Difference between revisions of "CPU Temperature"
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*Next, run "sudo /etc/init.d/module-init-tools". This will read the changes you made to /etc/modules in step 3, and insert the new modules into the kernel. | *Next, run "sudo /etc/init.d/module-init-tools". This will read the changes you made to /etc/modules in step 3, and insert the new modules into the kernel. | ||
*Run "sensors" to get temperature readings. | *Run "sensors" to get temperature readings. | ||
| + | |||
| + | It is useful to have this running continuously and also have it logging to a file. The following file will record the output of sensors and uptime (so you can monitor the load and get a timestamp) in a file, every 30 seconds and display it on the screen (thanks to the magic of tee and an infinite loop). | ||
| + | |||
| + | while [[ true ]] ; do uptime ; sensors ; sleep 30s; done | tee temp_load.log | ||
| + | |||
==More Information== | ==More Information== | ||
The ubuntu-maintained page can be found [https://help.ubuntu.com/community/SensorInstallHowto here.] | The ubuntu-maintained page can be found [https://help.ubuntu.com/community/SensorInstallHowto here.] | ||
[[Category:Tech support]] | [[Category:Tech support]] | ||
Revision as of 13:41, 17 March 2011
Overview
Systems that freeze after a period of use (but not when started cold) may be having problems with overheating. This is especially true for laptops. You can use lm-sensors to determine the temperature of the CPU.
Using lm-senors
- Install and Configure lm-sensors
- Install the lm-sensors package (see InstallingSoftware).
- Run sudo sensors-detect and answer YES to all YES/no questions. I generally use the ISA bus rather than the SMBus bus, your choice to this question!.
- At the end of sensors-detect, a list of modules that needs to be loaded will displayed. Type "yes" to have sensors-detect insert those modules into /etc/modules, or edit /etc/modules yourself.
- Next, run "sudo /etc/init.d/module-init-tools". This will read the changes you made to /etc/modules in step 3, and insert the new modules into the kernel.
- Run "sensors" to get temperature readings.
It is useful to have this running continuously and also have it logging to a file. The following file will record the output of sensors and uptime (so you can monitor the load and get a timestamp) in a file, every 30 seconds and display it on the screen (thanks to the magic of tee and an infinite loop).
while true ; do uptime ; sensors ; sleep 30s; done | tee temp_load.log
More Information
The ubuntu-maintained page can be found here.