CentOS 8 chrony for ntp update

 1.  su -
2. dnf install chronyd
3. edit /etc/chronyd.conf

4. timedatectl set-ntp yes
5. chronyc -a makesetp
6. systemctl enable chronyd
7. systemctl restart chronyd

References
https://www.tecmint.com/install-chrony-in-centos-ubuntu-linux/

https://chrony.tuxfamily.org/faq.html
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