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