Any storage device with a USB interface (USB stick, USB hard disk, …).
20
votes
4answers
9k views
How to reconnect a logically disconnected USB device?
It is possible for a USB storage device to become logically disconnected: the device is still plugged in, but is invisible from the operating system (e.g. it's not listed under /proc/bus/usb). Maybe ...
8
votes
2answers
2k views
Slow performance when copying files to and from USB devices
When I copy files to and from USB devices (camera, HDD, memory card) my system becomes very slow. For example if I want to close a window I move the mouse but it takes about 2 seconds or more before ...
7
votes
2answers
4k views
How do I boot from a liveusb using qemu-kvm?
I am trying to get qemu-kvm to boot from my live usb stick. Is this possible?
5
votes
2answers
2k views
How to umount a USB drive?
I want to know how to umount my USB drive via command line. I am using Ubuntu 12.04 LTS 32-bit.
5
votes
2answers
541 views
Files copied to flashdrive only on unmount
I use Debian wheezy with KDE4. Most of the time when I copy something to a flashdrive, the write does not actually take place until I unmount. This even happens with relatively large amounts of data ...
5
votes
2answers
3k views
How to re-mount a USB stick after unmounting from Nautilus without disconnecting it?
I find that in order to re-mount a USB stick, I have to physically disconnect it, and then re-connect it. How can I do this without such tiring physical action?
4
votes
3answers
6k views
How to salvage an unreadable usb flash drive
I have a 16GB USB flash drive that somehow got corrupted to the point in which even fdisk -l can't find it (I get a one-line error message saying: "Unable to open /dev/sdc")
However, it is being ...
4
votes
2answers
619 views
USB storage devices aren't automatically mounted when inserted on a fresh install of Debian 6.0
I installed Debian 6.0 (squeeze) a few days ago on my machine. I installed the default GNOME desktop, standard settings. Unfortunately, I just noticed that when I plug in USB storage devices (external ...
4
votes
2answers
3k views
How to avoid powering down certain USB devices when a machine is suspended
I'd like to maintain power supply to a USB-powered drive when the system goes into suspend (AKA S3 or "suspend-to-RAM") mode.
Normally the power is cut while the machine is suspended, which causes it ...
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 ...
3
votes
3answers
1k views
How to repartition pendrive again?
My 8GB pendrive originally contained only a FAT partition, but I tried to install OpenSUSE 11.4 on it. I created a 200MB partition for /boot and the rest was for the root partition.
Despite the ...
3
votes
9answers
33k views
How to install CentOS 6 via USB mass storage device?
I want to install CentOS 6.2 on a laptop (Thinkpad R40) which comes without CD/DVD-drive but with USB 2.0 ports.
It seems that CentOS does not provide ready-to-use dd-able USB images for ...
3
votes
1answer
2k views
My VirtualBox Virtual Machine doesn't detect my USB attached disk
I'm using the latest version of both Virtual Box (4.1) and CentOS (6.2). I would like my Western Digital USB drive to be recognized by my VirtualBox guest operating system.
My host system, Windows ...
3
votes
1answer
95 views
What is the service that's responsible for automounting a USB drive in CentOS 6.4?
I know of the legacy Linux way of mounting a USB stick or drive: mount /dev/sdb1 /mnt/
But in some CentOS 6.x installations I saw, you just insert the USB stick and CentOS automagically mounts it, ...
3
votes
1answer
39 views
Grub2, boot into existing OS option?
I've got Grub2 installed on a USB stick, and I want to add an entry to the grub.cfg that will boot in to another bootloader e.g. grub on the main harddrive.
Like how the Windows 7 install disk will ...
3
votes
2answers
2k views
Automount external storage as user readable and writable in Debian XFCE?
I have Debian Wheezy installed with the latest XFCE desktop environment.
In the XFCE settings, I specified that external media be automounted upon insertion.
However, when I plug in my USB stick, it ...
3
votes
1answer
730 views
Ubuntu 11.04 and large external drives
I have a Hitachi USB external 3 terabyte drive attached to a Dell Precision T1500. When connected to the computer running Ubuntu 11.04 (2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:17:25 UTC 2011 ...
3
votes
1answer
122 views
Adding efficient storage to a laptop-based system
I've recently asked an as-yet-unanswered related question.
