NTP Server setup

Requirements

• A Linux system (e.g., Debian, Ubuntu, CentOS)

• Sudo or root access

• Internet connection

Steps

1. Install NTP

   • Update package list: sudo apt update (Debian/Ubuntu) or equivalent.

   • Install NTP package: sudo apt install ntp (Debian/Ubuntu) or equivalent.

2. Configure NTP Server

   • Edit the NTP configuration file: sudo nano /etc/ntp.conf.

   • Add NTP server lines, e.g., server 0.pool.ntp.org.

3. Start and Enable NTP Service

   • Start NTP service: sudo systemctl start ntp.

   • Enable NTP service on boot: sudo systemctl enable ntp.

4. Verify NTP Service

   • Check service status: sudo systemctl status ntp.

   • Check synchronization: ntpq -p.

5. Synchronize OS Clock

   • Manually update system clock: sudo ntpdate pool.ntp.org.

Additional Notes

• Ensure firewall settings allow UDP traffic on port 123.

• Regularly monitor service status and synchronization.