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.

learn more… | top users | synonyms

12
votes
3answers
25k 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 ...
12
votes
3answers
8k views

How do I configure WakeOnUSB properly?

How do I configure Wake-On-USB properly on a 10.04 or 10.10 Ubuntu (2.6.36 and higher if needed)? (Wake-on-USB is when the computer is asleep and for example a USB Keyboard event wakes up the ...
12
votes
3answers
21k views

Laptop USB ports stop working: how to restart them without restarting the PC? [duplicate]

Possible Duplicate: USB slots stop working suddenly from time to time The usb ports of my laptop fail for some reason from time to time. This concerns apparently mainly the external mouse ...
12
votes
1answer
19k views

Why won't USB 3.0 external hard drive run at USB 3.0 speeds?

I recently purchased a PCI Express x1 USB 3.0 controller card (containing the NEC USB 3.0 controller) with the intent of using a USB 3.0 external hard drive with my Linux box. I installed the card in ...
12
votes
1answer
985 views

USB sticks not accessible & system hangs at shut-down: related to older hardware?

Please notice the three updates at the end of the post. Original problem I installed Lubuntu 14.04.1 on an older Acer Travelmate 4500 using the forcepae option and adjusting upowerd.py according to ...
11
votes
4answers
63k views

Trying to boot from usb [duplicate]

Possible Duplicate: Boot failure : No DEFAULT or UI configuration directive found! I have similar issues but none with the 12.04 build. Im trying this on a dell d610 laptop with a bad hard ...
11
votes
1answer
7k views

Unknown ERROR from Startup Disk Creator

I don't understand this error from the Startup Disk Creator: org.freedesktop.DBus.Python.AttributeError: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/dbus/service.py", ...
11
votes
10answers
78k views

External USB hard drives - what speeds should be expected?

Given the number of questions ive seen about slow usb transfer speeds I have to wonder what speeds should one be expecting for a 'typical' usb2 and usb3 hard drives? A side question would be what ...
11
votes
6answers
50k views

“dd: /dev/disk4: Permission denied” error when making LiveUSB on Mac OS X

I'm going through the steps: "How to create a bootable USB stick on OS X" to install Ubuntu on a USB stick, and I keep getting the error: dd: /dev/disk4: Permission denied when I try to run step 8. ...
11
votes
4answers
25k 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 ...
11
votes
2answers
330 views

Alert the user when they unsafely unplug an USB thumb drive

Users repeatedly complain about lost data on USB thumb drives after they unplugged them without unmounting. We run Ubuntu 14.04 LTS on our machines. Auto-mounting is enabled. As I am tired of ...
11
votes
3answers
25k views

How can I get a DisplayLink USB monitor work under Ubuntu?

I have a DisplayLink-based external USB monitor, which has both power and data over USB, and seems to work perfectly under Windows 7, but only can display a text console under Ubuntu 10.10, and that I ...
11
votes
7answers
35k views

How do I create a bootable USB on Ubuntu from Hiren's Boot CD ISO for Windows?

Trying to create a Hiren's BootCD on a USB. Not needing anything else such as a dual boot of Ubuntu and Haren or Window's and Haren. All the programs that I can find to complete this either end up ...
11
votes
4answers
1k views

What is the workaround for Medtronic Carelink Ubuntu compatibility?

I am taking a wild shot here: I am a type 1 diabetic who is going on the Insulin pump. Unfortunately, the Medtronic Carelink USB device that uploads data from the pump online only has windows ...
11
votes
4answers
4k views

Why don't Etron USB 3.0 controllers/ports work? (Asus P8Z68-V and other motherboards)

I have a new computer with an Asus p8z68-v le + Intel 2500 + 8GB of RAM. I installed Ubuntu without any issue but the USB3 (from the mother board - on the back of the computer) don't work. I plug a ...
11
votes
9answers
10k views

USB Storage Device Automount

Under Ubuntu 10.04 one of the problems which appeared is that USB devices would no longer automatically mount when plugged in. Normally I would get a pop up message asking what application I wanted to ...
11
votes
3answers
290 views

Problem with a DNA sequencer

I have recently obtained the MinION USB genome (DNA) sequencer, which to my disappointment doesn't seem to be working in Ubuntu properly. I'm using the 12.04 release of Ubuntu. The sequencer is ...
11
votes
3answers
25k views

How do I get a PS3 Sixasis Controller working via USB?

