服务端

关闭防火墙和selinux

修改配置文件/etc/chrony.conf,其中10.233.80.0/16是内网网段

server ntp1.aliyun.com iburst
server time1.aliyun.com iburst
driftfile /var/lib/chrony/drift
makestep 1.0 3
rtcsync
allow 10.233.80.0/16
keyfile /etc/chrony.keys
logdir /var/log/chrony

重启chrony

systemctl restart chronyd.service

验证

chronyc sources

客户端

关闭防火墙和selinux

安装chrony

yum install chrony

修改配置文件/etc/chrony.conf,其中10.233.80.254是服务端ip

server 10.233.80.254 iburst
driftfile /var/lib/chrony/drift
makestep 1.0 3
rtcsync
keyfile /etc/chrony.keys
logdir /var/log/chrony

重启chrony

systemctl restart chronyd.service

验证

chronyc sources