NTP server is an essential component of ant Datacenter
To set up a NTP server, use the following steps
sudo timedatectl set-timezone Asia/Karachi
sudo apt update
sudo apt install chrony
sudo nano /etc/chrony/chrony.conf
server 0.in.pool.ntp.org
server 1.in.pool.ntp.org
server 2.in.pool.ntp.org
server 3.in.pool.ntp.org
allow 192.168.0.1/24
allow 192.168.1.1/24
allow 10.0.0.0/24
systemctl restart chrony.service
sudo ufw allow proto udp from 192.168.0.1/24 to any port 123
sudo ufw allow out 123/udp
sudo ufw allow out 53
# Chrony Commands
chronyc sources -v
chronyc activity
chronyc tracking
chronyc sourcestats -v
sudo chronyc ntpdata
sudo chronyc clients
Code language: JavaScript (javascript)Additional help:
https://chrony.tuxfamily.org/faq.html
https://ubuntu.com/blog/ubuntu-bionic-using-chrony-to-configure-ntp
https://www.vultr.com/docs/install-an-ntp-server-with-chrony-on-ubuntu-20-04/