Tip of the Day: Use lm-sensors to Monitor Your Hardware

    sensors is a tool which will output the temperatures read from all your chip sensors. To get this utility, you will have to install the lm-sensors package. In Debian Lenny, issue the following command as root:

    apt-get install lm-sensors

    This package contains the sensors tool, which if ran will output voltages and temperatures for your CPU, graphics card, and so on.

    Next, we will make a simple script which will trigger sensors every five seconds, so you will be able to monitor your system in different load times:

    #!/bin/bash

    i=0
    while [[ 1 -eq 1 ]]; do
    clear
    echo "Running sensors..."
    echo -e "Elapsed time: $i seconds\n"
    sensors
    echo "Use ^C (CTRL+C) to stop"
    sleep 5
    i=$(( $i + 5 ))
    done

    This script will run the sensors utility every five seconds. You can save it under a suggestive name,
    say cputemp.sh, make it executable (chmod 755 cputemp.sh) and put it in a directory in your path
    (e.g. ~/bin/, where ~ is your home directory).
    Source URL: http://ashesgarrett.blogspot.com/2009/01/tip-of-day-use-lm-sensors-to-monitor.html
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