Universal Serial Bus, an industry standard for serial communication.

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1answer
134 views

Which is a faster USB protocol RS232 or PS/2 [closed]

A manufacture just asked me For the USB interface , we have two communication protocols , one is USB to RS232 , one is USB to PS/2 . Which one is faster? This is a USB Devise.
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3answers
691 views

Disabling USB/removable devices in software

How can I truly disable USB/removable drive support purely with software? On Windows for example I know I could disable the relevant hardware in device manager, and users would not be able to ...
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1answer
1k views

detect specific device is USB / SATA apart from dmesg output

Suppose in a linux machine you have both SATA and USB devices present, and if they are all detected properly, how do you know whether a specific device(sda1/ sdb1) is USB device OR SATA device. Note: ...
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3answers
2k views

Error 11 Source Disk Windows Server 2008 R2 At LOGIN?? when using USB Drives (not bad drives)

We have been experiencing a VERY odd error and I have no idea where to go from here. When users are logging in to a Standalone Windows 2008 R2 server in workgroup configuration, it causes the ...
3
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1answer
541 views

Looking for a USB GSM modem, compatible with Solaris 10 (sparc)

Seven months on SF, and my first question. I do hope someone has an answer, as I'm at my wits' end. I have a Nokia 6310i connected via RS232 cable to a Solaris 10 system, for sending SMS messages ...
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1answer
185 views

New Raid-1 array rebuilding 2nd time after activation

I created a sofware raid-1 from existing data partition using this howto. Both disks are usb 1TB disks, (each had already two partitions and I used 2nd from each, they have same size) So I simply ...
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3answers
1k views

Server System drive on a USB stick? Good? Bad?

This is a follow up to this question. I am assembling a storage server with 14 SATA drives. I don't want to "waste" a drive for the OS system, so I thought I could isntall and run the OS from a USB ...
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1answer
399 views

How to create a virtual ethernet card for SSH tunneling through USB device? [W7]

I have an SSH tunneling that is connected to an USB device that is connected to the Internet. How can I configure a virtual ethernet card that get everything to 127.0.0.1:1080?
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4answers
6k views

how to boot and install opensolaris using USB drive

I have a server that does not have a CD/DVD drive.. How can opensolaris be installed using USB interface? specifically what tools/steps that need to be performed to prepare USB flash drive as install ...
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2answers
2k views

Copy large amount of small files using robocopy from USB disk to SATA disk

Would specifying the /MT option in robocopy give me better or worse performance, when copying a large amount of smaller files (~10-150kB) from an USB attached drive to an internal SATA drive? Should I ...
0
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1answer
199 views

Windows. Setting user permissions on usb peripherals

At work, I finally got the right to have a Debian installed into a Virtualbox on a Windows XP host. The USB access does not work in my Debian because it requires authorization from the system admin ...
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3answers
340 views

P2V conversion with VMM to a USB Drive

For testing purpose, I would like to be able to do P2V conversion thanks to VMM by creating the VM on a USB Hard Drive. VMM (I guess due to Hyper-V) does not show my USB Hard Drive in the hard drive ...
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1answer
499 views

Why does my external USB hard drive refuse to unmount after transferring large tar files to it?

I recently need to transfer large tar files to an external USB hard drive from one Red Hat ES 5 server to another (neither with network connectivity). Originally I was trying to move ~90gig tar file ...
0
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2answers
1k views

Which motherboards support ECC RAM and USB 3.0?

I'm gathering specs to build a highly reliable file server, somewhat future proof for the next 3-5 years. The component I'm starting with is the motherboard. Are there motherboards that have been ...
0
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1answer
2k views

How can I allow non-administrators to use port-specific USB devices that require a driver-reinstall for each new port?

Is there a way to give non-admin users the right to (re-)install drivers for a port-specific USB device so that they do not need an administrator login every time they plug the same device into a ...
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3answers
200 views

Can USB powered device affect longevity of the port?

Looking to purchase a new DVD Writer for the first time, I notice there are USB powered devices available which do not require an external adapter/power-supply. This may be sufficient for stuff that ...
3
votes
3answers
525 views

Is an Ethernet point to point connection without a switch real time capable?

