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I have an /archive partition on my hard drive containing all my personal files, projects, papers, etc. which I would like to present as a "flash drive" via the USB port of my computer, so that additional periphery that I plug into this USB port thinks that a USB stick has been plugged into it [the periphery].

Is this possible? If yes, how?

Solutions involving hints towards new code are of course welcome, if no complete software solution exists.

(I am using Ubuntu 12.04)

EDIT: I found this thread,

Simulate a USB flash drive with PC

giving a negative to the above question. So, are there USB "on the go" USB sticks with a buffer?

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Your question is not clear. Why do you want to treat a physical hdd as a removal drive, when when using linux, its already possible to deattach a parition on a physical drive. –  Ramhound Mar 4 '13 at 12:35
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migrated from stackoverflow.com Mar 4 '13 at 9:48

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1 Answer

So you want the Hard Drive partition to be exposed via a USB port so that you can effectively plug it in to another computer or TV?

As the other question suggested, I don't think this is easily done directly as you need a "USB Host" interface to do this whereas the PC USB ports are a consumer rather than a host.

However, there are two possible tricks you can do.

Firstly, you might try an "Easy Transfer" cable, sometimes called a "direct transfer" cable. These have some basic circuitry for transfering files between 2 computers. They may or may not work very effectively. Personally I've never tried one.

Secondly, you could use something like an EyeFi card which connects from USB to Wi-Fi rather than USB to USB.

Of course, if both devices has network cards, then a network cable or a shared Wi-Fi connection will always be better and more reliable.

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While you are basically trying to say the right thing your terminology is wrong. The PC provides the USB host as it has control over the bus. A USB host is something you can connect other USB device to. –  André Stannek Mar 4 '13 at 22:36
    
Actually, there is a terminology clash at work. If you look at mobile devices, "host mode" refers to making an external USB device (storage) available to the device - the reverse of the normal for mobile devices. On a PC, the USB Host is controller for the USB connections. In this instance, the OP is needing a PC to act as a USB host to another device. –  Julian Knight Mar 4 '13 at 22:41
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