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Graphics-intensive applications such as games will not perform well, as all the display information will have to be pushed over the network by the server. This is hundreds of times slower than driving a local graphics card. Playing action games, however, is not a goal of the Edubuntu lab project.

Although I am quite familiar with DRBL, since I was running an experiment about Linux Diskess Gaming Server and Client last year at local exhibition (you can read about it here : Diskless Linux Gaming Client ), but this tutorial down here is quite easy and simple to follow it. So enjoy your reading