My question here is a bit different: I want to know the best way to add storage to a laptop-based system without sacrificing power ...
3
votes
1answer
34 views
How to guarantee writes are physically committed before reported completed?
When my system boots, as it probes the external, USB-attached hard drive, I get the message Assuming drive cache: write through in the dmesg output, tagged with the device name of the external drive.
...
3
votes
3answers
7k views
How do I remove a Read-only file system from a usb drive
During an ill-fated attempt to get tinycore linux to boot from a USB drive I managed to create a bunch of files that I now cannot remove.
fortino@rebel:/media/working/boot/isolinux$ rm *.*
rm: ...
3
votes
1answer
2k views
Pen Drive Not detected in Linux
I inserted a new pendrive. The following is the dmesg output:
[127321.248105] usb 2-2: new high speed USB device using ehci_hcd and address 9
[127321.380898] scsi11 : usb-storage 2-2:1.0
...
3
votes
1answer
248 views
GRUB on MBR of Windows-only internal drive, with distros on external drive
I think what I want to do is long and convoluted; then again, it might be somewhat easy, and I'm just overthinking it.
Here's the setup I want to achieve:
The internal drive (sda) is one giant ...
3
votes
0answers
489 views
Problems copying large files to USB drive
I've got some issues when copying larger files to my USB drive. First of all, my system stopped recognizing my USB drives automatically. I now have to run modprobe usb-storage in order for my USB ...
2
votes
2answers
737 views
can't change file permission
Whenever I create or copy few shell files to usb storage device, then I am not able to make them executable.
If I create test.sh, it's default file permission will be 644, but when I execute
...
2
votes
2answers
780 views
How do you format a USB stick after it is being labled “unrecognised” by Ubuntu?
I have a memory stick which I had cleaned of old data fragments.
The memory stick was mounted on /dev/sdc1 so I did:
dd if=/dev/zero of=/dev/sdc1 bs=1M
After the task was complete, my usb memory ...
2
votes
2answers
2k views
Eject USB drives / eject command
I know that the eject command can be used to eject almost any hardware component attached, but can it be used to eject USB drives?
Is it possible to eject USB drives and external HDD's with the eject ...
2
votes
2answers
300 views
USB external drive not working
I have an external usb drive that is not working properly:
Jun 13 10:36:38 sleipneir kernel: [ 1022.548241] usb 1-3.1: new high speed USB device using ehci_hcd and address 28
Jun 13 10:36:38 ...
2
votes
2answers
857 views
Is my USB hard disk dead?
My USB hard disk started to make some beep type of sound and then stopped working.
I have to replug the hard disk to make it work again. After some time same sound is heard and again it stops ...
2
votes
2answers
284 views
How should I install Fedora or any other Linux in USB hard disk and configure booting?
I want to install Fedora or any other Linux in USB hard disk. I have Windows XP installed in internal HDD.
When USB HDD is attached to my PC, it
should ask me to boot from Win XP or
Linux.
...
2
votes
2answers
372 views
Installing opensuse through an USB
Can anyone explain BRIEFLY as to how to install OpenSUSE through an USB?. I searched in lot of forums, but i couldn't find anything helpful. Moreover, there was something written about installing it ...
2
votes
1answer
491 views
How to fix hard-disk error connected by usb?
My system is Linux 64bit, my hard-disk is a 1TB WD HD, connected to my computer by USB3.0. I found some files cannot be copied, they are video files, and it seems I can play the video. I ran e2fsck ...
2
votes
2answers
1k views
Install Chromium OS without USB Disk
You seem to need a 4GB USB disk or flash drive to install Chromium OS onto before you can install it to your hard drive. Is there a way to install Chromium OS onto your hard drive without a handy 4GB ...
2
votes
1answer
124 views
Is it possible to create a bootable usb from a partition?
Is it possible? How hard would it be to do so?
2
votes
1answer
176 views
Build a “live USB stick” image without actually using a stick
We're trying to build a customized installation stick for putting linux on our embedded product. We're wanting to build it from scratch every time -- that is, pull RPMs out of a (local) repository.
...
