下載安裝介質
ntp-4.2.6p5-29.el7.centos.2.x86_64.rpm
ntpdate-4.2.6p5-29.el7.centos.2.x86_64.rpm
開始安裝
rpm -ivh ntpdate-4.2.6p5-29.el7.centos.2.x86_64.rpm
rpm -ivh ntp-4.2.6p5-29.el7.centos.2.x86_64.rpm
設置配置
vim /etc/ntp.conf
systemctl restart ntpd
systemctl enable ntpd
systemctl status ntpd
查看同步情況
ntpq -pn