Universal Serial Bus (USB) establishes a connection between devices and a host computer.
3
votes
1answer
6k 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
2k 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 ...
0
votes
0answers
126 views
/sys/class/tty/ttyACM0 could not be reomved after unplugging the USB device?
I just wonder how to start debugging this issue. Usually when we unplug this device, the device mount /sys/class/tty/ttyACM0 should be removed.
I run udevadm monitor, I found there were whole sets ...
1
vote
1answer
379 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
298 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
1answer
1k 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
548 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
1k 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
311 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
1answer
982 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?
2
votes
1answer
283 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 ...
0
votes
0answers
30 views
What happens after an USB disk is connected to a Linux system? [duplicate]
Possible Duplicate:
What happens when a USB drive is plugged in?
What happens after an USB disk is connected to a Linux system? Does the system probe devices, load driver modules, or what? ...
3
votes
1answer
846 views
smartctl on external hdd inside ide-to-usb enclosure
I have a very old 2.5" IDE drive inside a USB enclosure that gives some buffer I/O error. I tried to use smartctl to see what SMART says about it, but I can't manage to make it work. Being root, if I ...
2
votes
1answer
612 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 ...
3
votes
1answer
1k 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.
...
3
votes
0answers
681 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 ...
0
votes
0answers
951 views
IPCop v2.0.3 Install via USB
I have a SFF (Small Form Factor) PC that I am attempting to install IPCop v2.0.3 onto for use as a firewall in my home network. As it is SFF (Mini-ITX) it did not come with a disk drive and I do not ...
2
votes
1answer
1k 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
181 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
300 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
1answer
165 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
242 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
381 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
161 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
710 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
302 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
955 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 ...
3
votes
2answers
200 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 ...
4
votes
1answer
371 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
4k 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
974 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 ...
3
votes
1answer
412 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
118 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
730 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 ...
10
votes
2answers
5k 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 ...
5
votes
3answers
4k 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
144 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. ...
7
votes
5answers
11k views
Create a Bootable (UEF 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 ...
4
votes
1answer
503 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
99 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
177 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 ...
0
votes
0answers
300 views
Silicon Wave USB Bluetooth Adapter doesn't work
I have been trying to use my usb bluetooth adapter(silicon wave) on ubuntu 11.10 server, it appears in the lsusb list but it doesn't work
Bus 005 Device 003: ID 0c10:0000
root@i5-PC:/home/john# ...
4
votes
1answer
8k views
Mounting USB drive that is not recognized
Using Arch Linux / XFCE, I frequently have problems with USB drives that are not properly mounted. Sometimes they automatically show up in Thunar and I can mount them with one click. However, at other ...
16
votes
1answer
5k views
How to assign USB driver to device
This question is two-fold:
First, how do you manually detach a driver from a USB device and attach a different one? For example, I have a device that when connected automatically uses the ...
1
vote
0answers
465 views
USB keyboard won't work with usbhid driver
I have an HP thin client (model t5325) which runs Debian Linux (kernel 2.6.22.18-1-armel). We are testing some kiosk keyboards from Operator Interface Technology which are presenting themselves to ...
2
votes
1answer
608 views
Linux 2.6.32, busybox, Identify physical SD device
I have a USB card reader with two SD card interfaces and two USB ports (so it can also act as a USB hub) all on the same device. I am running an embedded Linux device that is unsupervised in its use ...
3
votes
3answers
8k 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 ...
4
votes
2answers
3k views
ttyUSB0 permission changes after restart
I'm trying to install a device. I plug in the device which creates a ttyUSB0 file. When I open it in the program I need it for, it says the permission is denied. I type in terminal
sudo chmod 666 ...
2
votes
2answers
111 views
Writing usb on FreeBSD to access on windows
How can I write "stuff" into USB drive on FreeBSD such that, the "stuff" is accessible in Windows [yes my wife still uses that :( ] and Ubuntu?
2
votes
0answers
790 views
Restart USB (ehci) in Fedora 14
I am looking for a way in Fedora 14 to restart the USB system so that all USB devices disconnect and reconnect to the OS (due to some slightly dubious USB peripherals that I have no choice but to ...
