LibreNMS 自訂Custom OID
因LS-WVL SNMP無溫度輸出,使用自訂Custom OID紀錄溫度
/sys/class/thermal/thermal_zone0/temp為LS-WVL溫度值
編輯/etc/snmp/snmpd.conf
extend擴展記得included .1.3.6.1.4.1.8072.1.3
extend cpuTemp /bin/awk '{printf "%.2f",$1/1000}' /sys/class/thermal/thermal_zone0/temp
確認snmpwalk可以抓到cpuTemp
jason@test:~$ snmpwalk -v2c -c public 192.168.1.1 .1.3.6.1.4.1.8072.1.3
...
NET-SNMP-EXTEND-MIB::nsExtendOutLine."cpuTemp".1 = STRING: 54.31
新增Custom OID
圖表紀錄


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