How to Install and Configure NTP Server on Ubuntu 22.04

Network Time Protocol (NTP) is used to synchronize the system clock with a reliable time source. This guide will walk you through the installation and configuration of an NTP server on Ubuntu 22.04.

Step 1: Update System Packages

Before installing NTP, update your system packages:

sudo apt update && sudo apt upgrade -y

Step 2: Install NTP

Install the NTP package using the following command:

sudo apt install ntp -y

Step 3: Configure NTP Server

Open the NTP configuration file:

sudo nano /etc/ntp.conf

Modify the server list to use reliable NTP servers:

server 0.pool.ntp.org iburst
server 1.pool.ntp.org iburst
server 2.pool.ntp.org iburst
server 3.pool.ntp.org iburst

Save the file and exit.

Step 4: Restart and Enable NTP Service

sudo systemctl restart ntp
sudo systemctl enable ntp

Step 5: Verify NTP Status

Check if the NTP service is running:

sudo systemctl status ntp

To check synchronization sources, use:

ntpq -p

Conclusion

You have successfully installed and configured an NTP server on Ubuntu 22.04. Your system time should now be synchronized with reliable time sources.