# /etc/chrony/chrony.conf
server ntp.dws.rip iburst
makestep 1.0 3
rtcsync

# Restart chrony
sudo systemctl restart chronyd

# /etc/systemd/timesyncd.conf
[Time]
NTP=ntp.dws.rip ntp-us.dws.rip
FallbackNTP=ntp-eu.dws.rip

# Restart timesyncd
sudo systemctl restart systemd-timesyncd

# Set NTP server
sudo systemsetup -setnetworktimeserver ntp.dws.rip
sudo systemsetup -setusingnetworktime on

# Verify
systemsetup -getnetworktimeserver

# PowerShell (Run as Administrator)
w32tm /config /manualpeerlist:"ntp.dws.rip" /syncfromflags:manual /reliable:yes /update
net stop w32time && net start w32time
w32tm /resync

# /etc/ntp.conf
server ntp.dws.rip iburst
driftfile /var/db/ntp.drift

# Enable and start
sudo sysrc ntpd_enable="YES"
sudo service ntpd start

Navigate to: System → Time Settings

Set NTP Server: ntp.dws.rip

Enable: NTP Client

# Example (pfSense/OPNsense):
System → Settings → General
Timeservers: ntp.dws.rip