[ubuntu] how to run i8kutils-37 for dell fan control?

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http://ubuntuforums.org – As many ubuntu users i am struggling with a fan that is always on full speed. Launchpad now suggested a specific solution for dell laptops that needs to be installed called 'i8kutils-37'. I've downloaded the package and read the readme file but I don't understand how to install it. Can someone help me? Package can be found on https://launchpad.net/i8kutils. I think it also needs root access, but how do I get this? Tx for helping me out, Cozze (Hardware)