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Well, its that easy if you can live with slightly old version. There is CUDA package in official repo IIRC.

Yep, just apt-get install nvidia-cuda-toolkit. It's currently v5.5.22 (a mid-2013 version). Debian started working on a packaging of v6.x in the "experimental" repository a few weeks ago, which will probably migrate to regular Debian and Ubuntu releases once it's tested a bit.

Well it won't be in Ubuntu before 15.04 so it keeps consistent in lagging a year behind.

I actually tried this a few months ago. I had some issues trying to run the typical vector addition "Hello world!" examples on my system.

I'm not 100% sure but I also think that by installing the nvidia-cuda-toolkit package it leaves out the CUDA samples. These contain the deviceQuery and bandwidthTest scripts necessary to check that CUDA is functional.

Admittedly I have two consumer cards in SLI, so that may have affected the install. It could also have been incompatibility between the actual Nvidia display drivers and the various dependencies. It's a bit messy!

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