用 lm_sensors套件取得 cpu溫度
[1] apt-get install lm_sensors
[2] 執行 sensors-detect指令
此用來偵測設定值，全Enter即可，
之後它自已會將該要的module放於/etc/sysconfig/lm_sensors裡
[3] 載入/etc/sysconfig/lm_sensors裡的模組
指令如下
modprobe module1
modprobe module2
如果是 RPM安裝
service lm_sensors start
執行 sensors指令可看到溫度資訊
it87-isa-0290
Adapter: ISA adapter
VCore 1: +1.33 V (min = +1.42 V, max = +1.57 V) ALARM
VCore 2: +2.72 V (min = +2.40 V, max = +2.61 V) ALARM
+3.3V: +6.62 V (min = +3.14 V, max = +3.46 V) ALARM
+5V: +3.44 V (min = +4.76 V, max = +5.24 V) ALARM
+12V: +11.71 V (min = +11.39 V, max = +12.61 V)
-12V: -2.20 V (min = -12.63 V, max = -11.41 V) ALARM
-5V: -6.50 V (min = -5.26 V, max = -4.77 V) ALARM
Stdby: +4.89 V (min = +4.76 V, max = +5.24 V)
VBat: +3.25 V
fan1: 1739 RPM (min = 0 RPM, div = 8)
fan2: 1687 RPM (min = 3013 RPM, div = 8) ALARM
fan3: 0 RPM (min = 3013 RPM, div = 8)
M/B Temp: +25°C (low = +15°C, high = +40°C) sensor = thermistor
CPU Temp: +42°C (low = +15°C, high = +45°C) sensor = diode
Temp3: +33°C (low = +15°C, high = +45°C) sensor = thermistor
[4] 寫 script
vi temp_sensors.sh
#!/bin/bash
MB_TEMP=`sensors | grep "SYS Temp" | awk '{print $3}' | sed -e 's/^+//' -e 's/^-//' -e 's/°C//'`
CPU_TEMP=`sensors | grep "CPU Temp" | awk '{print $3}' | sed -e 's/^+//' -e 's/^-//' -e 's/°C//'`
echo $MB_TEMP
echo $MB_TEMP# 當有使用 snmp時，可忽略底下設定
#echo `uptime | awk '{print $3 " " $4}' | cut -d, -f1`
#echo `hostname`
[5] vi mrtg.cfg-temp
WorkDir: /var/www/mrtg/temp
#Language: big5
Target[temperature]: `sh /etc/mrtg/temp_sensor.sh`
RouterUptime[temperature]: cross@10.1.1.254
MaxBytes[temperature]: 100
Options[temperature]: growright, nopercent, gauge
#Unscaled[temperature]: dwmy
YLegend[temperature]: Temperature
ShortLegend[temperature]: °C
Legend1[temperature]: Mainboard(L1)
Legend2[temperature]: CPU(L2)
Legend3[temperature]:
Legend4[temperature]:
LegendI[temperature]: Mainboard(LI):
LegendO[temperature]: CPU(LO):
Title[temperature]: Temperature(Title)
PageTop[temperature]: <H1>Temperature(PageTop)</H1>
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