centos时间服务器搭建方法

yum install -y ntpdate
yum install ntp -y
systemctl start ntpd.service
systemctl enable ntpd.service

[root@localhost ~]# vim /etc/ntp.conf 
# vim /etc/ntp.conf
restrict 192.168.1.0 mask 255.255.255.0   #添加此行允许1网段设备同步时间

systemctl restart ntpd

Ubuntu时间服务器搭建方法

sudo apt-get install ntp
sudo vi /etc/ntp.conf

restrict 192.168.1.0 mask 255.255.255.0   #添加此行允许1网段设备同步时间
重启ntp服务
sudo systemctl restart ntp
查看ntp服务状态
sudo systemctl status ntp
设置开机启动
sudo systemctl enable ntp