Friday, June 28, 2013

How to check server temperature

I have a Dell PowerEdge 6850 machine installed with RH Enterprise Linux4. 
Kernel is 2.6.9-42.0.10.ELsmp #1 SMP 

How do I check the server temperature? 
Linux provides a nice and useful app to monitor your CPU temperature called 
lm_sensors. 

Installation is simple: 

1. Install the package via your package manager (for example yum) 

yum install lm_sensors 

2. Run the sensors detector 

sensors-detect 

Fallow the on screen instructions. 
This will instruct you to add to /etc/modprobe.conf something like : 

#--cut here-- 
# I2C module options 
alias char-major-89 i2c-dev 
#--cut here-- 

3. Start the lm_sensors service 

service lm_sensors start 

4. Now to get the sensor data 

sensors 

This will list all available sensors and provide the data from them.
lm-sensors has the capability to detect, display and configure monitoring parameters for your Linux system for details. Please read how to configure lm-sensors. 
You can learn more about lm_sensors here http://www.lm-sensors.org/

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