Ubuntu-user,
Although there are some user who might have experience success while using National Instruments products with Ubuntu, the Ubuntu distribution of Linux is not officially supported by National Instruments. The following document covers the distributions of Linux that are supported.
What Linux Distributions Do National Instruments Drivers and Software Support?
http://digital.ni.com/public.nsf/allkb/4857A755082E9E228625778900709661?OpenDocument
You might find some better information if you post this question to the community discussion for Linux users
Community: Group: Linux Users
https://decibel.ni.com/content/groups/linux-users
Regarding the how to program the USB using C++. Please refer to this forum.
how to program USB-6009 with visual C++ - Intro - Discussion Forums
http://forums.ni.com/t5/Instrument-Control-GPIB-Serial/how-to-program-USB-6009-with-visual-C-Intro/t...
Warm Regards,
William Fernandez
Applications Engineering
National Instruments
www.ni.com/support
