自定义服务器配置
[root@localhost ~]# hostname server
[root@localhost ~]# bash
关闭防火墙
[root@server ~]# systemctl stop firewalld
[root@server ~]# setenforce 0
进入配置文件更改相关配置
进入配置文件 vim /etc/chrony.conf
重启chrony服务
[root@server ~]# systemctl restart chronyd
客户端配置
[root@localhost ~]# hostname client
[root@localhost ~]# bash
[root@client ~]# vim /etc/chrony.conf

重启服务
[root@client ~]# systemctl restart chronyd
查询服务器
[root@client ~]# chronyc sources
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 192.168.158.128 3 6 37 25 +9399ns[+1008us] +/- 23ms