20.4. 时间服务器-chrony

20.4.1. 服务端配置

[root@centos-151 ~]# yum install chrony
# 添加如下1行
server s1b.time.edu.cn       iburst
# 解注释并修改如下2行
allow 192.168.46.0/24
local stratum 10
[root@centos-151 ~]# systemctl restart chronyd
[root@centos-151 ~]# netstat -tunlp |grep ch
udp        0      0 0.0.0.0:123             0.0.0.0:*                           21886/chronyd
udp        0      0 127.0.0.1:323           0.0.0.0:*                           21886/chronyd
udp6       0      0 ::1:323                 :::*                                21886/chronyd

20.4.2. 客户端配置

[root@centos-158 ~]# yum install chrony
[root@centos-158 ~]# vim /etc/chrony.conf
# 添加行
server 192.168.46.151 iburst
# 删除其它server 行

[root@centos-158 ~]# systemctl restart chronyd

20.4.3. 客户端测试

[root@centos-158 ~]# chronyc  sources  -V
210 Number of sources = 1
MS Name/IP address         Stratum Poll Reach LastRx Last sample
===============================================================================
^? 192.168.46.151                0   8     0     -     +0ns[   +0ns] +/-    0ns
[root@centos-158 ~]# date
Mon Mar  5 09:59:02 CST 2018