Configuring the chronyd Service To configure the chronyd service on a system: Optional: If the chrony package isn't installed, run the following command. sudo dnf install chrony If remote access to the local NTP service is required, configure the system firewall to allow access to the NTP service in the appropriate zones. For example: sudo firewall-cmd --zone=zone --add-service=ntp sudo firewall-cmd --zone=zone --permanent --add-service=ntp Start the chronyd service and configure it to start following a system reboot. Note:By default, chrony is enabled after installation. sudo systemctl start chronyd sudo systemctl enable chronyd