I am trying to get a PS3 Sixaxis controller to work with Ubuntu 12.04. The ubuntu wiki page for sixaxis says to install QtSixA, which I did. The issue now is actually using the controller. I installed ...
11
votes
0answers
3k views

Is it possible to install without a CD or USB drive? [duplicate]

I've got a friend who wants to try Ubuntu on his netbook, but doesn't have a USB drive he can use, and of course the netbook doesn't have a CD drive. Is it possible for him to install Ubuntu?
11
votes
1answer
697 views

Ubuntu-touch reverse USB tethering

I'm trying to get internet from my Nexus 4 ubuntu-touch through the usb as described here: https://wiki.archlinux.org/index.php/Android_Tethering (this is for Android) What I cannot accomplish is to ...
11
votes
2answers
803 views

Some devices don't work on 3.0 USB port?

My laptop a HP DV6-1149wm has 2x 3.0 USB, and 2x 2.0 USB ports. Some devices will work fine on both, like flash drives, but some other devices, like my iPod, and my Android phone will not work on my ...
10
votes
7answers
17k views

fail to install ubuntu server 14.04 64bit LTS from USB drive

I created a bootable USB using Startup disk creator (in ubuntu desktop 12.04 32bit), from an iso image of Ubuntu server 14.04 64 bit, when I want to boot another computer using this usb drive, The ...
10
votes
4answers
33k views

How to distinguish between identical USB-to-serial adapters?

I use a number of identical USB-to-serial adapters with my laptop (Ubuntu 9.10). The adapters are manufactured by Sabrent and are built around a Prolific PL2303 IC, as shown by lsusb: Bus 001 Device ...
10
votes
7answers
24k views

Why is the error, dd: /dev/rdisk1bs=1m: Operation not supported, popping up while trying to instal ubuntu on usb?

I am trying to install ubuntu onto my flash drive using the instructions from the website, http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx , and after step 8, the terminal asks for ...
10
votes
6answers
12k views

USB Mouse sleeping after 5 seconds when on battery [duplicate]

My usb mouse sleeps after 5 seconds of inactivity when running on battery power. It wakes uo again when i press any button on the mouse. This is really annoying. I have made lsusb, and I noticed my ...
10
votes
2answers
39k views

How to create a OS X Mountain Lion Bootable USB drive on Ubuntu?

I already know how to do it on Mac OS X (plenty of instructions online). But is it possible to do it on Ubuntu? If yes, how?
10
votes
5answers
10k views

Startup Disk Creator shows no free space on my USB stick

I am having a problem trying to use Startup Disk Creator with my 8GB USB stick. The USB stick has just been formatted, but Startup Disk Creator shows that there is no free space on the drive, although ...
10
votes
3answers
42k views

How to tell if your USB ports support USB 3.0? [duplicate]

I'm a Ubuntu 10.04 user. What's the fastest way to tell if the two USB ports on my computer support USB 3.0? I'm not sure if they're 2.0 or 3.0, and I need to know. Thanks!
10
votes
3answers
43k views

Logitech USB headset not working on 12.04

I've looked around for answers to this question, But none of them seem to work for my particular problem. Obviously my USB headset isn't working, But I might as well share the scenario. I am running ...
10
votes
3answers
22k views

Is there an SD Card diagnostic utility?

Are there any SD Card diagnostic utility programs out there for Ubuntu? I would like to run tests on my SD card to check capacity, write speed etc. I have one for windows but I am looking for a Linux ...
10
votes
2answers
550 views

How to create a live system on usb-drive with persistent changes on disk/hdd

I was trying to install Ubuntu live on a USB-drive with persistent changes. However i wanted to write the changes to HDD instead of USB for various reasons (Performance, Space). I found out, that the ...
10
votes
3answers
99k views

How to detect an USB device?

I got a scenario, where a software works only when you insert the USB device provided by the software vendor in windows operating system. Im trying to find the content stored in the USB device. In ...
10
votes
3answers
9k views

How can I connect my TI-84 Plus calculator with my laptop?

