Disable wi-fi power saving on the Raspberry Pi

Occasionally when using a wi-fi dongle on the Pi, you may find that you lose connection when you’re not actively using the keyboard. This is because the dongle goes into ‘power saving’ mode and disconnects. This is obviously undesirable. Matt over at Raspberry Pi Spy has trawled the Foundation and Adafruit forums and found the solution: change the driver configuration. Read how to do it if you’ve got this problem.

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