Question: 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 can only use when I am actually switched to it. So the only Use I can have so far is to have some text-based monitoring or console that I can watch while working on the graphic display. 

I know there are some development done for DisplayLink, but I never could get it to actually run properly. 

Yes, I tried the detailed setup described in other [posts](https://askubuntu.com/questions/3348/how-to-get-lilliput-usb-monitor-running-in-ubuntu), but they did not work, and instead crashed my X that I had to restore. 

Merci :-)

Answer: 
On Aug 3, 2015, Displaylink finally released the USB Monitor driver for Ubuntu. 

Link: <http://www.displaylink.com/downloads/ubuntu.php>

I have an AOC usb monitor and Ubuntu 14.04. After installing the driver, my usb Monitor start working. 

If the driver works for your monitor, please let other people know by posting it. Many people waiting for this driver. I've been waiting for 2 years. :-)
Don't forget to disable Secure Boot (UEFI) if you have it enabled.
Here's a guide:

<https://wiki.ubuntu.com/UEFI/SecureBoot/DKMS>