How to install & use lm-sensors

LM-sensors is used to monitor various sensors and alarms on your system such as CPU, motherboard and power supply temperatures, as well as fan speeds. It is an alternative to mbmon that support some hardware that mbmon doesn't support such as the ASUS P5P800-SE motherboard.

Knoppmyth R5A30.2, R5B7 & R5C7 come with an older version of lm-sensors installed. These instruction will take you to the latest version, which supports a broader range of chipsets.

1. Download version 2.0.0 of sysfsutils from http://sourceforge.net/project/showfiles.php?group_id=44427.
   1. Extract from tar file
   2. cd sysfsutils-2.0.0
   3. Run the configure utility: ./configure
   4. Do a build: make
   5. Install: make install
2. Download version 2.10.0 of lm-sensors from http://www.lm-sensors.org/wiki/Download.
   1. Extract from tar file
   2. cd lm_sensors-2.10.0
   3. Do a build: make user
   4. Install it: make user_install
   5. If you already had a file named “/etc/sensors.conf" it will not be overwritten with the latest configuration file used by lm_sensors, but a copy of this file will be placed in “./etc/sensors.conf.eg"¯. I copied this file over to /etc/sensors.conf
3. Download the latest version of the sensors-detect script from http://www.lm-sensors.org/browser/lm-sensors/trunk/prog/detect/sensors-detect?format=txt.
   1. Copy it to /usr/local/sbin/sensors-detect
4. Run sensors-detect
   1. Answer various questions about “probing" buses and chips with “yes".
   2. The script will the provide you with a list of modules that need to be loaded via “modprobe"¯. Do as the script says and add to a boot initialization script like “/etc/init.d/bootmisc.sh"¯. In my case I had to do the following:
      1. modprobe i2c-i801
      2. modprobe i2c-isa
      3. modprobe eeprom
      4. modprobe w83627efh
      5. modprobe w83627ehf
   3. Allow the script the generate a new “/etc/sysconfig/lm_sensors"
   4. As the script instructs, Copy prog/init/lm_sensors.init to /etc/rc.d/init.d/lm_sensors

• In KnoppMyth, there is no "/etc/rc.d/init.d"...use "/etc/init.d"

The only problem I ran into is that /etc/init.d/lm_sensors gives an error message. However, when I run “sensors"¯ from any shell, I still get a readout on fan speed, CPU speed, etc. Works great!