Check local time vs ntp server time,
ntp client check for PRTG returns error on too much drift
prtg_client_util ntp [flags]
-h, --help help for ntp
-m, --maxdrift duration max drift allowed, default 0 (disabled)
-n, --ntphost string ntp server to compare against local time (default "time.google.com")
-d, --debug command line output
-t, --timeout duration timeout string eg 500ms (default 500ms)
- prtg_client_util - simple prtg tests for remote nodes