Fan speed control of a Dell PC in Linux Distrubition

1. Install gkrellm application from the package manager or the link below:
http://linuxappfinder.com/package/gkrellm

2. Install gkrellm-i8k or i8kutils plugins:
Here the links for download, you can also search them from your package manager:
* Debian package - gkrellm-i8k_2.5-1_i386.deb
http://packages.debian.org/lenny/i386/gkrellm-i8k/download
* Red Hat package - i8kutils-1.25-16.i586.rpm
http://fr.rpmfind.net/linux/rpm2html/search.php?query=i8krellm.so

3. Then try following:
Type in terminal sudo modprobe i8k force=1
Edit /etc/modulesand add i8k force=1 to the end of the file.
Another way if /etc/modules does not exist is editing the file /etc/rc.local and adding modprobe i8k force=1

You may also need to configure your GKrellM application for Dell I8K Plugin.