2
votes
3answers
754 views
Loss of disk access on external USB system/boot drive
I'm running ubuntu 10.10 on a Dell D400 laptop. I'm booting and running the system from LVM volumes on a WD Scorpio Blue 2.5" drive mounted in a NexStar3 USB enclosure.
For the most part, this works ...
2
votes
2answers
2k views
Formatting external drive in CentOS previously used on OS X
I have a USB key they I want to use on a CentOS box. The USB key was previously used on OS X so I want to erase it to make it writable by CentOS.
Can someone help me with the commands I need to run?
...
2
votes
0answers
75 views
Permission rights on automatic directories inside /media
I got a permission denied when I am trying to cd inside a directory.
I could chown it for my user, however I'm wondering if the problem is elsewhere:
The directory in question is an automatic ...
2
votes
1answer
625 views
Linux on Hard Drive Partition, Bootloader on USB Flash Drive
How can I use a USB flash drive to boot Linux from a partition on (another) hard drive?
I'm trying to install Linux on an encrypted partition on the hard drive (using LVM on LUKS).
Since /boot must ...
2
votes
0answers
161 views
Making USB drives readonly on an specific USB port or for an user account
I have a Multiseat machine and the second seat has USB access from a signle port by HUB (a Keyboard and a mouse are connected to it).
I need make all storages drives that is connected to to this HUB ...
2
votes
1answer
807 views
slitaz 4.0 grub2 loopback concatenate multiple initrd images
I'm trying to get slitaz 4.0 ISO to boot using a grub2 loopback on a multiboot USB;
insmod font
if loadfont /boot/grub/unicode.pf2 ; then
insmod gfxterm
# insmod efi_gop
# insmod efi_uga
...
2
votes
0answers
730 views
Stuck at “Attached SCSI removable disk” trying to install Linux Mint
I bought a new laptop the other day, and now i'm trying to dual boot Linux Mint with Windows 7, which is already installed.
I initially used UNetBootin to put the .iso onto a USB.
Rebooted with the ...
2
votes
2answers
461 views
slitaz cooking grub2 loopback
I'm trying to get slitaz cooking ISO to boot using a grub2 loopback on a multiboot USB;
# /boot/grub/grub.cfg
insmod font
if loadfont /boot/grub/unicode.pf2 ; then
insmod efi_gop
insmod ...
2
votes
0answers
248 views
Automatically update MPD database upon external storage insertion
I have an Alix board in my living room running Voyage MPD edition and acting as jukebox.
In order to play "guest" music, I would like that MPD automatically updates its database with the content of ...
2
votes
0answers
222 views
`power/persist` file not found in USB device sysfs directory
The file /usr/share/doc/linux-doc/usb/persist.txt.gz mentions that the USB-persist capability can be enabled for a given USB device by writing 1 to the file persist in that device's directory in ...
2
votes
0answers
553 views
power management of USB-enclosed hard drives [closed]
With a typical USB hard drive enclosure, is the full range of drive power management functionality available?
edit: moved this into a separate question:
In what may be an unrelated matter: is it ...
1
vote
1answer
160 views
Why is my unmounted USB disk still seen by `fdisk`?
I've mounted my USB disk to /mnt/kingston/ dir, and umounted it from there by typing in umount /mnt/kingston/.
But I can still see my USB disk after issuing the fdisk -l command. Why?
If I type ...
1
vote
2answers
151 views
Deleting viruses from USB
When I use my USB drive on Windows computers, then return to my Linux computer, I find many extra files are added to the drive, often exe files and various folders.
Is it sufficient to delete the ...
1
vote
3answers
412 views
I am failing to delete a partition on a USB drive/stick
I got a partition that is probably created by dd, and is about 200MB on a 4GB USB stick. I am failing to delete it using GParted (the option is greyed on the right-click menu).
1
vote
1answer
3k views
How to restore a Fat32 filesystem under Linux
Here is what happened:
I used the Laptop and accessed some data on my usb stick. Then I closed the Laptop putting the system into sleep mode. The USB-Stick was still plugged in. After the laptop was ...
1
vote
1answer
235 views
Lost files copied to a USB ZIP drive on Ubuntu
I have a problem regarding copying of files using Ubuntu's copy feature.
The problems goes on like this:
I copy a specific folder to my ZIP drive by creating a new folder each day (Backup). Now copy ...
