0
votes
1answer
22 views

Can I view the history of connected usb?

I don't know Ubuntu or other linux distribution would record the connected USB information or not. I mean does Ubuntu record the USB information as I plug it into the PC, when I plug it out, does ...
3
votes
2answers
32 views

Udev - How to change device group?

By default, all hard drive and usb drive devices belong to group "disk". I want to change usb drives to group "adm". I verified the ID_BUS $ udevadm info -q all -n /dev/sdb | grep ID_BUS E: ...
0
votes
2answers
20 views

Where is the information stored in the USB core regarding the class driver and the HCDs, for it to check?

Obvious by the question, does the USB core have an array or something (maybe a linked list) where all the class drivers' information and HCD's information (a name or some kinda number) is stored so ...
0
votes
1answer
20 views

What happens after the core selects mass-storage

When a usb mass-storage device is attached to the host, enumeration of the device happens and the process where an address is given to the device, getting the descriptors occurs, then the core checks ...
0
votes
1answer
26 views

ID_FS_LABEL in udev

What is ID_FS_LABEL in udev? Also why doesn't it show up when I execute this command : sudo udevadm info --root --name=/dev/sdb The output that I get for the above command : vineet@vineet:~$ sudo ...
2
votes
1answer
666 views

USB audio device not detected [closed]

I've been having problems with USB sound for some time (it used to work about 6 months ago). I find that any USB sound device that I connect is not recognised, and is not listed by aplay -l I've ...
0
votes
1answer
310 views

How can I detect unknown/unapproved devices with udev?

I'm designing a security sensitive setup for a client. The situation is as follows: Sensitive information has to be stored on a server that might be accessed by unauthorized personnel. There is no ...
3
votes
0answers
152 views

Why does an external USB hub show up under different USB bus/port numbers than other devices plugged into the same port?

I'm working on setting up a system where I want to have certain devices always named the same way when they are plugged into certain ports. I originally set up a udev rules file with the devices ...
5
votes
2answers
2k views

How do I know the device path to an USB-stick?

I have a USB-stick (used as an installation medium). Now I need to install a driver from a restricted folder on that device). But how do I get the device path to my USB-stick (e.g. /dev/sda3 so I can ...
0
votes
1answer
2k views

How to find the directory of a USB port

I am trying to find the name of the second USB port in my computer in the director /dev/ since I am trying to find where my AVR micro-controller programmer location to execute this command: avrdude -p ...
1
vote
1answer
507 views

Why did USB stop working suddenly?

I tried to connect an Amazon Kindle (as I do everyday) to my 3rd. USB port, as the other two are always busy with mouse and keyboard. When I connected the device, the computer froze and I eventually ...
0
votes
1answer
688 views

Mounted Devices History

Does Ubuntu keep the history of the devices that were mounted (i.e. USB devices, external drives etc...). If this is the case where can I find it?
2
votes
2answers
984 views

lsusb - where device description comes from

For one of my attached USB devices (2773:0104) I see no description in lsusb command output: user@Thinkpad-Laptop:~/binaries$ lsusb Bus 008 Device 002: ID 0a5c:217f Broadcom Corp. Bus 008 Device ...
1
vote
1answer
2k views

Cant see the “Format” option in quicklist for a USB device in 12.10.How can I get it back?

I am not able to find the Format option in the quicklist menu for an external usb drive after I installed 12.10 How can I et it back? I tried the quicklist editor in Ubuntu Tweak but it does not ...
2
votes
1answer
2k views

udev rule group ownership not working

I have added a udev rule for my Arduino, but the symlink gets the ownership "root root" instead of "root dialout". $ cat /etc/udev/rules.d/47-Arduino.rules SUBSYSTEM=="usb", ATTR{idVendor}=="2341", ...
2
votes
2answers
4k views

How do I get OBDII software working?

I have an ODBII USB cable for vehicle diagnostics, unfortunately I haven't been able to get it working on Ubuntu 12.04. The closest I've come is using the VAG-COM software with wine, using the ln -s ...
1
vote
1answer
7k views

USB devices not regconized

I am using Ubuntu 12.04. When I mount a USB flash drive, my laptop does not recognise those devices. Can you help me to solve this problem? lsusb output: Bus 001 Device 001: ID 1d6b:0002 Linux ...
5
votes
1answer
2k views

Is Ubuntu Compatible with Bluetooth 4.0?

I recently purchased a Bluetooth 4.0 adaptor for my laptop. Bluetooth 2.1 was recognised instantly, but Bluetooth 4.0 is not recognised. Is there a fix for this, or is Ubuntu not compatible with ...
1
vote
4answers
3k views

How to disable Usb port?

I am using Ubuntu 10.10. I want to disable my usb port due to some resign. so how i can disable my usb port and after that how i can enable it..
5
votes
1answer
3k views

Send raw data to USB parallel port after upgrading to 11.10

I have a laser cutter connected via a generic USB to parallel adapter. The laser cutter speaks HPGL, as it happens, but since this is a laser cutter and not a plotter, I usually want to generate the ...
6
votes
1answer
434 views

USB Device No Longer 'Powering' Up In Ubuntu

I've run across a weird issue that I was wondering if anyone had seen before. We run a custom version of Ubuntu 10.04 at work and we've been testing some software that uses webcams recently, which 90% ...
2
votes
3answers
516 views

HTC Trophy not detected

When I plug in the device via USB chord, nothing happens and the device is not shown on the desktop. However, when I type "lsusb" into a terminal this is the output: Bus 007 Device 001: ID 1d6b:0001 ...
4
votes
1answer
728 views

unable to access usb device [closed]

I'm reading my boot logs, at /var/log trying to understand why the boot process is taking so long. I found that the system can't access many usb devices, but can't understand why. Is there a way to ...
1
vote
0answers
189 views

USB devices off when i power on my laptop [closed]

I have a big problem. Sometimes (not always), when I power on my laptop, my USB devices (mouse, keyboard and other) don't work. All devices work, indicators are on, but it doesn't work in Ubuntu. And ...
5
votes
7answers
2k views

How to show notification when a usb device is inserted?

It would be good to know that when you connect a USB device like a web-cam, it notifies me that it works or not.