How to Use Lm-Sensors?

I wanted to install a package to monitor the temperature of my CPU called lm-sensors.

According to Synaptic, it's already installed.

Can someone give me some simple step-by-step instructions on how I can actually run it from the command line or otherwise?

5 Answers

Once lm-sensors is installed you need to reach for your terminal:

type

sudo sensors-detect

just press ENTER for everything it suggests (shown in Uppercase)

At the end it will ask you whether to add what it finds to /etc/modules. If you are happy with the findings type "yes".

More information about lm-sensors and how to tailor it for your system can be found on the lm-sensors installation wiki page

Typing

sensors

will display the values for the sensors detected previously.

e.g.

acpitz-virtual-0
Adapter: Virtual device
temp1:       +55.0°C  (crit = +90.0°C)
6

lm-sensors

is a set of tools to control and view sensors that may be present on your hardware. Included are several applications that run from the command line:

  • sensors: shows the current readings of all sensor chips.
  • sensord: daemon to periodically log sensor readings to syslog
  • fancontrol: calculates fan speeds from temperatures and sets the corresponding PWM outputs
  • pwmconfig: tests the PWM outputs of sensors and configures fancontrol
  • and more (see lm-sensors documentation for details)

To run these programs open a terminal and type the name of the application (including optional parameters, see manpages for details). This will give an output similar as shown here for sensors:

~$ sensors

k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:  +30.0°C                                    
Core0 Temp:  +30.0°C                                    
Core1 Temp:  +29.0°C                                    
Core1 Temp:  +36.0°C                                    

it8718-isa-0228
Adapter: ISA adapter
[...] # shortened

Configuration of lm-sensors is done by configuration files in /etc/sensors3.conf and in /etc/sensors.conf (for details see manpage for sensors.conf).

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