USB is an acronym for Universal Serial Bus. The current USB standard is USB 3.0, which supports transfer speeds of up to 625MB/s. USB devices are plug-and-play.

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2
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1answer
360 views

Make Ubuntu only start if an USB flash drive is connected

This may sound weird, but I got this idea and I would love to put it in practice. I have an USB flash drive that I carry with me everytime, and I would like to create a system to make my Ubuntu only ...
0
votes
1answer
569 views

Force specific letter for usb drive in /dev/sd*

Is there a way to force an usb drive to always get a specific letter in /dev/sd*? I know about udev symlinks, that does not help.
2
votes
2answers
3k views

Won't detect Seagate 2 TB USB 3.0 external drive

So first I googled this question and I came up with this Ubuntu Forums thread. I did the things that the thread said to do like typing: lsusb sudo fdisk -l Then I unplugged my device and plugged ...
6
votes
5answers
7k views

Failed to install bootloader

I am trying to install Ubuntu 12.04 by creating a USB Boot Disk. I am using a 500 GB External Hard-drive ("Elements"). I get through the first part of using the start-up disk creator. I select ...
0
votes
1answer
5k views

problem connecting internet through usb modem (micromax)

I recently installed Ubuntu 12.04. But I cannot connect to Internet via my USB modem. I created the wireless broadband configuration, but it is not shown in the network menu. How can I solve this ...
0
votes
2answers
632 views

Whats the easiest way to install Windows 7 via USB side by side with Ubuntu (Other Questions Below)?

I am trying to install Windows 7 side by side with Ubuntu. The computer is already running Ubuntu and I have partitioned the hard drive formatted it for NTFS and have a USB copy of the .iso of Windows ...
1
vote
2answers
126 views

Upgrade gone wrong. wiped existing OS now what? [duplicate]

Possible Duplicate: My system is totally messed up. What is the best course of action? Tried to upgrade from USB stick and something went wrong.. The removing conflicting os message ...
2
votes
1answer
942 views

Keyboard not working on boot

I have read other related threads, but none quite seem like this. I upgrade to 12.04 today and every time I boot, the keyboard stops working. It works in grub and bios, but as soon as I am to the ...
5
votes
2answers
11k views

Why does my USB mouse seem to randomly quit working? [duplicate]

While I am doing stuff... doesn't seem to matter what, my USB mouse just stops working... sometimes it will be the keyboard as well but usually not as often. Ubuntu forces me to press my power button ...
2
votes
1answer
2k views

Installed Ubuntu upgrade 12.04 and USB external speakers won't work.

Internal speakers and head set work fine. I am using ACER Aspire 7560-sb416
0
votes
2answers
2k views

Ubuntu 12.04 startup after installation needs USB

I just installed Ubuntu 12.04 from a bootable USB (created in Ubuntu itself). Everything was fine with installation, but after installation, I need to plugin the USB to start-up. Ubuntu does not read ...
4
votes
3answers
16k views

Install through usb stick Macbook Pro [duplicate]

I've just downloaded ubuntu 12.04 and wanted to make a fresh install on my macbook pro, I followed the instructions given here http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx and ...
24
votes
8answers
18k views

Can't boot without Flash Drive plugged in

I had Ubuntu 12.04 Beta installed on my computer. When 12.04 was finally released, I made a bootable USB Flash Drive using Startup Disk Creator. Then I decided to check if this drive works properly ...
0
votes
1answer
126 views

boot from usb thumb drive: the installed (octave) pkg not there and forever after, on subsequent boot!

I successfully installed and used Octave from a USB thumb drive for a Toshiba 205 netbook. Everything was fine. Then I quit and re-booted. Octave had disappeared from the launcher. And, I can't find ...
1
vote
4answers
4k 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..
1
vote
0answers
453 views

Plugging in USB mouse or USB Headset crashes XServer in fresh install of 12.04 [closed]

I'll try to be as clear as possible. I recently wiped my system to install Ubuntu Studio 12.04, but it wouldn't boot the installer with my USB mouse plugged in. When I did get everything installed ...
0
votes
5answers
14k views

RTL8188CUS Wireless USB Dongle doesn't work unless I disable wireless security

I have a Digitus DN7045 wireless USB dongle which uses the Realtek RTL8188CUS chipset. If I disable security on my wireless network, it works fine. As soon as I enable any type of security, it stops ...
1
vote
1answer
552 views

