yum install -y chrony
yum install -y vim
vim /etc/chrony.conf
chronyd -q 'server ntp.ntsc.ac.cn iburst'
systemctl enable chronyd
systemctl start chronyd
chronyc sources
或者
rpm -ivh http://mirrors.wlnmp.com/centos/wlnmp-release-centos.noarch.rpm
安装ntp服务
yum install wntp
时间同步
ntpdate ntp1.aliyun.com
timedatectl set-timezone UTC