I want to connect my TI-84 Plus to my Ubuntu 11.04 laptop. I use the organelle cables to connect it. The program tilp(2) didn't work or at least it didn't show my TI-84 Plus; I've tried to run it in ...
10
votes
1answer
14k views

Slow USB 3.0 speeds

Long time forum forager, first time poster. I bought a Toshiba 500 GB usb 3.0 hard drive last week and instantly ran home to see how fast I could push it. On my desktop (that I built) I was able to ...
10
votes
1answer
1k views

Updating TomTom GPS devices?

Has someone succeed in update of tomtom devices on ubuntu ? I tried with an install of Windows XP sp3 in virtualbox PUEL, the device is correctly regognised but when I install new maps files, I have ...
9
votes
4answers
23k views

Automounted USB devices are read only

Since I upgraded to Ubuntu 12.10 the automout of USB devices does not work as expected. When I plug in a storage device it is recognized correctly but I do not have write privileges on it. I thought, ...
9
votes
2answers
27k views

Cannot boot from USB disk with “not a COM32R image” error

After installing 11.10 on my Dell Studo 15 (Model 1557) laptop, it started to overheat. Recently it even shutdown twice saying that critical temperature has reached even when I was just idling (not ...
9
votes
9answers
4k views

What functionality of an iPad can I use with Ubuntu?

What functionality of an iPad can I use with Ubuntu? I'm thinking about buying an iPad, but I only have Ubuntu PCs these days (no Windows, no Mac), and I'm nervous that it may be too reliant on the ...
9
votes
6answers
15k views

14.04 Cannot create/delete/manipulate files on my Android device via USB

I've always had issues with compatibility between my Android phone and Ubuntu, but now it's gotten to the point that I can't do anything with it over USB. It's always been that when I plug in my ...
9
votes
7answers
26k views

Managing Kindle Fire with on 12.04 via Micro-USB

To begin, I have read both Is there a way to get a Kindle Fire to work with 12.04? and How can I transfer files to a Kindle Fire with a Micro-USB cable? My problem is that I am unable to mount my ...
9
votes
5answers
388 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 ...
9
votes
3answers
66k views

Ubuntu doesn't “see” external USB Hard Disk

It's NTFS. It's USB2. I'm using Ubuntu 13.04. It works perfectly fine on Windows (which excludes cable and hardware problems). I have two Ubuntu computers and it's not detected on either. It's about ...
9
votes
1answer
921 views

Mount Nexus 5x via USB

I'm trying to mount one of the new nexus 5x phones on my laptop via mtp. When I plug it in, nautilus recognizes it as a nexus 5x and an option appears on the left. However, when I click on it, the ...
9
votes
2answers
3k views

How to permanently assign a different keyboard layout to a USB keyboard?

I often plugin a USB keyboard to my laptop (in addition to external monitor and mouse, which all virtually convert my laptop to a desktop computer) and I prefer using a different keyboard layout then. ...
9
votes
4answers
2k views

How to enable persistent option in disk creator?

I try to test natty alpha with usb. (my system is 10.04) But when I run disk creator I can not choose the option for persistent creation. Here on screenshots I saw that this is possible. Choosing the ...
9
votes
2answers
17k views

can't make bootable usb on mac

I've been trying to do this since yesterday, following the instructions given on ubuntu.com's official page here: http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx I can complete ...
9
votes
1answer
1k views

“Startup Disk Creator” doesn't see my USB Hard Disk

I have used Startup Disk Creator several times before succesfully creating bootable usb pendrives from iso images. However, now I'm trying to do the same with a Western Digital external USB portable ...
9
votes
2answers
7k views

Using a DisplayLink USB video adapter on Ubuntu 12.10

The line of USB video adapters made by DisplayLink has a somewhat sordid history under Linux. In past Ubuntu releases, the process of getting them to work has been somewhat difficult, inspiring a ...
9
votes
2answers
5k views

Automatically sync a folder to a USB when USB is plugged in?

Is there a way to sync a folder to an USB drive when the drive is plugged in? I'd like it to sync, or copy over changes, both ways. I've seen the Back In Time and Unison-GTK applications, but I'd like ...
9
votes
4answers
7k views

How can I transfer files to a Kindle Fire with a Micro-USB cable?

I'm running Ubuntu 11.10, and when I connect my Kindle Fire to my computer via micro usb, it is not recognized automatically. Other usb devices, such as my ipod and digital camera, are recognized just ...