Can not boot Ubuntu 11.10 from external USB HDD

I've just installed Ubuntu 11.10 x64 on a 200Gb partition of my 2Tb external usb HDD. Everything went smoothly. After restarting the computer, I tried hitting F12 and choosing usb hdd. Something like ...
1
vote
2answers
840 views

USB boot is skipping and reverting the HDD

I installed Ubuntu 11.10 to a 16gb USB drive (Kingston DataTraveller G3), I know it is fully functional as I have tested after disconnecting my HDD. My BIOS has all other devices in a higher ...
3
votes
5answers
36k views

'Invalid or corrupt kernel image' error while booting from USB stick [closed]

I got the Ubuntu 11.10 32-bit edition and i used Unetbootin to write the ISO to a usb stick.After that i tried to boot from the stick,having changed the BIOS boot settings,and when the first interface ...
1
vote
0answers
234 views

Zebrex 3151hs USB Barcode Scanner missing character [closed]

I am using Zebex 3151hs barcode scanner. There is no problem on windows. But I have some problems on Ubuntu 11.10. For example: on barcode: "example2012" after scan: "example201" another example: ...
0
votes
1answer
464 views

USB Mouse on Laptop won't change window focus

I have an Asus g74sx dual-booting Ubuntu and Win7 via Wubi. My touchpad and usb mouse work perfectly in Windows, but behave abnormally in Ubuntu; if I just use the touchpad, everything works fine, but ...
0
votes
1answer
453 views

Can't install on an Asus EEE PC 900 due to udev timeout error

I have an ASUS EEE PC 900. I am trying to install using a bootable USB drive. I have tried installing Ubuntu 11.10 and 10.04 as well as Lubuntu 11.10. Every time a get a repeating message to the ...
2
votes
1answer
1k views

device shows up in lsusb + adb but not in ifconfig

I'm running Ubuntu in the VMWare Player under Windows 7: root@ubuntu:/# uname -a Linux ubuntu 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 17:34:21 UTC 2012 i686 \ i686 i386 GNU/Linux I'm trying to ...
1
vote
2answers
4k views

How do I get Ubuntu to connect to my Android tablet?

What I'm doing is trying to run a software called gMTP, which is apparently what I need to do to transfer files back and forth to my Android Galaxy 10.1 Tab device. I've asked about it on the Android ...
0
votes
1answer
82 views

Why is this text red when I check to see if a USB device is connected?

I am trying to get my Galaxy Tab 10.1 to connect to my Ubuntu 11.04 computer. It's not working, and I've asked about it on the Android SE site. However, it seems there might be issues on the Ubuntu ...
20
votes
7answers
47k views

Copy to USB memory stick really slow?

When I copy files to the USB device, it takes much longer than in windows (same usb device, same port) it's faster than USB 1.0 speeds (1MB/s) but much slower than USB 2.0 speeds (12MB/s). To copy ...
4
votes
3answers
3k views

Start script when connecting phone through usb

Trying to run a script when my phone is plugged in via USB, a made a udev rule looks like this in /etc/udev/rules.d/85-lazydroid.rule ATTRS{idVendor}=="22b8", ATTRS{idProduct}=="428c", ...
0
votes
1answer
520 views

Check drivers from Ubuntu

is there a way I can check what model my drivers are from ubuntu? I need to see what model my LAN USB adapter is.. But when I open Disk Utility all I see is my harddrive and a flash drive I've ...
0
votes
1answer
2k views

How do I make ZTE MF192 USB modem work?

The closest to a solution is: Getting a Huawei EC159 USB Modem working on Ubuntu 11.04 I have no idea what flag to pass to usb_modeswitch and I do not want to mess up anything. The output from ...
2
votes
2answers
2k views

How do I mount a USB floppy disk drive?

I have tried to mount my usb floppy disk drive in 11.04 Natty. So far I have managed to use the udisks --mount/dev/sdf command in terminal, but get a message that I have not stated a filetype ...
0
votes
5answers
2k views

Cannot boot Ubuntu 10.04 from USB

I tried to install Ubuntu 10.04 from my Silicon Power 4gb pendrive.I currently have installed Ubuntu 11.10. I downloaded "ubuntu-10.04.4-desktop-i386" from Ubuntu's site and created an USB bootable ...
2
votes
1answer
4k views

Unable to enumerate USB device on port 2 when connecting Android phone

I'm running Ubuntu 11.10 (64-bit) as a VirtualBox guest on a Win7 64-bit host. When I plug in my Android Epic4g (Galaxy S) both the host and guest see the device properly, however lsusb does not. ...
3
votes
2answers
942 views

Can i run ubuntu from USB and save all information?

