server:
1. yum -y remove ntpdate && yum install ntp -y
2. vim /etc/ntp.conf
3. systemctl restart ntpd
4. ntpstat && ntpq -pn
client 操作
ntpdate 192.168.100.208
linux同步修正时间
原文:https://www.cnblogs.com/learnnote/p/15222366.html