dev/da* device is on which speed?

I use machine with USB 2 and USB 3 ports, and I have USB 3 external disk which works perfectly in term of speed (I use it as backup drive so during the night new files are nicely transfered to this ...
4
votes
3answers
4k 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?
1
vote
0answers
473 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 ...
2
votes
1answer
2k views

Converting a bootable USB into an ISO image

I know how to make a bootable USB, but how does one make an ISO image out of a bootable USB?
3
votes
1answer
720 views

Is it necessary to enable CONFIG_USB_OHCI_HCD , when there's only USB 2.0 ports

Is it necessary to enable CONFIG_USB_OHCI_HCD on a system that has USB 2.0 port only ? I'm not sure those devices present , e.g bluetooth , camera use that driver ? Bus 001 Device 001: ID 1d6b:0002 ...
2
votes
1answer
866 views

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

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 ...
3
votes
1answer
3k views

How can I uniquely identify which device is on USB `hub 6-0:1.0: port 2`?

How can I uniquely identify which device is on USB hub 6-0:1.0: port 2? I receive messages in my dmesg every now and then and I want the system to tell me which device is connected to that port. ...
4
votes
1answer
3k views

Udev triggers are not firing on insert of CF card into USB card reader (anymore)

I've got a udev rule that triggers a shell script that copies photos off my CF card when I insert the card into my USB card reader. This worked fine for a while. But after a recent upgrade it has ...
3
votes
1answer
4k views

USB 3G Modem for embedded Linux?

I am fairly new to Linux world, I have to develop an application on embedded Linux which sends data over internet. I have to choose a USB 3G modem with a SIM card holder. I would appreciate if anyone ...
2
votes
2answers
430 views

Swap alt and windows key except when using an external keyboard

On my laptop the Alt and Windows keys are in the opposite positions that I'd prefer them in. Swapping them is fairly easy. However, my external (USB) keyboard has the Alt and Windows keys in the order ...
3
votes
2answers
675 views

Launching Gentoo from external hard drive

I have an external hard drive (Transcend TS500GSJ25M - not sure M1, M2 or M3, but guess it's M1) and I'd like to install Gentoo on it. It's pretty easy, using genkernel, though it compile a lot of ...
2
votes
2answers
324 views

Is there any “non live” distribution of Linux that can be run from a USB drive, AND allow access to files from Windows?

I tried installing a "pen drive" version of Ubuntu from PenDriveLinux.com, but since it was a modified version of Live Ubuntu (i.e. that usually runs from a CD), it had some kind of custom ...
2
votes
1answer
436 views

Bluetooth pairing hangs up the system in debian

Whenever I try to pair bluetooth in debian using bluetooth-agent command, the system hangs up and I am unable to do anything with it. When I ask for access from my remote laptop it gives the message ...
1
vote
1answer
1k views

How to power off USB stick or MMC card under linux?

Usually I just unmount the usb stick or mmc before unplugging it but I'd prefer to turn the power off before doing so. I think Windows does this, so the hardware should allow for turning off the power ...
1
vote
1answer
275 views

Which driver for USB enclosure should I install?

I'd like to connect my old harddrive to my laptop via USB enclosure. I connected it but it only produced strange sounds, so I thought that the enclosure is corrupted. I connected the enclosure to ...
0
votes
1answer
1k views

mtp-detect doesn't detect my Sony Ericsson phone

I used to have a Samsung Galaxy Fit that worked out of the box with Banshee. I recently bought a new Sony Ericsson Xperia Mini, I tried to sync it using Banshee, but it doesn't show up. It does ...
2
votes
2answers
386 views

Fast distro which only allows a USB boot?

Older PCs BIOS don't have the ability to boot from USB and there is no upgrade from the motherboard manufacturer that makes that possible. Usually I load UNetbootin to make the USB bootable. Since ...
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 ...
4
votes
2answers
625 views

Is it normal that a restart is required to mount USB after a kernel upgrade?

Sometimes I see the Linux kernel being mentioned in the list of upgrades, when running pacman -Syu (updating my packages in Arch Linux). Whenever this happens, after installation of the packages, I ...
6
votes
1answer
1k views

How to make a system lock when the USB pendrive with authentication key is removed?

Say, I have USB drive authentication up and working. So far, so hoopy. But now I want to take the next step, which is locking the machine when I eject the medium. I know there is udev I can script, ...
4
votes
2answers
7k views

Difficulty with mobile broadband device being recognized (registered as CD ROM)

I am running Ubuntu 10.04 LTS on a Samsung n150 netbook. I have bought a vodafone pay-as-you-go mobile broadband dongle. It is a Huawei device. I have *usb_modeswitch* installed. I installed betavine ...
2
votes
2answers
3k views

How to enable force feedback in kernel 2.6.34 - 64 bit?

The wheel is Logitech driving force DFGT. The platform: linux-dopx:/home/anisha/ # cat /etc/issue && uname -a Welcome to openSUSE 11.3 "Teal" - Kernel \r (\l). Linux linux-dopx ...
4
votes
1answer
2k views

How does the Linux kernel decide how much bandwidth to allocate to Isochronous USB endpoints?

As far as I'm aware, USB endpoints that use isochronous transfers have a 'wMaxPacketSize' parameter associated with them that is used by the kernel to guarantee a certain amount of bandwidth for the ...
2
votes
1answer
299 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?
2
votes
0answers
1k views

Unable to use USB through DD-WRT on a Buffalo WZR-HP-G300NH2

I have a Buffalo WZR-HP-G300NH2 and I'm trying to get USB support working. The original Buffalo-branded firmware would refuse to mount the USB drive, so I've followed what tutorials I've found for ...
22
votes
2answers
24k views

How to run custom scripts upon USB device plug-in?

What is the state-of-the-art method for automatically executing custom scripts upon USB device plug-in under current Linux distributions like Debian/CentOS/Fedora? For example if you want to ...
6
votes
3answers
7k views

Howto read SMS stored on a SIM card?

I have an old phone with a telephone card (SIM card) inside. The telephone has an infrared interface on the side. I want to read out my contacts and stored SMS messages from the phone, either via ...
2
votes
2answers
205 views

Distribution recommendation for USB flash disks

I'm a linux system administrator and dealing with big iron distributions like debian and redhat for a long time. I need a recommendation for a small distribution which I can install to USB flash disk. ...
10
votes
6answers
25k views

Create a Bootable (UEFI GRUB) USB for Ubuntu & Windows 7 Install

I want to create a Bootable EFI USB to install Ubuntu & Windows 7 (maybe with utilities like PartedMagic). I did that using MultiSystem previously. However, I am using GPT and Windows install ...
5
votes
1answer
1k views

Configure fstab for a bootable usb

I'm trying to clone a partition and make it a bootable usb. I've made two ext3 partitions (just like the installation I'm cloning). The first one is small and has grub/ and the kernel. The second ...
1
vote
1answer
195 views

How to keep LiveCD settings?

As I am now only able to run my machine from liveCD (Fedora XFCE 16 or Xubuntu 11.10), I would like to know if there is a way to keep the current session's settings (keyboard, wifi etc.) for a later ...
2
votes
1answer
257 views

Why do Linux and OSX require no driver to connect to an Android device?

I asked the dual question at superuser and didn't really get an answer - thought I might have better luck here. I've started down the path of tinkering with my Android phones. What's curious to me is ...