In automation and control, it is commonly stated that ethernet can't be used as a bus because it is not real time capable due to packet collisions. If important control packets collide, they often ...
0
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1answer
1k views

Set custom mount point and mount options for USB stick

I have an USB stick which contains private stuff like the SSH key. I want to mount this stick to my own home directory with 0700 permissions. Currently I do this with this line in /etc/fstab: ...
3
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4answers
370 views

optimal folder structure for storing 100k files on a USB drive

I need to store 100k files (around 40GB) in a USB drive. Each file has a unique int id (e.g 45000). Option one is to put all files in a single folder: root/ root/1.pdf root/2.pdf root/3.pdf ... ...
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2answers
723 views

Does mdadm allow to mix sata drives and USB -> sata drives?

I have a working Linux MD array of five drives. We are running out of space. The server doesn't have big usage but it does have to be online. We can't add another controller. Can I add capacity by ...
1
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1answer
8k views

ASA's USB ports

I have three USB ports on my Cisco ASA 5505. All Cisco documentation that I've found says that they're for 'future use'. Anyone know if this has been updated? Or if it will be?
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2answers
4k views

how to find usb storage devices on esxi server?

We are looking at temporarily mounting an external hard disk on USB to an ESX1 v4 server from VMware. In /var/log/messages, we see the messages of the device being connected, but we cannot figure out ...
0
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1answer
230 views

How well does Cocoa allow auditing of I/O to USB, FireWire and optical media on a Mac?

I have a client who wants us to lock down the Mac laptops we're using to access his data. He wants an audit of all files read and written from removable media (USB, FireWire, optical). I have a ...
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3answers
411 views

Looking for a way to audit/monitor removable media on a Mac

We have a client who's requiring that we implement dataloss prevention on workstations that are accessing their project's data. If Alice attaches removable media (USB, FireWire, CD, DVD) to her ...
0
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1answer
766 views

Graceful Shutdown of Ubuntu Machine with APC UPS - Network to USB Cable

So I have two APC UPS devices: Back-UPS ES 500 and 725. These two UPSes work fine but recently we had an extended outage and both of our servers connected to these UPSes shutdown and one of them had ...
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1answer
470 views

TCP/IP Printing Issue in Windows Server 2008

I am running Windows Server 2008 R2 Entrprise in a VM on my laptop. I am having problems setting up a printer. It's an HP PSC 1355 - drivers were installed automatically when I plugged the device into ...
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3answers
3k views

Is it possible to make a USB port provide access to a file system?

This is a weird one. Allow me to clarify, I have a Debian Linux file server - and I need to access some files from it. Usually, I would just use a network for this (wifi, ethernet, etc) but ...
1
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1answer
625 views

Using Wireless on Windows Server 2008 R2

I've got EDIMAX EW-7318USg - USB network adapter, it works fine in Windows 7 but somehow i couldn't get it to work on my Windows Server 2008 R2 ? Has anyone tried to use Wireless LAN in Server 2008 ...
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3answers
1k views

Autodetect/mount SDCards and run script for them on Linux

I'm currently running SME Server, and need to have a script run upon the attachment of SD Cards to my server. The script itself works fine (it copies the contents of the cards), but the automounting ...
0
votes
2answers
3k views

TTY “Serial” Terminal over USB?

I have a few servers in a rack that like to drop their network connection, requiring a restart and/or handheld intervention. I purchased a Linksys NSLU2 and installed Debian on it in order to create a ...
0
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4answers
1k views

Slow backup rate for fileservers using external hdd

I inherited a backup plan from the previous sysadmin that looks like this: Backup each 150GB of data from two fileservers to two 3.5in external harddrive (USB 2.0) by mapping the data partitions ...
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2answers
643 views

Disable thumb drives, but allow other mass storage USB devices on Linux

I have a requirement to disable USB thumb drives, while still allowing other USB devices such as a portable hard drive. Is there a way to do this in Linux? I know the Windows side has some ...
4
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1answer
3k views

Our embedded linux system won't recognize a USB Device if it is plugged in before powerup. Suggestions?

We are developing on a small embedded device. This device us a gumstix overo board running OpenEmbedded linux. We have our development almost completely done, and have run into the strangest of bugs ...
2
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1answer
981 views

Prevent specific USB Mass Storage mount with udev on Ubuntu?