Hello i want to install ubuntu to my USB and run it simle on each computer. I want to save all that i do. For example when i install localhost using my home computer, i go to work and run ubuntu ...
0
votes
1answer
396 views

Mechanical mouse using USB-to-PS/2 Adapter freezes occasionally

I am using an AOpen PS/2 mechanical mouse in Ubuntu 11.10 with a Staples USB-to-PS/2 Adapter with my Intel DP67DE motherboard. The mouse is more comfortable for my hand as it has a lower height than ...
6
votes
1answer
1k views

How to force Empathy Internet Messaging to change default webcam?

I just recently bought a new webcam. It is USB powered. For personal reasons, I wish to not use the built in webcam that came with my netbook. I want to use this new one. I love empathy, it is a ...
1
vote
0answers
377 views

How to hide the Unable to mount iPhone message: Unhandled Lockdown error (-15)? [closed]

I just want not to see any message like the above, as I connect the iPhone to my workstation only to charge it. I know that there are similar questions but none of them is trying to solve the problem ...
9
votes
5answers
371 views

Is there an application or method to log of data transfers?

My friend asked me for some files that I let him take from my system. I did not see he doing that. Then I was left with a doubt: what extra files or data did he take from my system? I was thinking is ...
2
votes
2answers
689 views

Cannot install dsniff in 9.10 USB

Ubuntu 9.10 USB Pendrive everything works good even after sudo apt-get update and I try to sudo apt-get install dsniff and I get the following message: ubuntu@ubuntu:~$ sudo apt-get install dsniff ...
6
votes
5answers
12k views

USB device not accepting address

I have a series of machines that I am building for work that have usb card readers. When I boot them I get a long series of messages: ... [ 2347.768419] hub 1-6:1.0: unable to enumerate USB device on ...
1
vote
2answers
4k views

pen drive unmounts and remounts as readonly

When I plug in my USB pen drive, it is automatically mounted as read/write, as expected. However, after a random time it suddenly gets unmounted and remounted as read-only. A part from waiting for ...
4
votes
1answer
1k views

USB 3.0 hard drive not being mounted on some reboots

I have a problem with my external HDD (WD My Book Essential 1TB) working on USB 3.0 port. I'm using dual boot setup with Windows 7 and Ubuntu 11.10, both 64 bit. While I'm running Windows and ...
0
votes
2answers
5k views

Davicom DM9601 USB LAN NIC Ubuntu 11.10 issue

I have a davicom dm9601 USB ethernet card. When I plug in the device, it is detected and drivers are loaded, but I can't connect to internet using it. It works perfectly on XP, other laptop but not ...
2
votes
1answer
447 views

How can I request password when Usb hardware is plugged in?

at the moment I use Xubuntu 11.10, my question is: How can I request password when Usb hardware is plugged in? Example: I plug usb mass storage: now xubuntu open a window and show me files and ...
1
vote
1answer
2k views

Ubuntu 10.10 USB drive not showing

USB is detecting but not showing the drives or mount details. Nothing there inside my /media folder and /mnt folder. I already enabled automatic mount and give privilege to user also. My sudo ...
0
votes
4answers
1k views

UBUNTU 11.10 will not boot after succesfully installed on 8GB usb 3.0 pendrive

UBUNTU 11.10 on 8GB USB 3.0 pendrive. Drive Partitioned using gparted. 4GB BASE 3GB Home 600MB swap Installation Ok. Restart blinking cursor. Installed another distro on another USB 3.0 stick. It ...
9
votes
4answers
19k views

Using usbdrive as ram in ubuntu

In windows it is possible to use usb flash drive as a virtual ram. I wonder if it is possible to do so in ubuntu? If it is, how could one do it? [Edit]: I mean Ready boost equivallent for ubuntu. I ...
1
vote
1answer
1k views

Reset a USB Modem without physical access (KVM virtual machine)

ubuntu community, im using a usb-modem to connect a virtual machine with the internet. So host and guest do not share the same ip/network. I emulate by qemu-kvm, device forwarding works great with ...
1
vote
1answer
1k views

USB drive on Ubuntu on VM Virtualbox

OS X is my host OS. I have windows xp and Ubuntu 10.10 on guest OS. They both work great. When I eject USB flash drive from host OS, it appears in windows guest OS but it does not appear in Ubuntu ...
1
vote
1answer
4k views

USB: Missing Operating System - MAC

Have installed Ubuntu 11.10 on USB using Live CD. Followed the steps as provided in below link https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation After installation is ...