TCP has error detection (an correction by retransmission). But nevertheless I would recomend using tar -v and checking the last transmitted file for correct length, because netcat doesn't detect end-of-file on input (and manual says it's a feature).
In case of NVidia's cards, free nv driver is actually faster than proprietary nvidia at 2D (which you probably use most of the time...). And also free driver doesn't randomly break random parts of kernel.
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TCP has error detection (an correction by retransmission). But nevertheless I would recomend using tar -v and checking the last transmitted file for correct length, because netcat doesn't detect end-of-file on input (and manual says it's a feature).
In case of NVidia's cards, free nv driver is actually faster than proprietary nvidia at 2D (which you probably use most of the time...). And also free driver doesn't randomly break random parts of kernel.