Install NTP:
yum install -y ntp
firewalld open service:
firewall-cmd —add-service=ntp —permanent
firewall-cmd —reload
Start and enable:
systemctl start ntpd;
systemctl enable ntpd;
systemctl status ntpd;
Synchronize with NTP server and check date:
ntpq -p
date -R
Synchronize with the special server:
ntpdate -q ntp-server.url
Complete flow in one string:yum install -y ntp; firewall-cmd --add-service=ntp --permanent; firewall-cmd --reload; systemctl start ntpd; systemctl enable ntpd; systemctl status ntpd; ntpq -p; date -R