equivalent for speedfan on linux

ksensors (0.7.3-15ubuntu1) [universe] lm-sensors frontend for KDE

libsensors-dev (1:2.10.4-1ubuntu1) lm-sensors development kit
libsensors3 (1:2.10.4-1ubuntu1) library to read temperature/voltage/fan sensors
lm-sensors (1:2.10.4-1ubuntu1) utilities to read temperature/voltage/fan sensors

sensors-applet (1.7.12+dfsg-1ubuntu1) [universe] Display readings from hardware sensors in your Gnome panel
wmsensors (1.0.4-6) [universe] WindowMaker dock applet for lmsensors
wmtemp (0.0.5-4) [universe] WM dock applet displaying lm_sensors temperature values
xfce4-sensors-plugin (0.10.0-2ubuntu2) [universe] hardware sensors plugin for the Xfce4 panel
xsensors (0.50-1ubuntu1) [universe] A hardware health information viewer



apt-get install package_name

at the command line will install "package_name" for you. The package names are listed above.

These are not indentical to speed fan but they work in a similar way.

GL

electric (6.05-3ubuntu2) [universe] electrical CAD system
pythoncad (0.1.35-2) [universe] Computer Aided Drafting (CAD) program
qcad (2.0.5.0-1-2ubuntu1) A professional CAD System
sagcad (0.9.6-0ubuntu2) [universe] CAD/CAM of 2D program
sagcad-doc (0.9.6-0ubuntu2) [universe] sagCAD documentation
sailcut-doc (1.2.4-2) [universe] Sailcut CAD documentation
varkon (1.18A-3ubuntu2) [universe] A CAD-system with parametric modelling
xtrkcad (20060529-2) [multiverse] Model Train Track CAD Program


http://sourceforge.net/projects/free-cad/

maybe these will help

http://www.youtube.com/watch?v=b9xcoKXs7rM


GL

http://wiki.archlinux.org/index.php/Fan_speed_control

That will give you all the info you need to get it running. I'm using this to control my old P4 rig and it works great. It'll take you a few minutes and a reboot or two to tweak the fan speeds and temps so thats it set how you want.