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Config:
/etc/ntp.conf
Commands:
ntptrace #Show sync stats watch -n1 -d ntptrace #Show continiously sync stats ntpq -p #NTP query program ntpq –pn #NTP query program. showing IP instead of DNS name
“offset”:
Shows timedifference between reference time (timeserver) and system time
“jitter”:
Gibt die Größenordnung der Schwankungen zwischen einzelnen Zeitvergleichen an.
Check from a Linux-Client:
vi /etc/ntp.conf #Select NTP-server you want to check date -s "1974-01-04" date --set="2 OCT 2006 18:00:00" date +%T -s "20:46:05" service ntpd restart systemctl restart ntpd.service date timedatectl set-timezone Europe/Berlin timedatectl dpkg-reconfigure tzdata