On Ubuntu 10.04, I have a USB 3G dongle which presents itself initially as a USB Mass Storage device with Windows drivers. usb_modeswitch can be used to get it to present itself as a modem, but the ...
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4answers
240 views

Install Ubuntu on USB drive then put back HD inside computer?

I would like to install Ubuntu on a hard drive that is accessed via USB. Then, when all is OK, replace the computer hard disk with that one that was USB-connected. (Computer used for USB ...
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5answers
2k views

Is it ok to backup a server to USB disk?

My company recently wasted a lot of time restoring data from corrupted USB disk backups. Everyone here is now keen to prevent the same happening again - but before buying the $5K tape drive now ...
0
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1answer
99 views

Miroring usb drives (master/slave, booting linux from them)

I have a small server that boots from a usb drive and i would like to protect myself from the drive dying. I can't add another hard drive. My question is: can i add one or two usb sticks of the same ...
2
votes
2answers
970 views

Auto-mount USB drives in Ubunto 10.04?

I have a cron-scheduled backup task, that writes to a USB drive. (It's a SATA drive stuck in an external dock that is connected to my machine via USB.) This usually auto-mounts at /media/backups ...
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votes
4answers
1k views

Linux console - programmatical detection of which device a USB storage is assigned to

Every morning 9am we plug an external HD to our office server (always to the same USB port). Every day the HD is new, but all of them are made by the same manufacturer (Freecom). Everyday at 12am, a ...
0
votes
1answer
53 views

What software can I use to send a USB device over the network from a debian server to a windows client?

I have a netbook with not much power, 1GHz CPU & 1G memory. I'd like to install a headless linux to it, either Debian or TinyCore, both of which use aptitude & dpkg. I'm not sure which ...
0
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1answer
451 views

USB drive only for Linux backups: To partition or not to partition?

I have a 2TB USB drive plugged into CentOS 5.5 that will be formatted with ext3 and will only be used for file-level backups. I've always partitioned my drives but a while ago when I had setup Amazon ...
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votes
1answer
222 views

unlock the usb port of Dell Laptop(WindowXP) [closed]

I am using a laptop, Dell630, Window XP. As my company policy, the computer is running a daemon program to lock the USB port. the USB device can only be read, can not be write. So I want to make it ...
1
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1answer
2k views

Linux USB/Serial port won't create a tty device in /dev

I am connecting a USB to serial driver port to my system and I get about halfway to where I need to go. When it is plugged in dmesg indicates: <6>usb 2-1: new full speed USB device using ...
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1answer
4k views

Windows Server 2003 not automatically assigning drive letter to external drives

My newly rebuilt Windows Server 2003 doesn't automatically assign drive letters to external usb devices. I have to manually open the Disk Management Console and assign it a drive letter every time. ...
0
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3answers
4k views

usb device -> block device mapping on Ubuntu?

Apologies if this is a duplicate, however. I have 2 usb mass storage devices, and I need to be able to work out which physical device maps to a block device. They are not both always present, so I ...
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2answers
500 views

connecting usb printer to linux ethernet port

I have wireless router WRT 54GS with DD-WRT and USB printer. I was thinking about installing CUPS on my old WRT and using usb to ethernet converter to connect my usb printer to network. Only part ...
2
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1answer
239 views

Can I make a Linux host appear to be a USB hard drive?

Is there a daemon or driver I can install on a Linux host -- in this case a Buffalo TeraStation, but I'm also curious about the general case -- which will allow that host to appear as a USB hard drive ...
0
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1answer
7k views

How to remount unmounted USB drive in Windows?

How to remount USB drive in Windows after it was unmounted, without unplugging and replugging again?
6
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4answers
4k views

How do you specify static mount points for removable usb drives?

I have a bunch of usb ports and hubs. When you attach usb thumb drives, Linux assigns them to virtual block devices on a first-come first-serve basis. It creates sdd, sde, sdf, and so on, regardless ...
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1answer
75 views

Card Reader and Software

I am looking for a card-reader solution that includes not only the physical card-reader but a method to read/program the cards. The end goal is have to give my end users a card-reader and then an ...