我用我的 raspi 构建了 NTP 服务器,然后我使用 MRTG 来监控 OFFSET 和 JITTER,它工作正常。我之前的偏移值只是 +1000,因为可以显示负值。现在我想更改可以绘制负值的图表,所以我决定将 MRTG 与 RRDTool 一起使用并按照指南https://weberblog.net/basic-ntp-server-monitoring/?fbclid=IwAR3iV_rdwQK95axV8JWSmtBub9bhHtGbn9SGtLHSfSotsRXEVkO8YLuqZFM但它没有不工作。这是我的 mrtg.cfg
WorkDir: /var/www/html/mrtg
LogFormat: rrdtool
Target[ntp2-gps-offset-us]: `ntpq -c rv ip | grep offset | sed s/.*$
MaxBytes[ntp2-gps-offset-us]: 100000
Title[ntp2-gps-offset-us]: Offset µs -- ntp2-gps
Options[ntp2-gps-offset-us]: gauge
Colours[ntp2-gps-offset-us]: DARKPURPLE#7608AA, Blue#0000FF, BLACK#000000, Purple#FF00FF
YLegend[ntp2-gps-offset-us]: Offset in microseconds (µs)
Legend1[ntp2-gps-offset-us]: Offset
Legend3[ntp2-gps-offset-us]: Peak Offset
LegendI[ntp2-gps-offset-us]: Offset:
ShortLegend[ntp2-gps-offset-us]: µs
PageTop[ntp2-gps-offset-us]: OFFSET MONITOR
routers.cgi*Options[ntp2-gps-offset-us]: fixunit nototal noo
routers.cgi*ShortDesc[ntp2-gps-offset-us]: Offset µs ntp2-gps
routers.cgi*Icon[ntp2-gps-offset-us]: graph-sm.gif
Target[ntp2-gps-jitter-us]: `ntpq -c rv ip | grep sys_jitter | sed $
MaxBytes[ntp2-gps-jitter-us]: 100000
Title[ntp2-gps-jitter-us]: Jitter µs -- ntp2-gps
Options[ntp2-gps-jitter-us]: gauge
Colours[ntp2-gps-jitter-us]: TURQUOISE#00CCCC, Blue#0000FF, DARKTURQUOISE#377D77, Purple#FF00FF
YLegend[ntp2-gps-jitter-us]: Jitter in microseconds (µs)
Legend1[ntp2-gps-jitter-us]: Jitter
Legend3[ntp2-gps-jitter-us]: Peak Jitter
LegendI[ntp2-gps-jitter-us]: Jitter:
PageTop[ntp2-gps-jitter-us]: <H1>JITTER MONITOR</H1>
ShortLegend[ntp2-gps-jitter-us]: µs
routers.cgi*Options[ntp2-gps-jitter-us]: fixunit nototal noo
routers.cgi*ShortDesc[ntp2-gps-jitter-us]: Jitter µs ntp2-gps
routers.cgi*Icon[ntp2-gps-jitter-us]: link-sm.gif
这是我的结果。在此处输入图像描述