NTP setup

On the virtual appliance (it is Debian based) is used systemd for NTO synchronisation .

Under root:
  1. set your own NTP servers in /etc/systemd/timesyncd.conf, item NTP and FallbackNTP

  2. restart systemd-timesyncd service: 
    systemctl restart systemd-timesyncd
  3. check if thta is working: 
    timedatectl  

                  Local time: Tue 2025-09-30 10:11:02 UTC
              Universal time: Tue 2025-09-30 10:11:02 UTC
                    RTC time: Tue 2025-09-30 10:11:02
                   Time zone: Etc/UTC (UTC, +0000)
   System clock synchronized: yes
                 NTP service: active
             RTC in local TZ: no