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up vote 13 down vote favorite
7

How do I get the CPU temperature.

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3 Answers

up vote 18 down vote accepted

Install lm-sensors

sudo apt-get install lm-sensors

After installation type the following in terminal

sudo sensors-detect

You may also need to run

sudo service module-init-tools start

It will ask you few questions.Answer Yes for all of them.Finally to get your CPU temperature type sensors in terminal.

sensors

Output:

karthick@Ubuntu-desktop:~$ sensors
coretemp-isa-0000
Adapter: ISA adapter
Core 0:      +41.0°C  (high = +78.0°C, crit = +100.0°C)  

coretemp-isa-0001
Adapter: ISA adapter
Core 1:      +41.0°C  (high = +78.0°C, crit = +100.0°C)  

w83627dhg-isa-0290
Adapter: ISA adapter
Vcore:       +1.10 V  (min =  +0.00 V, max =  +1.74 V)   
in1:         +1.60 V  (min =  +1.68 V, max =  +1.44 V)   ALARM
AVCC:        +3.30 V  (min =  +2.98 V, max =  +3.63 V)   
VCC:         +3.28 V  (min =  +2.98 V, max =  +3.63 V)   
in4:         +1.85 V  (min =  +1.66 V, max =  +1.11 V)   ALARM
in5:         +1.26 V  (min =  +1.72 V, max =  +0.43 V)   ALARM
in6:         +0.09 V  (min =  +1.75 V, max =  +0.62 V)   ALARM
3VSB:        +3.30 V  (min =  +2.98 V, max =  +3.63 V)   
Vbat:        +3.18 V  (min =  +2.70 V, max =  +3.30 V)   
fan1:          0 RPM  (min = 10546 RPM, div = 128)  ALARM
fan2:        892 RPM  (min = 2136 RPM, div = 8)  ALARM
fan3:          0 RPM  (min = 10546 RPM, div = 128)  ALARM
fan4:          0 RPM  (min = 10546 RPM, div = 128)  ALARM
fan5:          0 RPM  (min = 10546 RPM, div = 128)  ALARM
temp1:       +36.0°C  (high = +63.0°C, hyst = +55.0°C)  sensor = diode
temp2:       +39.5°C  (high = +80.0°C, hyst = +75.0°C)  sensor = diode
temp3:      +119.0°C  (high = +80.0°C, hyst = +75.0°C)  ALARM  sensor = thermistor
cpu0_vid:   +2.050 V

To see HDD temperature Install hddtmp 

sudo apt-get install hddtemp

Output: 

karthick@Ubuntu-desktop:~$ sudo hddtemp /dev/sda        
/dev/sda: ST3160813AS: 34°C
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1  
I've often found that a) I don't need to run sensors-detect, they're just there automatically and b) if I do, I need to run it as sudo. – Scaine Dec 2 '10 at 8:42
Edited to echo @Scaine's comment and also to install hddtemp instead of hddtmp. – Oli♦ Dec 2 '10 at 9:45
This doesn't work on all hardware. On my system, sensors always shows a temperature of +40.0°C. – Keith Thompson Sep 6 '12 at 18:53
up vote 3 down vote

Quick command-line solution

cat /proc/acpi/thermal_zone/THRM/temperature.

Applet

If you are looking for a easier-to-access version, add a Hardware Sensors Monitor to Gnome-Panel:

  1. sudo apt-get install sensors-applet - this will install the sensors applet package

  2. Right-click the panel, select Add to panel..., then select this: alt text

  3. You're done. You can configure which sensors are displayed by right-clicking the applet and selecting Preferences->Sensors.

    alt text

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1  
Your command-line solution may not work for all.Because the path will be different for every kernel version. – karthick87 Dec 2 '10 at 10:02
Yeah it didn't work for me. – fluteflute Jun 1 '12 at 14:17
1  
My Ubuntu 12.04 system has no /proc/acpi/thermal_zone/THRM/temperature; in fact there's nothing under /proc named temperature. – Keith Thompson Sep 6 '12 at 18:56
up vote 0 down vote

computertemp is a simple applet that shows your current cpu temp + has some addidional features like alarms. Unfortunately it's not possible (or at least I don't know how) to change its background color, so it doesn't look very nice with the standard Ubuntu theme.

It can be installed the same way as the sensors-applet described in evgenys answer.


alt text

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