Dell Vostro 5481 Ubuntu Noisy fans solution

dell-vostro-5481-noisy-fan.md

Make sure to disable secure boot in bios, otherwise /usr/local/bin/dell-bios-fan-control 0 will return a segfault.

cd /tmp
git clone https://github.com/TomFreudenberg/dell-bios-fan-control
cd dell-bios-fan-control
make
sudo cp dell-bios-fan-control /usr/local/bin/
sudo apt install i8kutils
sudo mkdir /etc/systemd/system/i8kmon.service.d
echo "[Service]
ExecStartPre=/usr/local/bin/dell-bios-fan-control 0" | sudo tee /etc/systemd/system/i8kmon.service.d/override.conf
sudo systemctl daemon-reload
sudo systemctl restart i8kmon