[lug] Time (again) sanity check

[John Hernandez]

Gary Hodges wrote:
> hodges at machine:~$ ntpq -p
>      remote           refid      st t when poll reach   delay   offset 
>  jitter
> ============================================================================== 
> 
>  mach.nv.doe.go 151.61.251.233   2 u   26   64    5    6.862    0.174 
> 11.644
> 
> Note that my machine is consistently 1 min 16 sec fast.  Also, while I 
> have changed the IPs and machine names, I left the last octets intact. I 
> have "server 151.61.251.231" in ntp.conf, but it shows up as .233 with 
> "ntpq -p".

.233 is the "refid", which indicates that server's primary reference 
source.  In this case, it's a system on (what appears to be) the same 
network.