https://blog.dan.drown.org/embedded-ntp-client-ntp-interleaved-mode-part-2/
Embedded NTP client/NTP interleaved mode, part 2
Mar 31, 2019 - Hardware transmit timestamps added to NTP client.
ntp clientembeddedmodepart
https://docs.librenms.org/Extensions/Applications/NTP%20Client/
NTP Client - LibreNMS Docs
ntp clientlibrenmsdocs
https://qask.org/ubuntu/2024/09/01/trying-to-script-ntp-client-settings
trying to script ntp client settings
ntp clienttryingscriptsettings