Setup

Htpdate is part of the ntppool project! Currently chronyd is configured without any servers (or peers)... just htpdate for time keeping.

System

Raspberry Pi 3 Model B+, Ubuntu server 20.04 64-bit

Server (serving time to ntp clients)

Chronyd 4.1 configured with,

local stratum 5
driftfile /dev/null

Client (synchronizing system time)

htpdate development release version 1.x.x running as follows,

htpdate -Dxd -p 7 -f /etc/htpdate.drift ... ...

Live graphs

ntp6.vervest.org statistics on NTP Pool

ntp6.vervest.org on the NTP pool