Replace '&>/dev/null' with '1>/dev/null 2>&1' (bashism).
Replace '&>/dev/null' with '1>/dev/null 2>&1' (bashism).

Signed-off-by: Diederik de Haas <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@cknow.org>

yodaaut/raspbian-ua-netinst