Acer Aspire One fan control in Ubuntu

This setting will shut down Acer Aspire  One’s noisy fan when the CPU temp is low, and will only spin up if the CPU temperature rises above the default threshold of 60C

Tested on AOA110, should work in 150 as well; Tested on Ubuntu 14.04 and 15.04

$ sudo -i
# echo "options acerhdf kernelmode=1 fanon=60000 fanoff=55000" >> /etc/modprobe.d/local.conf
# modprobe -r acerhdf
# modprobe acerhdf
# exit

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