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Just Another Tech Blog

Anything and everything having to do with technology, computers, science, and most of all... Linux! The documentation of my Linux endeavor.

How I installed lm_sensors for use with SuperKaramba

Tuesday, June 20, 2006

For a while now, I have been desperately trying to install lm_sensors, the Linux Hardware Monitoring System, so that I could view my CPU's temperature from a nice SuperKaramba system monitor (SystemXinfo by E@zyVG, modified slightly by me).... and today at 8:40PM I have succeeded! Let me show you how to install lm_sensors on a SuSE Linux 10.0 system.

A. Run the following command (as root):

rpm -qa | grep lm_sensor

If this search finds nothing, skip to step 1. If this search finds lm_sensors, but lm_sensors appears not to work, run the following command(once again, as root):


This will take you through a series of configuration questions. Just accept the defaults unless you see something that you see something you don't like. To view the configuration, open the sensors.conf file in the /etc directory. If you need help configuring, don't ask me. My limited knowledge about editing configuration files will not help you. But, you must run:

sensors -s

As root for the set values to take effect (Learn more about this by reading the sensors.conf file).

Now to if you don't have lm_sensors installed already (as in my case).

1. Download lm_sensors from the lm_sensors website, or follow this direct link to download.
*Note: You may notice that the site says one must install i2c for lm_sensors to work. You DO NOT have to worry about this, if you are using SuSE 10.0 (which runs a kernel of 2.6.x.x), i2c is already part of the kernel tree. If you are running a kernel below 2.6.x.x you WILL need to install i2c.

2. Run the following command (as root) to see if bison is installed:

rpm -qa | grep bison

If nothing is returned, you need to install bison. Direct link to download: here.

3. Extract the lm_sensors package (keep it in the home folder, it doesn't' really need to go anywhere else.

4. Now, cd to the directory where you extracted the lm_sensors package. Then, (as root) run the following commands:

make user


make user_install

5. Ok, lm_sensors has now been installed! Now, run through the configuration in step (A), just leave out the rpm -qa part seeing as lm_sensors was not installed via RPM. Ok! Congratulations! lm_sensors has now been successfully installed and configured!

To get super karamba themes to view the sensor output, look for something like this in the .theme file (you can edit these files by opening them with Kate):
text x=30 y=145 value="Temp CPU:"
text x=99 y=145 sensor=sensor type="temp1" format="%v"

Edit the type="temp1" part with something like "cpu1" to get the output right.

Enjoy your new power to view thetemperaturee of your CPU (from nice SuperKaramba theme!) without having to view the bios of your mother board! I hope this helps!

Of course, I couldn't have done any of this without the kind help of people at the SuSE Linux Forums! Thank you!

Note: This is exactly how I installed lm_sensors, and how I got it to work. On different systems, or different SuSE versions, things may work a bit differently, but this is basically what one must do to get a basic working install of lm_sensors.
posted by linnerd40, Tuesday, June 20, 2006


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