centos时间同步
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